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Original Research

Cone beam computed tomography imaging guides for ortodontic miniscrew placement

Suayip Burak Duman, Oguzhan Altun, Muhammed Akif Sumbullu.


The aim of this retrospective study is to present a guide for the clinicians by detecting the best mini screw placement areas with the measurement of cortical bone thickness in the patients who have cone beam computed tomography (CBCT) images. Additionally to be protected from root damage and a potential damage to environmental anatomic tissues, related measurements will also be held in the determined areas.This study has been evaluated by using the images of 52 patients taken by cone beam computed tomography for diagnosis and cure.In the mandibular measurements which were done by using CBCT, the buccal cortical bone thickness has been found out to increase while going towards the posterior region and going down to the apical region at the same area. In addition, it was observed mostly between second premolar and first molar teeth at the farthest area from the top of the crest, along the mandibular canal. The distance between base of the nose and maxillar sinus floor to the hill of the crest has also been observed that decreased towards the posterior region.Although it can vary according to the person, in mini screw applications, mandibular cortical bone structure and the interradicular range is more suitable than the upper jaw. To be protected from the potential complications and for a better stability, radiologic analysis is recommended to the patient before the mini screw placement.

Key words: Propofol, ketamine, cerebral oximeter, elderly patients

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