2020 IEEE International Symposium on Sustainable Energy, Signal Processing and Cyber Security (iSSSC)
Mobile Ad hoc Networks (MANETs) are recently used in dynamic network infrastructures that are req... more Mobile Ad hoc Networks (MANETs) are recently used in dynamic network infrastructures that are required or wireless ad hoc connection might be required. The antennas are catching the signals of other devices and also recognize the signals in the form of request, reply acknowledgment, and many more. Routing mechanisms are selected routes using minimum cost route selection and standing routing schemes depend on network condition to keep the ratio of profitably delivering packets and better network performance. The priority in communication in antennas improves the efficiency of communication of mobile nodes. In this research, proposes a Multi-Channel Multi-Priority Low Delay (MMLD) scheme for the All-to-All Broadcast mechanism with directional antennas in MANET. The role of All-to-All broadcast is to flooding the control information in the network. If the total load is implicit as constant and suppose the communication hardware are more advanced then sensors, lighter and other peripherals can be deployed for communication. There is no doubt the performance of antenna communication is better and reduces overhead but if the direction of communication is not known or finding the direction by flooding then the proposed MMLD is providing the reliable communication. The proposed communication between the nodes is possible to handle by multiple channels and providing the priority for communication. Besides, performance can auxiliary be better as compared to the CLDA scheme in MANET. The performance of the proposed approach and the previous approach is measured through performance metrics.
Abstract The effect of Cu and Ni supported over mesoporous alumina catalyst was investigated for ... more Abstract The effect of Cu and Ni supported over mesoporous alumina catalyst was investigated for hydrogenolysis of glycerol in the aqueous phase to produce 1, 2-Propanediol (1, 2-PD). Nanocrystalline Cu and Ni supported catalysts were prepared by the hydrothermal method, and were characterized by XRD, SEM, TEM, BET, ICP-AES, TPR, and XPS. The effect of reaction parameters like temperature, pressure, and time were studied in detail. In this work, it was found that the Cu-nanoparticles are the critical factor for the selective production of 1, 2-PD. Mesoporous alumina support played an important role for the Cu and Ni oxide particles. The acid and metal function both played an important role in getting higher selectivity of 1, 2-PD. The reaction condition of 200 °C, 50 bar, and catalyst to feed ratio of 0.1 displayed the best performance using NiCuAl-1 (5%Ni, 62%Cu, and 33%Al) catalyst with glycerol conversion of 67.1% and 1, 2-PD selectivity of 90.1%. The catalyst was recycled five times for checking its catalytic behavior on the conversion and selectivity, and it was found that the catalyst did not change its activity during the recycle test, confirming the true heterogeneous nature of the catalyst.
The use of plant based drugs and chemicals for curing various ailments and personal adornment is ... more The use of plant based drugs and chemicals for curing various ailments and personal adornment is as old as human civilization. Plants and plant-based medicaments are the basis of many of the modern pharmaceuticals we use today for our various ailments. Methanolic extracts of dried leaves of Ocimum sanctum, Azadirachta indica and Phyllanthus emblica were used for the comparative study of phytochemical constituents. A qualitative phytochemical analysis was performed for the detection of alkaloids, glycosides, saponins, steroids, flavonoids, tannins and reducing sugar. The highest yield of methanolic extract was found in Azadirachta indica (29.08%). Ocimum sanctum contained all the chemicals except flavonoids and reducing sugar, however, the Colquhounia coccinea lacked alkaloids and reducing sugar.
Crude oil market is an immensely complex and dynamic environment and thus the task of predicting ... more Crude oil market is an immensely complex and dynamic environment and thus the task of predicting changes in such an environment becomes challenging with regards to its accuracy. A number of approaches have been adopted to take on that challenge and machine learning has been at the core in many of them. There are plenty of examples of algorithms based on machine learning yielding satisfactory results for such type of prediction. In this paper, we have tried to predict crude oil prices using Long Short-Term Memory (LSTM) based recurrent neural networks. We have tried to experiment with different types of models using different epochs, lookbacks and other tuning methods. The results obtained are promising and presented a reasonably accurate prediction for the price of crude oil in near future.
