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Year : 2021  |  Volume : 13  |  Issue : 1  |  Page : 34-39

The bridge connecting sella turcica and palatally impacted canine

Department of Orthodontics and Dentofacial Orthopedics, Bhojia Dental College, Baddi, Himachal Pradesh, India

Correspondence Address:
Ashwin Pradhan
Purano Namchi, Namchi, South Sikkim, Sikkim
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/IJDS.IJDS_30_20

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Introduction: The calcification of sella trucica bridge might be positively associated with canine impaction, the reason being that sella turcica, dental epithelial progenitor cells along with maxilla, palatal, and frontonasal development share a common embryological origin (neural crest cells). Therefore their assessment might provide useful clinical information in predicting palatal canine impaction. Aim: To evaluate the calcification of sella turcica bridging in patients with palatally impacted canine. Materials and method: A total of 21 pretreatment lateral cephalograms of patients with palatally impacted canine and 29 patients with normally erupted canine were selected for the study. Lateral cephalograms of the patients were acquired and landmark were identified and marked. Various Sella values (sella length/interclinoid distance, sella depth, sella diameter) were measured. The values obtained were then subjected to statistical analysis. Result: Suggested that patients with a palatally impacted canine showed smaller interclinoid distance. The frequency of sella bridging was significantly higher in subjects with canine impaction than in controls (P <0.001). Conclusion: Sella bridging is frequently found in palatally impacted canines. The smaller intercliniod distance could be an indicative factor for diagnosis of palatal canine impaction.

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