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An Official Publication of the Indian Association of Oral and Maxillofacial Pathologists

ORIGINAL ARTICLE Table of Contents   
Year : 2013  |  Volume : 17  |  Issue : 1  |  Page : 41-44
Histopathologic evaluation of follicular tissues associated with impacted lower third molars

1 Department of Oral Pathology, Coorg Institute of Dental Sciences, Virajpet, India
2 Oral and Maxillofacial Surgery, A B Shetty Memorial Institute of Dental Sciences, Dheralakatte, Mangalore, India

Correspondence Address:
Anand S Tegginamani
Department of Oral Pathology, Coorg Institute of Dental Sciences, Virajpet - 571 218
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0973-029X.110713

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Context: Previous studies have reported that the dental follicular tissues associated with impacted lower third molars (ILTMs) may undergo cystic degeneration and/or neoplastic transformation. This is especially likely when the pericoronal space is >2.5 mm on intraoral radiographs and >3 mm on panoramic radiographs and to examine dental follicular tissue for pathological changes in patients with ILTMs and pericoronal radiolucencies of <2.5 mm. Aim: Histopathological evaluation of follicular tissues associated with ILTMs. Materials and Methods: The morphology of the hematoxylin and eosin-stained follicular tissues of 146 such impactions were studied. Results: On microscopy, no cystic structures with fibrous walls were identified. 85 cases (58%) showed fibrous or myxomatous connective tissue and no epithelial elements. 61 cases (42%) showed epithelial elements in addition to fibrocollagenous tissue. Of these, 16 cases exhibited epithelium, of which 13 cases showed reduced enamel epithelium and three cases showed squamous metaplasia/non-keratinized stratified squamous epithelium. Conclusions: All asymptomatic unerupted third molars with pericoronal radiolucency of <2.5 mm should be retained since they do not exhibit cyst formation microscopically.

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Journal of Oral and Maxillofacial Pathology | Published by Wolters Kluwer - Medknow
Online since 15th Aug, 2007