Previous Web access authentication systems often use either the Web or the Mobile channel individ... more Previous Web access authentication systems often use either the Web or the Mobile channel individually to confirm the claimed identity of the remote user. This paper proposes a new protocol using multifactor authentication system that is both secure and highly usable. It uses a novel approach based on Transaction Identification Code and SMS to enforce extra security level with the traditional Login/password system. The system provides a highly secure environment that is simple to use and deploy, that does not require any change in infrastructure or protocol of wireless networks. This Protocol for Wireless Payment is extended to provide two way authentications.
Direct current motor is an important drive configuration for many applications across a wide rang... more Direct current motor is an important drive configuration for many applications across a wide range of powers and speed. It have variable characteristics and used extensively in variable-speed drives in any or both direction i.e. clockwise and anti-clockwise. The goal of this project is to make a sustainable modification to the garage door in order to reduce the human effort while their opening and closing and also to increase the safety of the garages. This modification is not limited to only garage door but it can be applied to several doors which are of the sliding and rolling nature. After this modification the doors can be opened can closed at the swipe of a card or a finger print scanning. With the application of this modification the doors are tend to be more secure and in case of any chances of robbery the proper installed alarm can be triggered through an electrical impulse sent over to installed alarm at the nearest security station. This modification is not only sustainabl...
The present investigation was carried out on research farm of College of Horticulture, Mandsaur, ... more The present investigation was carried out on research farm of College of Horticulture, Mandsaur, Madhya Pradesh during 2015-16 and 2016-2017. The Full bloom in crop was observed on 20th April in NA-7. The days from full bloom to harvest for the sampling durations of fruits in the cultivar NA-7 ranged between 178 to 238 days. Total sixteen different combination of byleton, Bavisten, Planofix and nimbicidine were applied on fruits of aonla during their fruit development stages for the post harvest life of fruits. Fresh fruits of each cultivar from all sampling dates were stored at ambient temperature and observations were recorded at weekly interval. A progressive and significant increase in the physiological weight loss of fruits was observed in all the treatments with an increase in storage duration up to 28 days. The most effective treatments in reducing PWL was observed with application of 1.5 per cent calcium nitrate. A gradual decrease in moisture content was observed till end o...
International Journal of Scientific & Technology Research, 2013
Transient stability analysis is today's one of the major issues for proper operation of the p... more Transient stability analysis is today's one of the major issues for proper operation of the power systems as the stress on power systems is increasing day by day. In order to improve the power system, it requires an evaluation of system's ability to withstand the disturbances simultaneously maintaining the service quality. For transient stability analysis of power system, various techniques have already been proposed such as extended equal area criteria, the time domain solution and a few direct stability methods such as transient energy function. In most of these methods, a transformation is done from multi-machine system to an equivalent machine as well as an infinite bus system. An analysis of transient stability for the power system using an individual machine is done with the help of an accurate algorithm is done in this paper. This paper describes the fault conditions in the infinite bus bar with the multi-machine system.
Arthroscopy of the temporomandibular joint (TMJ) has shown a tremendous evolution in the recent p... more Arthroscopy of the temporomandibular joint (TMJ) has shown a tremendous evolution in the recent past with basic and advanced arthroscopy being practiced. With minimal instrumentation, basic arthroscopy invovlving joint lavage and lysis may be carried out by the surgeons who are proficient with intraarticular arthroscopic anatomy. This chapter edifies the technique and requirements to perform a successful TMJ arthroscopy for basic diagnostic and therapeutic purpose.
Potential energy surfaces (PESs) play an indispensable role in molecular dynamics, but are notori... more Potential energy surfaces (PESs) play an indispensable role in molecular dynamics, but are notoriously difficult to flesh out properly in large-dimensional spaces. In particular, the undetected presence of PES holes-i.e., unphysical saddle points beyond which the potential energy drops arbitrarily-can have devastating effects on both classical and quantum dynamics calculations. In this study, the Crystal algorithm is developed as a tool for efficiently and accurately finding PES holes, as well as legitimate saddle points, even in very large-dimensional configuration spaces. The approach is applied to three large-dimensional PESs for molecular systems of current interest: uracil, naphthalene, and formic acid dimer. Low-lying PES holes are discovered and located for the first two systems-including naphthalene, for which no holes were previously suspected, to our knowledge. Likewise, the double-well, double-proton-transfer isomerization saddle point for formic acid dimer is also located.
