10-25241-stomaeduj-2021-81-art-3-abstract

ORTHODONTICS

AN ASSOCIATION BETWEEN DIMENSIONS AND BRIDGING OF THE SELLA TURCICA AND DENTAL ANOMALIES

DOI: https://doi.org/10.25241/stomaeduj.2021.8(1).art.3

Seden Akan1a , Nevin Kaptan Akar2b

1Department of Orthodontics, Faculty of Dentistry, Altınbaș University, Bakırköy / İstanbul, Turkey
2Department of Orthodontics, İstanbul Medipol University Faculty of Dentistry, İstanbul, Turkey

aDDS, PhD, Assistant Professor; e-mail: sedenakandt@hotmail.com; ORCIDiD: https://orcid.org/0000-0001-7955-3086
bDDS, PhD, Assistant Professor; e-mail: nakar@medipol.edu.tr; ORCIDiD: https://orcid.org/0000-0003-1208-6369

Abstract

Introduction The aim of this study was to determine the incidence of bridging of the sella turcica and the dimensions of the Sella in subjects with dental anomalies (transpositions, hypodontia, and supernumerary teeth) and to compare them to controls.
Methodology Lateral cephalograms from 25 patients with dental transposition, 88 with hypodontia, and 26 with supernumerary teeth were evaluated. The shape, length, depth, diameter, and bridging of the Sella turcica were determined from radiographs and compared to those of control group (n=52). For statistical analysis, one-way ANOVA, Tukey post-hoc test, chi-squared test and T-test (to evaluate the influence of craniofacial growth) were used.
Results The frequency of complete calcification of the Sella was greater in the group with supernumerary teeth (23%) and in the group with hypodontia (14.7%), while partial calcification of the Sella was more frequent in the control group (77%) and in the group with supernumerary teeth (73%)(p<0.05). The depth of the Sella was greater in the group with dental transposition. Oval and round Sella shapes were more frequent in all groups, and a flat Sella was rarely seen. In terms of the influence of growth on the dimensions of the Sella, there was no statistically significant difference between pre- and post-treatment radiographs.
Conclusion Significant relationships were found between dental anomalies and bridging and shape of the Sella. The Sella was also significantly deeper in patients with dental transposition. The bridging and shape of the Sella may be useful in the diagnosis of dental anomalies in early childhood.

Keywords

Sella Turcica Bridging; Hypodontia; Transposition; Supernumerary Tooth; Digital Radiography.

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