title: Pre-maxillary hypo-hyperdontia: report of a rare case.
abstract: Agenesis of bilateral maxillary canines is very rare and mesiodens is a commonly occurring supernumerary tooth type. Concomitant occurrence of both hypodontia and hyperdontia is extremely rare and it is a condition of mixed numeric variation in the same individual. The reported prevalence of this condition ranges between 0.002% and 3.1%. The purpose of this case report is to describe a rare occurrence of hypo-hyperdontia involving agenesis of both maxillary canines, mesiodens and associated with taurodontism.
authors.affiliation: Department of Pedodontics and Preventive Dentistry, Narayana Dental College and Hospital, Nellore, Andhra Pradesh, India.
authors.forename: S V S G
authors.initials: SV
authors.lastname: Nirmala
authors.forename: S K
authors.initials: SK
authors.lastname: Mallineni
authors.forename: S
authors.initials: S
authors.lastname: Nuvvula
mesh_terms: D000293:Adolescent; D000848:Anodontia / Q000150:complications* / Q000175:diagnosis; D003818:Dentition, Mixed; D005260:Female; D006801:Humans; D007180:Incisor / Q000002:abnormalities*; D008437:Maxilla / Q000002:abnormalities*; D014096:Tooth, Supernumerary / Q000150:complications* / Q000175:diagnosis