We have developed an algorithm to detect holes in multi-dimensional real-valued surfaces-such as ... more We have developed an algorithm to detect holes in multi-dimensional real-valued surfaces-such as the potential energy surfaces (PESs) that describe the nuclear motion of molecules in the context of the Born-Oppenheimer approximation. For our purposes, a PES "hole" is defined as an unphysical saddle point, beyond which the potential energy drops (typically) without limit to negative infinity. PES holes are numerical artifacts that can arise when fitting PES functional forms to discrete ab initio data-even when the data is of high quality, and/or for comparatively few degrees of freedom (DOF). Often undetected, PES holes can have devastating effects on subsequent dynamical calculations, especially if they occur at low energies. In this paper, we present a highly efficient algorithm designed to systematically identify hole configurations and energies. The method is applied to a variety of molecular PESs ranging up to 30 DOF. A number of evidently previously undetected PES holes are reported here-surprisingly, even for PESs that have been available for decades. The code itself (Crystal) is presented together with a user manual. These tools may be of great benefit for PES developers, who can use the information they provide to fix holes, once identified. More generally, the methodology can be applied in any context involving multi-dimensional surfaces.
Various osteotomy modalities seem to have an impact on the primary and secondary stability of the... more Various osteotomy modalities seem to have an impact on the primary and secondary stability of the dental implant. The available literature lacks the comparison of various available osteotomy modalities used for the dental implant placement and its effects on the initial surgical bone removal. The purpose of this study is to compare and evaluate the osteotomy sites created using standard drill, bone trephine, and alveolar expanders for dental implant surgery. The study was done on ten goat hemimandibles. Three osteotomy sites were prepared at the inferior border of the mandible using standard drill, trephine, and alveolar expander in each hemimandibles and the sites were subjected to cone-beam computed tomography (CBCT). The CBCT images obtained were compared for the amount of cortical bone and bone marrow loss at osteotomy sites in different techniques. The mean and standard deviation of loss of cortical bone with standard drills, trephines, and alveolar expanders was 3.62 ± 4.216 ×...
The aim of the study is to compare the post reduction squealae of transmucosal miniplate fixation... more The aim of the study is to compare the post reduction squealae of transmucosal miniplate fixation technique for stabilization of palatal fractures with intraarch wiring technique. Materials and Method This study was prospectively undertaken on 16 patients, dividing them into two treatment arms based on random sampling methodology (Group A & B). For patients in Group A, intra-arch wire stabilization technique and in Group B trans-mucosal miniplate stabilization technique was used. The pre-operative and post-operative occlusion and time taken for stabilization in both the techniques was compared. Results The mean time taken for reduction and stabilization of palatal fracture in group A was 10.9 ± 2.21 min and in group B was 14.2 ± 1.13 min. Four out of eight study patients in group A required post reduction interception to stabilize occlusion postoperatively, whereas none of the patients in group B needed any post operative intervention. Conclusion The post operative occlusal stability was found better in study patients included in group B when compared to group A patients, although satisfactory post-operative occlusion was obtained even in group A with post-operative interception for occlusal stability.
