PURPOSE The purpose of this study was to determine the prevalence of missing and impacted third molars in people aged 25 years and above. MATERIALS AND METHODS The study sample of 3,799 patients was chosen randomly from patients who visited Pusan National University Dental Hospital and had panoramic radiographs taken. The data collected included presence and impaction state, angulation, and d...

OBJECTIVES Impacted teeth, if left untreated, have a potential to induce various complications. The aim of the current study was to determine the prevalence and pattern of impacted mandibular third molar in the Iranian population. STUDY DESIGN This cross-sectional study was performed in patients who were referred to the Department of Oral Radiology between July 2009 and October 2010 to obtain...

background: pericoronal tissue is the soft tissue located between the bony crypt and the impacted tooth, which is histologically composed of fi brous connective tissue and is usually lined by the reduced enamel epithelium. increased epithelial cell proliferation in the pericoronal tissue is associated with pathological changes such as development of an odontogenic cyst or an epithelial odontoge...

OBJECTIVES The purpose of this study was to assess the pattern of third molar impaction and associated symptoms in a Central Anatolian Turkish population. MATERIAL AND METHODS A total of 2,133 impacted third molar teeth of 705 panoramic radiographs were reviewed. The positions of impacted third molar teeth on the panoramic radiographs were documented according to the classifications of Pell a...