European Journal of Molecular & Clinical Medicine

Objective: This study focused on the evaluation of the knowledge and x-rays of specific dental professionals with highlight in view of education on these regularradiographic practices.
Materials and methods: A poll was conveyed among 500 dentists of Odisha, India, which were based demographic details including the use of radiographic intraoperative devices.
Results: All private experts were utilizing conventional X-ray machines. 85% said that dental X- ray beams were hurtful. 92% knew about NCRP/ICRP , 71% aware of ALARA principle, while just 56% knew about AERB rules. Yet, certain radiation protective estimates like utilizing lead apron, lead barriers and position distance rule were not followed by the greater part of the private specialists.
Conclusions: The current study shows that majority of dentists in Odisha didn’t practice rehearse Methods for radiation safety to restrict patients' excessive contact to radiation. To improve the overall dentists' radioactive knowledge-dose control procedure, efforts must be made and technical education.

Aim:The aim of the study is to evaluate radiographically the development of mandibular 1st molar development based on nollas stage of tooth development in 3-6 year old female children.
Materials And Methods: The study includes 8 female children of age 3-6 years. The data was collected from patients records and the data was analysed betweenjune 2019 and march 2020, Saveetha Dental College And Hospital,Chennai. Data was recorded by evaluating IOPA and OPG of 36 and 46. After the evaluation based on nollas stages the values were tabulated and documented. The data was then transferred to SPSS software and chi square test was performed to evaluate the significance.
Results: In this study molar development in 3-6 years female children was maximum at the age of 6 years. Lower left molar showed a faster rate of development. When dental age is compared to the nollas stage maximum maturation was present at stage 9 of nollas stage of tooth development.
Conclusion: From the study we can conclude that Nollas method can be used to assess the dental maturity. It can be used as an adjunct to the radiological examination for calcification of teeth.