Evaluation of the Position and Course of the Posterior Superior 
Alveolar Artery by Cone-Beam Computed Tomography in an 
Iranian Population

Panjnoush, Mehrdad; Ghoncheh, Zahra; Kaviani, Hanieh; Moradzadeh Khiavi, Monir; Shahbazi, Niloofar; Kharrazifard, Mohammad Javad

doi:10.30699/jidai.29.3.86

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Volume 29, Issue 3 (7-2017)

J Iran Dent Assoc 2017, 29(3): 86-92

Back to browse issues page

Evaluation of the Position and Course of the Posterior Superior Alveolar Artery by Cone-Beam Computed Tomography in an Iranian Population

Mehrdad Panjnoush¹

, Zahra Ghoncheh ^*

², Hanieh Kaviani³

, Monir Moradzadeh Khiavi⁴

, Niloofar Shahbazi⁵

, Mohammad Javad Kharrazifard⁶

1- Associate Professor, Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran AND Department of Oral and Maxillofacial Radiology, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
2- Assistant Professor, Department of Oral and Maxillofacial Radiology, School of Dentistry, International Campus, Tehran University of Medical Sciences, Tehran, Iran , Z-Ghoncheh@sina.tums.ac.ir
3- Assistant Professor, Department of Oral and Maxillofacial Radiology, School of Dentistry, International Campus, Tehran University of Medical Sciences, Tehran, Iran
4- Associate Professor, Department of Oral and Maxillofacial Pathology, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
5- Dentist, Private Office, Tehran, Iran
6- Research Member, Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran

Abstract: (3077 Views)

Background and Aim: Understanding the vascular anatomy of the maxillary sinus plays an important role in the success of sinus grafting and determining the location of lateral osteotomy. The aim of the present study was to localize the posterior superior al-veolar artery (PSAA) and to measure the distance from this vascular canal to the maxil-lary sinus floor and alveolar crest by cone-beam computed tomography (CBCT).

Materials and Methods: This study was conducted on 600 CBCT scans. The distance from the inferior border of the PSAA to the maxillary sinus floor and alveolar crest was measured and the position of this vascular canal was evaluated. The distance from the vascular canal to the maxillary sinus floor was also compared in dentulous and edentulous patients. The results were analyzed by repeated measures ANOVA and Tukey’s post-hoc test.
Results: The PSAA was detected on 150 scans. The intraosseous position of the canal was seen in 51.30% of the cases. There were insignificant differences among the distances from the vascular canal to the maxillary sinus floor in different dental areas. However, there were significant differences in the distances from the vascular canal to the alveolar crest in different regions (P<0.001).
Conclusion: In this study, the PSAA was detected in 25% of the cases. The smallest distance between the vascular canal and maxillary sinus floor was observed in the first premolar and first molar regions, respectively. Determining the position of the PSAA by CBCT is useful for reducing perioperative bleeding; therefore, CBCT is recommended as a routine imaging technique prior to sinus lifting.

Keywords: Cone-Beam Computed Tomography, Maxillary Artery, Maxillary Sinus

Full-Text [PDF 327 kb] (1516 Downloads)

Type of Study: Original | Subject: Oral and Maxillofacial Radiology

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Panjnoush M, Ghoncheh Z, Kaviani H, Moradzadeh Khiavi M, Shahbazi N, Kharrazifard M J. Evaluation of the Position and Course of the Posterior Superior Alveolar Artery by Cone-Beam Computed Tomography in an Iranian Population . J Iran Dent Assoc 2017; 29 (3) :86-92
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Volume 29, Issue 3 (7-2017)

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