Volume 22, Issue 10 pp. 1164-1167

Location of posterior superior alveolar artery and evaluation of maxillary sinus anatomy with computerized tomography: a clinical study

Güliz N. Güncü,

Güliz N. Güncü

Department of Periodontology, Faculty of Dentistry, Hacettepe University, Ankara, Turkey

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Yagmur D. Yildirim,

Yagmur D. Yildirim

Department of Periodontology, Faculty of Dentistry, Hacettepe University, Ankara, Turkey

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Hom-Lay Wang,

Hom-Lay Wang

Department of Periodontics and Oral Medicine, School of Dentistry, The University of Michigan, Ann Arbor, MI, USA

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Tolga F. Tözüm,

Tolga F. Tözüm

Department of Periodontology, Faculty of Dentistry, Hacettepe University, Ankara, Turkey

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Güliz N. Güncü,

Güliz N. Güncü

Department of Periodontology, Faculty of Dentistry, Hacettepe University, Ankara, Turkey

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Yagmur D. Yildirim,

Yagmur D. Yildirim

Department of Periodontology, Faculty of Dentistry, Hacettepe University, Ankara, Turkey

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Hom-Lay Wang,

Hom-Lay Wang

Department of Periodontics and Oral Medicine, School of Dentistry, The University of Michigan, Ann Arbor, MI, USA

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Tolga F. Tözüm,

Tolga F. Tözüm

Department of Periodontology, Faculty of Dentistry, Hacettepe University, Ankara, Turkey

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First published: 18 January 2011

https://doi.org/10.1111/j.1600-0501.2010.02071.x

Citations: 112

Corresponding author:
Dr Tolga F. Tözüm
Department of Periodontology
Faculty of Dentistry
Hacettepe University
3rd Floor, Sihhiye 06100
Ankara
Turkey
Tel.: +90 312 305 2237
Fax: +90 312 310 4440
e-mail: [email protected]

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Abstract

Objectives: Knowledge and evaluation of the maxillary sinus anatomy before sinus augmentation are essential for avoiding surgical complications. Posterior superior alveolar artery (PSAA) is the branch of maxillary artery that supplies lateral sinus wall and overlying membrane. The aims of this study were to examine the prevalence, diameter, and location of the PSAA and its relationship to the alveolar ridge and to study the prevalence of the sinus pathology and septum using computerized tomography (CT) scans.

Materials and methods: One hundred and twenty-one CT scans (242 sinuses) from patients undergoing sinus augmentation procedure and/or implant therapy were included. Lower border of the artery to the alveolar crest, bone height below the sinus floor to the ridge crest, distance of the artery to the medial sinus wall, diameter of the artery, and position of the artery were measured; presence of septa and pathology were recorded from CT sections.

Results: Prevalence of sinus septa and sinus pathology was 16.1% and 24.8%, respectively. Artery was seen in 64.5% of all sinuses and was mostly intraosseous (68.2%). Mean diameter of PSAA was found 1.3 ± 0.5 mm. No significant correlation between the diameter of the artery and age was observed.

Conclusions: The results from this study suggested that CT scan is a valuable tool in evaluating presence of sinus pathology, septa, and arteries before maxillary sinus surgery. Although variations exist in every patient, the findings from this study suggest limiting the superior border of the lateral window up to 18 mm from the ridge to avoid any potential vascular damage.

To cite this article:
Güncü GN, Yildirim YD, Wang H-L, Tözüm TF. Location of posterior superior alveolar artery and evaluation of maxillary sinus anatomy with computerized tomography: a clinical study.
Clin. Oral Impl. Res. 22, 2011; 1164–1167.
doi: 10.1111/j.1600-0501.2010.02071.x

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Volume22, Issue10

October 2011

Pages 1164-1167

Location of posterior superior alveolar artery and evaluation of maxillary sinus anatomy with computerized tomography: a clinical study

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Location of posterior superior alveolar artery and evaluation of maxillary sinus anatomy with computerized tomography: a clinical study

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