title: Sella turcica bridging and dental anomalies: is there an association?
abstract: BACKGROUND
  Sella turcica bridging (STB), or calcification of the interclinoid ligament of sella turcica, has been reported to be associated with some dental anomalies (palatal canine impaction and transposition).
  The aim of the study was to find any association between canine impaction, hyperdontia or hypodontia and sellar dimensions or bridging.
  
  
  METHODS
  Lateral cephalometric radiographs from 78 patients with impacted canines, 68 with dental agenesis and 17 with hyperdontia were collected. Linear dimensions of sella turcica were calculated and compared to those of a control group (47 individuals). A standardize scoring scale was used to quantify the extent of STB from each radiographs.
  
  
  RESULTS
  The frequency of partial and complete calcifications of sella in patients with dental anomalies is increased when compared to controls. STB can influence the interclinoid distance but does not affect other linear dimensions of sella. No statistically significant difference has been found in sellar dimensions and STB expression when evaluating radiographs at different ages.
  
  
  CONCLUSIONS
  STB is frequently found in patients with dental abnormalities.
authors.affiliation: Unit of Orthodontics and Paediatric Dentistry, Section of Dentistry, Department of Clinical, Surgical, Diagnostic and Paediatric Sciences, University of Pavia, Pavia, Italy.
authors.forename: Andrea
authors.identifier: http://orcid.org/0000-0002-2760-0124
authors.initials: A
authors.lastname: Scribante
authors.affiliation: Unit of Orthodontics and Paediatric Dentistry, Section of Dentistry, Department of Clinical, Surgical, Diagnostic and Paediatric Sciences, University of Pavia, Pavia, Italy.
authors.forename: Maria Francesca
authors.initials: MF
authors.lastname: Sfondrini
authors.affiliation: Unit of Orthodontics and Paediatric Dentistry, Section of Dentistry, Department of Clinical, Surgical, Diagnostic and Paediatric Sciences, University of Pavia, Pavia, Italy.
authors.forename: Marco
authors.initials: M
authors.lastname: Cassani
authors.affiliation: Unit of Orthodontics and Paediatric Dentistry, Section of Dentistry, Department of Clinical, Surgical, Diagnostic and Paediatric Sciences, University of Pavia, Pavia, Italy.
authors.forename: Danilo
authors.initials: D
authors.lastname: Fraticelli
authors.affiliation: Unit of Orthodontics and Paediatric Dentistry, Section of Dentistry, Department of Clinical, Surgical, Diagnostic and Paediatric Sciences, University of Pavia, Pavia, Italy.
authors.forename: Sergio
authors.initials: S
authors.lastname: Beccari
authors.affiliation: Unit of Orthodontics and Paediatric Dentistry, Section of Dentistry, Department of Clinical, Surgical, Diagnostic and Paediatric Sciences, University of Pavia, Pavia, Italy.
authors.forename: Paola
authors.initials: P
authors.lastname: Gandini
mesh_terms: D000848:Anodontia; D001847:Bone Diseases / Q000150:complications / Q000000981:diagnostic imaging; D002114:Calcinosis / Q000150:complications* / Q000000981:diagnostic imaging; D002508:Cephalometry; D006801:Humans; D011861:Radiography, Dental; D012658:Sella Turcica / Q000000981:diagnostic imaging / Q000473:pathology*; D014071:Tooth Abnormalities / Q000150:complications* / Q000000981:diagnostic imaging; D014095:Tooth, Impacted; D014096:Tooth, Supernumerary