Evaluation of Periapical Lesions and Their Association with Maxillary Sinus Abnormalities on Cone-beam Computed Tomographic Images.

Autor:	Nunes CA; Department of Stomatology, Federal University of Goiás, Goiânia, Goiás, Brazil., Guedes OA; Department of Oral Sciences, University of Cuiabá, Cuiabá, Mato Grosso, Brazil., Alencar AH; Department of Stomatology, Federal University of Goiás, Goiânia, Goiás, Brazil., Peters OA; Department of Endodontics, Arthur A. Dugoni School of Dentistry, University of the Pacific, San Francisco, California., Estrela CR; Department of Oral Sciences, University of Cuiabá, Cuiabá, Mato Grosso, Brazil., Estrela C; Department of Stomatology, Federal University of Goiás, Goiânia, Goiás, Brazil. Electronic address: estrela3@terra.com.br.
Jazyk:	angličtina
Zdroj:	Journal of endodontics [J Endod] 2016 Jan; Vol. 42 (1), pp. 42-6. Date of Electronic Publication: 2015 Oct 29.
DOI:	10.1016/j.joen.2015.09.014
Abstrakt:	Introduction: Periapical inflammation is often responsible for distinct maxillary sinus (MS) changes. This retrospective, cross-sectional study evaluated the association between the clinical characteristics of periapical lesions (presence, size, and distance) in maxillary posterior teeth and the presence of sinus abnormalities by evaluating cone-beam computed tomographic (CBCT) images obtained from an archived collection. Apart from sex, no other patient information was available. Methods: The study sample was composed of CBCT images of 143 MSs of patients with at least 1 maxillary posterior tooth with a periapical lesion and 178 MSs of patients without periapical radiolucent lesions. Sinus abnormalities were classified as mucosal thickening, sinus polyp, antral pseudocyst, nonspecific opacification, periostitis, and antral calcification; periapical radiolucent areas were classified using the CBCT periapical index, and the distance between the periapical lesion edge and the MS floor was measured. Data were analyzed using chi-square tests at a level of significance set at α = 0.05. Results: Most sinus abnormalities were associated with at least 1 maxillary posterior tooth with a periapical lesion (P > .05). The most frequent sinus abnormality in the presence of a periapical lesion was mucosal thickening. All teeth with a CBCT periapical index score of 5 were associated with sinus abnormalities. The highest frequency of abnormalities was found when the radiolucent area was subjacent to the sinus floor. Conclusions: Maxillary posterior teeth with periapical radiolucent lesions had the highest frequency of sinus abnormalities. The size of a periapical lesion was not associated with the frequency of sinus abnormalities. A close spatial relationship between periapical lesions and sinuses resulted most frequently in sinus abnormalities. (Copyright © 2016 American Association of Endodontists. Published by Elsevier Inc. All rights reserved.)
Databáze:	MEDLINE
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