Study of pattern and prevalence of mandibular impacted third molar among Delhi-National Capital Region population with newer proposed classification of mandibular impacted third molar: A retrospective study

Deepak Passi; Geeta Singh; Shubharanjan Dutta; Dhirendra Srivastava; Lokesh Chandra; Sonal Mishra; Anchal Srivastava; Manish Dubey

doi:10.4103/njms.NJMS_70_17

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ORIGINAL ARTICLE

Year : 2019 | Volume : 10 | Issue : 1 | Page : 59-67

Study of pattern and prevalence of mandibular impacted third molar among Delhi-National Capital Region population with newer proposed classification of mandibular impacted third molar: A retrospective study

Deepak Passi¹, Geeta Singh², Shubharanjan Dutta³, Dhirendra Srivastava⁴, Lokesh Chandra⁴, Sonal Mishra⁴, Anchal Srivastava⁵, Manish Dubey⁶
¹ Department of Oral and Maxillofacial Surgery, Inderprastha Dental College and Hospital, Ghaziabad, Uttar Pradesh, India
² Department of Oral and Maxillofacial Surgery, Faculty of Dental Sciences, King George Medical University, Lucknow, Uttar Pradesh, India
³ Department of Oral and Maxillofacial Surgery, M. B. Kedia Dental College, Birgunj, Nepal
⁴ Department of Oral and Maxillofacial Surgery, ESIC Dental College and Hospital, Delhi, India
⁵ Department of Oral Pathology, Govt. Dental College and Hospital, Aurangabad, Maharashtra, India
⁶ Departmemt of Dentistry, T. S. Misra Medical College and Hospital, Lucknow, Uttar Pradesh, India

Correspondence Address:
Dr. Manish Dubey
Department of Dentistry, T. S. Misra Medical College and Hospital, Lucknow, Uttar Pradesh
India

Source of Support: None, Conflict of Interest: None

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DOI: 10.4103/njms.NJMS_70_17

Aim/Objective: The mandibular third molar is the most frequently impacted tooth with incidence varies from 9.5% to 68% in different populations. Hence, the aim was to study the prevalence and pattern of mandibular impacted third molar among Delhi-National Capital Region (NCR) population. Materials and Methods: The study was conducted with data collected from registered hospitals and dental clinics of Delhi NCR region. The study represents a retrospective analysis of panoramic radiographs and intraoral periapical radiograph of patients at these centers from June 2014 to June 2016. Results: Out of 960 patients with the third molar investigated, a total of 250 patients having impacted mandibular third molar (152 [60.8%] males and 98 [39.2%]) females between June 2014 and June 2016 were included in the study. The age ranged from 20 to 55 years, with a mean age of 27.6 years and the standard deviation was 5.8 years. The prevalence of impacted mandibular third molars for this study was 26.04%. Conclusion: This study demonstrated that males (60.8%) were more likely to present with impacted mandibular third molars than females (39.2%). The prevalence of third molar impactions was almost the same on both the left (45.8%) and right (54.2%) sides. This study also noted that mesioangular impactions (49.2%) were the most common type of impaction. The least common form of impactions was the transverse types (2%). The prevalence of impacted mandibular third molars for this study was 26.04%.

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