To determine systemic absorption of dexamethasone by detection of plasma concentration using high... more To determine systemic absorption of dexamethasone by detection of plasma concentration using high performance liquid chromatography following its administration along with local anesthetic agent as a mixture via pterygomandibular space. A prospective randomized double-blind clinical study was undertaken to analyze the plasma concentration of dexamethasone after intra-space pterygomandibular injection along with local anesthesia. The study was performed as per split mouth model where the mandibular quadrant allocation was done on a random basis considering each of the 30 patients is included in the two study interventions (SS and CS). For the study site (SS) procedures, dexamethasone was administered as a mixture (2 % lignocaine with 1:200,000 epinephrine and 4 mg dexamethasone) intra-space. In the control site (CS) procedures, a regular standard inferior alveolar nerve block was administered, and dexamethasone was given as intramuscular injection. The plasma dexamethasone determination was done in venous blood 30- and 60-min post injection using high performance liquid chromatography (HPLC). The clinical parameters like pain; swelling; and mouth opening on the first, third, and seventh post-operative day were analyzed and compared. No significant difference was found in the clinical parameters assessed; comparative evaluation showed less swelling in the SS interventions. The plasma concentration of dexamethasone for the CS interventions was 226 ± 47 ng/ml at 30-min and 316 ± 81.6 ng/ml at 60-min post injection, and for SS, it was 221 ± 81.6 ng/ml at 30-min and 340 ± 105 ng/ml at 60-min post injection. On inter-site (CS and SS) comparison, no statistically significant difference was ascertained in dexamethasone plasma concentration at 30-min post injection (P = 0.77) and at 60-min post injection. (P = 0.32). Intra-space (pterygomandibular space) administration of dexamethasone can achieve statistically similar plasma concentration of the drug as when the same dose is administered intramuscularly with demonstration of similar clinical effects.
Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons, Jan 27, 2015
Placental extract has been used as a therapeutic agent with application in various fields of medi... more Placental extract has been used as a therapeutic agent with application in various fields of medicine. Placental extract is well known for its effects on wound healing with anti-inflammatory, antiplatelet, and angiogenic effects and is also a biogenic modulator. The present study evaluated the effect of placental extract on wound healing, mouth opening, and postoperative patient discomfort in patients with oral submucous fibrosis treated with fibrotomy with buccal fat pad coverage and coronoidectomy. Ten subjects with oral submucous fibrosis who presented with mouth opening less than 20 mm were enrolled in the present prospective randomized controlled trial to assess the effects of placental extract on the fibrotomy wound covered with a pedicled buccal pad fat (5 patients allocated to the study group, group S and 5 to the control group, group C). The following criteria were used to analyze the postoperative effect of placental extract on fibrotomy wounds compared with that of the co...
2020 IEEE International Symposium on Sustainable Energy, Signal Processing and Cyber Security (iSSSC)
Mobile Ad hoc Networks (MANETs) are recently used in dynamic network infrastructures that are req... more Mobile Ad hoc Networks (MANETs) are recently used in dynamic network infrastructures that are required or wireless ad hoc connection might be required. The antennas are catching the signals of other devices and also recognize the signals in the form of request, reply acknowledgment, and many more. Routing mechanisms are selected routes using minimum cost route selection and standing routing schemes depend on network condition to keep the ratio of profitably delivering packets and better network performance. The priority in communication in antennas improves the efficiency of communication of mobile nodes. In this research, proposes a Multi-Channel Multi-Priority Low Delay (MMLD) scheme for the All-to-All Broadcast mechanism with directional antennas in MANET. The role of All-to-All broadcast is to flooding the control information in the network. If the total load is implicit as constant and suppose the communication hardware are more advanced then sensors, lighter and other peripherals can be deployed for communication. There is no doubt the performance of antenna communication is better and reduces overhead but if the direction of communication is not known or finding the direction by flooding then the proposed MMLD is providing the reliable communication. The proposed communication between the nodes is possible to handle by multiple channels and providing the priority for communication. Besides, performance can auxiliary be better as compared to the CLDA scheme in MANET. The performance of the proposed approach and the previous approach is measured through performance metrics.
Abstract The effect of Cu and Ni supported over mesoporous alumina catalyst was investigated for ... more Abstract The effect of Cu and Ni supported over mesoporous alumina catalyst was investigated for hydrogenolysis of glycerol in the aqueous phase to produce 1, 2-Propanediol (1, 2-PD). Nanocrystalline Cu and Ni supported catalysts were prepared by the hydrothermal method, and were characterized by XRD, SEM, TEM, BET, ICP-AES, TPR, and XPS. The effect of reaction parameters like temperature, pressure, and time were studied in detail. In this work, it was found that the Cu-nanoparticles are the critical factor for the selective production of 1, 2-PD. Mesoporous alumina support played an important role for the Cu and Ni oxide particles. The acid and metal function both played an important role in getting higher selectivity of 1, 2-PD. The reaction condition of 200 °C, 50 bar, and catalyst to feed ratio of 0.1 displayed the best performance using NiCuAl-1 (5%Ni, 62%Cu, and 33%Al) catalyst with glycerol conversion of 67.1% and 1, 2-PD selectivity of 90.1%. The catalyst was recycled five times for checking its catalytic behavior on the conversion and selectivity, and it was found that the catalyst did not change its activity during the recycle test, confirming the true heterogeneous nature of the catalyst.
