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ORIGINAL RESEARCH
Year : 2015  |  Volume : 27  |  Issue : 1  |  Page : 47-51

Proximity of maxillary sinus floor to the roots of maxillary molars: A CBCT evaluation


1 Professor, Dean and HOD, Department of Conservative Dentistry and Endodontics, Government Dental College and Hospital, Ahmedabad, Gujarat, India
2 Post Graduate Student (Part III), Department of Conservative Dentistry and Endodontics, Government Dental College and Hospital, Ahmedabad, Gujarat, India

Correspondence Address:
Geeta Asthana
Professor, Dean and HOD, Department of Conservative Dentistry and Endodontics, Government Dental College and Hospital, Ahmedabad, Gujarat
India
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Source of Support: None, Conflict of Interest: None


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Objectives: The aim of the present study was to assess the relationship between the maxillary sinus floor and the maxillary molar root tips using CBCT. Methods: A total of 30 maxillary first molars and 30 maxillary second molars from 17 patients were examined with CBCT. For each root the shortest distance to the maxillary sinus was determined in sagittal, coronal and axial planes, using in-built measurement tools. Means, standard deviations, minimum and maximum values and frequency of root protrusion were calculated for all roots. Results: The distance between sinus floor and root tip was longest for the first molar mesiobuccal root and shortest for the second molar distobuccal root. Conclusions: Knowledge of the anatomical relationship between the maxillary sinus floor and the maxillary posterior teeth root tips is important for the preoperative treatment planning of maxillary posterior teeth.


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