Evaluation Of Permanent Mandibular Right Molar(48) Using Nolla's Method In Indian Population-A Cross Sectional Study

Abstract

Introduction: Dental age can be assessed by observing the degree of calcification of the teeth on radiographs.Tooth calcification is more dependable markers of dental maturity than tooth eruption since its influenced by nearby components such as primary teeth, lack of space,malnutrition,dental decay,ankylosis,orthodontic modalities in expansion to be beneath hereditary control

Aim​: The aim of this study is to evaluate the permanent lower right molar(48) tooth development based on nollas stage of tooth development in 10 to 20 year old male’s and female’s.​

Materials And Methods​: A total of 100 digitized Panoramic images were collected.From the database record of Saveetha Dental college 50 OPGs each were selected based on the age group between 10 to 20 years for both male and female. Dental age of developing permanent mandibular right molar was calculated based on the nollas method after data collection statistical analysis and chi square analysis was done in SPSS software.​Using SPSS Version 20.0 Categorical variables were expressed in terms of frequency and percentage and bar graphs were plotted. The statistical significance of the associations were tested using the chi square test.

Results​: The results of the study showed permanent molar development in both female and male is seen most commonly at the age of 15 years and it showed faster maturity rate at stage 3 and with the least at stage 6 and the correlation between gender and nollas stage p value 0.637 which is insignificant.

Conclusion​: To validate the results of the study it should be carried out further on a large sample size and is different age groups.