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Correlation study between distal caries in the mandibular second molar and the eruption status of the mandibular third molar in the Korean population

Cited 29 time in Web of Science Cited 34 time in Scopus
Authors
Chang, Seok Woo; Shin, Seung Yun; Kum, Kee Yeon; Hong, Jong Rak
Issue Date
2009-12
Publisher
Elsevier
Citation
Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2009;108:838-843
Abstract
Objectives
The purpose of this study was to analyze the correlation parameters between the distal caries of the mandibular second molars (M2Ms) and the eruption status of the mandibular third molars (M3Ms).

Study design
The records of 786 patients who had their M3Ms extracted from 2002 to 2007 at Samsung Medical Center were reviewed. The distal caries of M2Ms, age, gender, angulations, impaction degree, and distance between M2M and M3M were assessed.

Results
Among 883 M2Ms, 152 had distal caries (17.2%, caries group). In the caries group, 79.6% of M3Ms exhibited mesial angulation between 40° and 80° and 82.2% of M3Ms exhibited an impaction level in which the most coronal aspect of the M3M was located superior to the occlusal surface of the M2M. The distance between M2M and M3M (between cemontoenamel junctions) was 7-9 mm for 57.2% of the caries group.

Conclusions
The M3Ms under eruption status as described here could be considered for preventive extraction.
ISSN
1079-2104
Language
English
URI
https://hdl.handle.net/10371/66619
DOI
https://doi.org/10.1016/j.tripleo.2009.07.025
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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