The use of plant based drugs and chemicals for curing various ailments and personal adornment is ... more The use of plant based drugs and chemicals for curing various ailments and personal adornment is as old as human civilization. Plants and plant-based medicaments are the basis of many of the modern pharmaceuticals we use today for our various ailments. Methanolic extracts of dried leaves of Ocimum sanctum, Azadirachta indica and Phyllanthus emblica were used for the comparative study of phytochemical constituents. A qualitative phytochemical analysis was performed for the detection of alkaloids, glycosides, saponins, steroids, flavonoids, tannins and reducing sugar. The highest yield of methanolic extract was found in Azadirachta indica (29.08%). Ocimum sanctum contained all the chemicals except flavonoids and reducing sugar, however, the Colquhounia coccinea lacked alkaloids and reducing sugar.
Crude oil market is an immensely complex and dynamic environment and thus the task of predicting ... more Crude oil market is an immensely complex and dynamic environment and thus the task of predicting changes in such an environment becomes challenging with regards to its accuracy. A number of approaches have been adopted to take on that challenge and machine learning has been at the core in many of them. There are plenty of examples of algorithms based on machine learning yielding satisfactory results for such type of prediction. In this paper, we have tried to predict crude oil prices using Long Short-Term Memory (LSTM) based recurrent neural networks. We have tried to experiment with different types of models using different epochs, lookbacks and other tuning methods. The results obtained are promising and presented a reasonably accurate prediction for the price of crude oil in near future.
Previous Web access authentication systems often use either the Web or the Mobile channel individ... more Previous Web access authentication systems often use either the Web or the Mobile channel individually to confirm the claimed identity of the remote user. This paper proposes a new protocol using multifactor authentication system that is both secure and highly usable. It uses a novel approach based on Transaction Identification Code and SMS to enforce extra security level with the traditional Login/password system. The system provides a highly secure environment that is simple to use and deploy, that does not require any change in infrastructure or protocol of wireless networks. This Protocol for Wireless Payment is extended to provide two way authentications.
Direct current motor is an important drive configuration for many applications across a wide rang... more Direct current motor is an important drive configuration for many applications across a wide range of powers and speed. It have variable characteristics and used extensively in variable-speed drives in any or both direction i.e. clockwise and anti-clockwise. The goal of this project is to make a sustainable modification to the garage door in order to reduce the human effort while their opening and closing and also to increase the safety of the garages. This modification is not limited to only garage door but it can be applied to several doors which are of the sliding and rolling nature. After this modification the doors can be opened can closed at the swipe of a card or a finger print scanning. With the application of this modification the doors are tend to be more secure and in case of any chances of robbery the proper installed alarm can be triggered through an electrical impulse sent over to installed alarm at the nearest security station. This modification is not only sustainabl...
The present investigation was carried out on research farm of College of Horticulture, Mandsaur, ... more The present investigation was carried out on research farm of College of Horticulture, Mandsaur, Madhya Pradesh during 2015-16 and 2016-2017. The Full bloom in crop was observed on 20th April in NA-7. The days from full bloom to harvest for the sampling durations of fruits in the cultivar NA-7 ranged between 178 to 238 days. Total sixteen different combination of byleton, Bavisten, Planofix and nimbicidine were applied on fruits of aonla during their fruit development stages for the post harvest life of fruits. Fresh fruits of each cultivar from all sampling dates were stored at ambient temperature and observations were recorded at weekly interval. A progressive and significant increase in the physiological weight loss of fruits was observed in all the treatments with an increase in storage duration up to 28 days. The most effective treatments in reducing PWL was observed with application of 1.5 per cent calcium nitrate. A gradual decrease in moisture content was observed till end o...
