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Arun Kumar PhD is an Associate Professor in Jefferson College of Health Professions his research is focused on nanomedicine, tissue engineering and regenerative medicine. He has filed over 30 patents and published over 50 research articles. Dr. Kumar has presented his work over 60 conferences worldwide and served on panels in the National Science Foundations and Congressionally directed medical research program. Dr. Kumar is chief editor of the book Nanomedicine in Drug Delivery published in June 5, 2013 by CRC Press CRS press.
Objectives: To determine the maximal mouth opening (MMO) in children aged 3 to 12 years from Indian population and to examine the possible influence of age, gender, height and body weight on MMO. Study Design: Assessment of MMO is accomplished with a modified Vernier Caliper by measuring the distance between the incisal edge of upper and lower incisor during maximal mouth opening upto the painless limit. Participants of the study were healthy children selected among regular students from local schools. Age, gender, height and body weight of each child were also recorded at the same time. Results: The results of the present study revealed that MMO in Indian children were 41.61 mm, 44.9 mm and 46.81 mm for boys and 40.09 mm, 44.22 mm and 46.2 mm for girls at age of 3,4 and 5 years respectively. The MMO in Indian children were 46.04 mm, 48.53 mm and 52.38 mm for boys and 45.95 mm, 47.27 mm and 52.05 mm for girls at age groups of 6-8, 8-10 and 10-12 years respectively. Furthermore, significant associations were noted in between age, height, body weight and MMO. However, no gender difference was observed. Conclusion: A definite relationships exist between MMO, age, height and body weight in Indian children with primary dentition.