title: Fusion of a third molar to a supernumerary tooth with an associated dentigerous cyst.
abstract: During a routine oral examination of a 19 year-old Black male, a bony impaction of his mandibular left third molar fused to an inverted supernumerary tooth with a cystic cavity was found. Histologic examination confirmed the presence of a dentigerous cyst.
mesh_terms: D000328:Adult; D003803:Dentigerous Cyst / Q000175:diagnosis*; D005671:Fused Teeth / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008336:Mandibular Diseases / Q000175:diagnosis; D008963:Molar / Q000002:abnormalities*; D014071:Tooth Abnormalities / Q000175:diagnosis*; D014096:Tooth, Supernumerary / Q000175:diagnosis*