International Journal of Scientific & Technology Research, 2013
Transient stability analysis is today's one of the major issues for proper operation of the p... more Transient stability analysis is today's one of the major issues for proper operation of the power systems as the stress on power systems is increasing day by day. In order to improve the power system, it requires an evaluation of system's ability to withstand the disturbances simultaneously maintaining the service quality. For transient stability analysis of power system, various techniques have already been proposed such as extended equal area criteria, the time domain solution and a few direct stability methods such as transient energy function. In most of these methods, a transformation is done from multi-machine system to an equivalent machine as well as an infinite bus system. An analysis of transient stability for the power system using an individual machine is done with the help of an accurate algorithm is done in this paper. This paper describes the fault conditions in the infinite bus bar with the multi-machine system.
Arthroscopy of the temporomandibular joint (TMJ) has shown a tremendous evolution in the recent p... more Arthroscopy of the temporomandibular joint (TMJ) has shown a tremendous evolution in the recent past with basic and advanced arthroscopy being practiced. With minimal instrumentation, basic arthroscopy invovlving joint lavage and lysis may be carried out by the surgeons who are proficient with intraarticular arthroscopic anatomy. This chapter edifies the technique and requirements to perform a successful TMJ arthroscopy for basic diagnostic and therapeutic purpose.
Potential energy surfaces (PESs) play an indispensable role in molecular dynamics, but are notori... more Potential energy surfaces (PESs) play an indispensable role in molecular dynamics, but are notoriously difficult to flesh out properly in large-dimensional spaces. In particular, the undetected presence of PES holes-i.e., unphysical saddle points beyond which the potential energy drops arbitrarily-can have devastating effects on both classical and quantum dynamics calculations. In this study, the Crystal algorithm is developed as a tool for efficiently and accurately finding PES holes, as well as legitimate saddle points, even in very large-dimensional configuration spaces. The approach is applied to three large-dimensional PESs for molecular systems of current interest: uracil, naphthalene, and formic acid dimer. Low-lying PES holes are discovered and located for the first two systems-including naphthalene, for which no holes were previously suspected, to our knowledge. Likewise, the double-well, double-proton-transfer isomerization saddle point for formic acid dimer is also located.
We have developed an algorithm to detect holes in multi-dimensional real-valued surfaces-such as ... more We have developed an algorithm to detect holes in multi-dimensional real-valued surfaces-such as the potential energy surfaces (PESs) that describe the nuclear motion of molecules in the context of the Born-Oppenheimer approximation. For our purposes, a PES "hole" is defined as an unphysical saddle point, beyond which the potential energy drops (typically) without limit to negative infinity. PES holes are numerical artifacts that can arise when fitting PES functional forms to discrete ab initio data-even when the data is of high quality, and/or for comparatively few degrees of freedom (DOF). Often undetected, PES holes can have devastating effects on subsequent dynamical calculations, especially if they occur at low energies. In this paper, we present a highly efficient algorithm designed to systematically identify hole configurations and energies. The method is applied to a variety of molecular PESs ranging up to 30 DOF. A number of evidently previously undetected PES holes are reported here-surprisingly, even for PESs that have been available for decades. The code itself (Crystal) is presented together with a user manual. These tools may be of great benefit for PES developers, who can use the information they provide to fix holes, once identified. More generally, the methodology can be applied in any context involving multi-dimensional surfaces.
Various osteotomy modalities seem to have an impact on the primary and secondary stability of the... more Various osteotomy modalities seem to have an impact on the primary and secondary stability of the dental implant. The available literature lacks the comparison of various available osteotomy modalities used for the dental implant placement and its effects on the initial surgical bone removal. The purpose of this study is to compare and evaluate the osteotomy sites created using standard drill, bone trephine, and alveolar expanders for dental implant surgery. The study was done on ten goat hemimandibles. Three osteotomy sites were prepared at the inferior border of the mandible using standard drill, trephine, and alveolar expander in each hemimandibles and the sites were subjected to cone-beam computed tomography (CBCT). The CBCT images obtained were compared for the amount of cortical bone and bone marrow loss at osteotomy sites in different techniques. The mean and standard deviation of loss of cortical bone with standard drills, trephines, and alveolar expanders was 3.62 ± 4.216 ×...
