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Quintessence Int 38 (2007), No. 8     26. July 2007
Quintessence Int 38 (2007), No. 8  (26.07.2007)

Online Article, Page 709, PubMed:17823674


Online Article: Unerupted mandibular third molars: Symptoms, associated pathologies, and indications for removal in a Turkish population
Dogan, Necdet / Orhan, Kaan / Gunaydin, Yilmaz / Koymen, Ramazan / Okcu, Kemal / Ucok, Ozlem
Objectives: To analyze the occurrence of symptoms of unerupted mandibular third molars, to investigate associated pathologies, and to determine indications for removal of unerupted mandibular third molars in a Turkish population.
Method and Materials: A retrospective study was performed by reviewing 832 patients referred to Gülhane Military Medical Academy Dentistry Center for evaluation of their mandibular third molars. The patients were clinically examined, and unerupted and partially erupted mandibular third molars were determined from radiographs. The symptoms and pathologies associated with these teeth were analyzed. The indications for removal were classified into 10 groups.
Results: Two-thirds of the patients were between 20 and 29 years of age. Of the 832 unerupted mandibular third molars found, 557 (66.9%) teeth were partially erupted and 275 (33.1%) were completely unerupted. A total of 521 (62.6%) of all unerupted third molars had no symptoms, while 311 (37.4%) were associated with symptoms. The most frequent complaints of the patients were pain and swelling. Pericoronitis was observed as the most frequent pathology, in 142 patients. Of 832 unerupted mandibular third molars, 582 (69.9%) had complete root formation, 177 (21.2%) had two-thirds root formation, and 73 (8.9%) had one-third root formation.
Conclusion: Patients between 20 and 29 years of age had the highest prevalence of unerupted mandibular third molars (69.3%). However, this figure decreased with increasing age. Partially erupted teeth (n = 228) caused the occurrence of symptoms more than completely erupted teeth (n = 83) in a Turkish population.

Keywords: impaction, indication, oral surgery, retrospective study, symptom, third molar