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Quantitative and qualitative bone analysis in the maxillary lateral region

  • Anatomic Bases of Medical, Radiological and Surgical Techniques
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The present study was conducted to assess the amount of bone present between root apices and the maxillary sinus floor in the maxillary lateral region, to compare the evaluations on cone beam computed tomography (CBCT) and orthopantomography (OPG), and to evaluate the bone density of the same region using three-dimensional images on CBCT.


Fifty-one dental patients were recruited for the study. All subjects were partially edentulous. The distances from the maxillary premolars and molars apices to the maxillary sinus floor were assessed using CBCT and OPG. Color codes were assigned to the bone density of edentulous loci. Parametric and non-parametric tests were used for statistical analyses. A p value <0.05 was considered statistically significant.


The maxillary first and second molars recorded the shortest mean distances to the sinus floor, in contrast to the maxillary first premolar. The bone density of the maxillary lateral area increased from the maxillary first premolar to the second molar. No statistical significant differences were found between the evaluated sites.


Our results provide estimates of the minimal and maximal distances between teeth and sinus, as well as the average bone density in the maxillary lateral region. It is important that evaluation of a specific patient be performed during the preoperative planning of implants.

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Correspondence to Carmen Elena Georgescu.

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Georgescu, C.E., Rusu, M.C., Sandulescu, M. et al. Quantitative and qualitative bone analysis in the maxillary lateral region. Surg Radiol Anat 34, 551–558 (2012).

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