Siddalingappa, Divya and Urala, Arun S and Pentapati, Kalyana Chakravarthy and Vineetha, Ravindranath and Prasad, Lakshmi G (2021) Sella turcica bridging and its association with dental anomalies. The Open Dentistry Journal, 15. pp. 473-478. ISSN 1874-2106

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Abstract

Aim: This study aimed to study the overall incidence of DA and its association with Sella Turcica bridging (STB). Background: Dental anomalies (DA) are associated with morphological changes in the Sella Turcica (ST). Materials and Methods: We retrieved the pretreatment patient records from March 2018 - March 2020 from the archives of the Orthodontics Department (n=806). We excluded the records with missing radiographs, concomitant cleft lip/ palate, history of surgical repair of cleft lip/ palate or any other craniofacial anomaly, history of trauma, and prior orthodontic treatment. A total of 676 patient records were included for initial screening, out of which 103 patients had DA (study group). A similar number of records (n=103) without any DA were randomly selected to constitute a control group. Determination of the extent of STB was done by calibrated and trained examiner. Age and sex were also recorded. Results: The incidence of DA was 15.24%. The most common anomalies recorded were impacted canines (6.8%) and hyperdontia (3.7%), followed by agenesis (2.1%) and others. Type III bridging in patients with DA was 22.3%, while being 9.7% in the control group. Type II bridging was observed in 36.8% of patients with DA as compared to 29.1% in the control group. The presence of partial and complete STB in patients with dental anomalies was significantly higher than in the control group (P=0.006). The study group showed significant association with STB (OR: 2.33; P=0.003; 95%CI: 1.33-4.11) after adjusting for sex. Conclusion: The results of our study revealed a significant association between STB and DA.

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