The aim of the study is to compare the post reduction squealae of transmucosal miniplate fixation... more The aim of the study is to compare the post reduction squealae of transmucosal miniplate fixation technique for stabilization of palatal fractures with intraarch wiring technique. Materials and Method This study was prospectively undertaken on 16 patients, dividing them into two treatment arms based on random sampling methodology (Group A & B). For patients in Group A, intra-arch wire stabilization technique and in Group B trans-mucosal miniplate stabilization technique was used. The pre-operative and post-operative occlusion and time taken for stabilization in both the techniques was compared. Results The mean time taken for reduction and stabilization of palatal fracture in group A was 10.9 ± 2.21 min and in group B was 14.2 ± 1.13 min. Four out of eight study patients in group A required post reduction interception to stabilize occlusion postoperatively, whereas none of the patients in group B needed any post operative intervention. Conclusion The post operative occlusal stability was found better in study patients included in group B when compared to group A patients, although satisfactory post-operative occlusion was obtained even in group A with post-operative interception for occlusal stability.
To determine systemic absorption of dexamethasone by detection of plasma concentration using high... more To determine systemic absorption of dexamethasone by detection of plasma concentration using high performance liquid chromatography following its administration along with local anesthetic agent as a mixture via pterygomandibular space. A prospective randomized double-blind clinical study was undertaken to analyze the plasma concentration of dexamethasone after intra-space pterygomandibular injection along with local anesthesia. The study was performed as per split mouth model where the mandibular quadrant allocation was done on a random basis considering each of the 30 patients is included in the two study interventions (SS and CS). For the study site (SS) procedures, dexamethasone was administered as a mixture (2 % lignocaine with 1:200,000 epinephrine and 4 mg dexamethasone) intra-space. In the control site (CS) procedures, a regular standard inferior alveolar nerve block was administered, and dexamethasone was given as intramuscular injection. The plasma dexamethasone determination was done in venous blood 30- and 60-min post injection using high performance liquid chromatography (HPLC). The clinical parameters like pain; swelling; and mouth opening on the first, third, and seventh post-operative day were analyzed and compared. No significant difference was found in the clinical parameters assessed; comparative evaluation showed less swelling in the SS interventions. The plasma concentration of dexamethasone for the CS interventions was 226 ± 47 ng/ml at 30-min and 316 ± 81.6 ng/ml at 60-min post injection, and for SS, it was 221 ± 81.6 ng/ml at 30-min and 340 ± 105 ng/ml at 60-min post injection. On inter-site (CS and SS) comparison, no statistically significant difference was ascertained in dexamethasone plasma concentration at 30-min post injection (P = 0.77) and at 60-min post injection. (P = 0.32). Intra-space (pterygomandibular space) administration of dexamethasone can achieve statistically similar plasma concentration of the drug as when the same dose is administered intramuscularly with demonstration of similar clinical effects.
Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons, Jan 27, 2015
Placental extract has been used as a therapeutic agent with application in various fields of medi... more Placental extract has been used as a therapeutic agent with application in various fields of medicine. Placental extract is well known for its effects on wound healing with anti-inflammatory, antiplatelet, and angiogenic effects and is also a biogenic modulator. The present study evaluated the effect of placental extract on wound healing, mouth opening, and postoperative patient discomfort in patients with oral submucous fibrosis treated with fibrotomy with buccal fat pad coverage and coronoidectomy. Ten subjects with oral submucous fibrosis who presented with mouth opening less than 20 mm were enrolled in the present prospective randomized controlled trial to assess the effects of placental extract on the fibrotomy wound covered with a pedicled buccal pad fat (5 patients allocated to the study group, group S and 5 to the control group, group C). The following criteria were used to analyze the postoperative effect of placental extract on fibrotomy wounds compared with that of the co...
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