title: A rare case of impacted maxillary first premolar.
abstract: Among the dental and maxillary anomalies, impacted teeth are frequently encountered. However, the incidence of impaction of maxillary first premolars is very low. Herewith, we report a rare case of impacted maxillary left first premolar, in a vertical position, with the apical two-thirds of the root situated in the angle between the medial and antero-lateral walls of the maxillary sinus. The persistence of the maxillary left primary canine was also observed. The cone beam computed tomography evaluation of the case identified the close proximity of the impacted tooth with the root of the permanent canine and the nasal fossa. The finding may be helpful to dental practitioners, not only to anticipate the difficulties which may occur during surgical interventions, but also to prevent possible complications, such as maxillary infections or root resorptions.
authors: Division of Embryology, Faculty of Dental Medicine, "Carol Davila" University of Medicine and Pharmacy, 8, Blvd Eroilor Sanitari, 050474, Bucharest, Romania. Andreea.Didilescu@gmail.com.
authors: Andreea Cristiana
authors: AC
authors: Didilescu
authors: Division of Anatomy, Faculty of Dental Medicine, "Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania.
authors: Mugurel Constantin
authors: MC
authors: Rusu
authors: Division of Oral Implantology, Faculty of Dental Medicine, "Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania.
authors: Mihai
authors: M
authors: Săndulescu
mesh_terms: D001641:Bicuspid / Q000000981:diagnostic imaging*; D054893:Cone-Beam Computed Tomography; D005260:Female; D006801:Humans; D008437:Maxilla / Q000000981:diagnostic imaging; D008875:Middle Aged; D014095:Tooth, Impacted / Q000000981:diagnostic imaging*
keywords: Asymmetry; CBCT anatomy; Impacted maxillary first premolar; Malocclusion; Maxillary sinus