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Paper Information

Journal:   IRANIAN ENDODONTIC JOURNAL (IEJ)   2013 , Volume 8 , Number 3; Page(s) 99 To 102.
 
Paper: 

THE PREVALENCE OF BILATERAL THREE-ROOTED MANDIBULAR FIRST MOLAR IN INDIAN POPULATION

 
 
Author(s):  KARALE RUPALI*, CHIKKAMALLAIAH CHAMPA, HEGDE JAYSHREE, ASWATHANARAYANA SRIREKHA, SANTHOSH LEKHA, BASHETTY KUSUM, SUSHEELA SHWETHA RAJANNA, PANCHAJANYA SRINIVAS
 
* DEPARTMENT OF CONSERVATIVE DENTISTRY AND ENDODONTICS, OXFORD DENTAL COLLEGE, BOMMAHALLI, BANGALORE INDIA
 
Abstract: 

Introduction: The purpose of the present study was to evaluate the prevalence of bilateral three-rooted mandibular first and second molars in Indian population.
Materials and Methods: A total of 215 patients were screened bilaterally for mandibular first and second molar and 430 samples of periapical radiographs were obtained. The gender, symmetry, and prevalence of three-rooted mandibular first and second molars were recorded. The correlation between left and right side occurrences and distribution were recorded and analysed using Ztest.
Results: The results showed that 33 teeth had three-rooted mandibular first molars, 16 male and 17 female (P=0.442). Overall, 21 teeth of right jaw and 12 teeth of left jaw (P=0.103) showed presence of an extra-root. The prevalence of three-rooted mandibular first molars was 7.67% and second molar was 0.23%. The bilateral frequency distribution was 3.72% for the first molar. There was no statistically significant difference between right side and left side mandibular molars. Also, gender did not show a significant relationship with this variant.
Conclusion: The endodontic treatments of first mandibular molars require a careful clinical approach in Indian population as a high racial prevalence of 7.67% three-rooted molars was found. However, in the same population, 0.23% mandibular second molars had three roots.

 
Keyword(s): ENDODONTIC, MANDIBULAR, MOLARS, ROOT CANAL, THREE-ROOTED
 
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