Evaluation of the posterior superior alveolar artery location and diameter with a newly defined stable plane |
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| Affiliation: | 1. Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Izmir Katip Celebi University, Izmir, Turkey;2. Department of Oral snd Maxillofacial Radiology, Faculty of Dentistry, Izmir Katip Celebi University, Izmir, Turkey;1. Department of Dermatology, Bellvitge University Hospital, L′Hospitalet de Llobregat, Barcelona, Spain;2. Department of Dermatology, Hospital Clínic of Barcelona, Barcelona, Spain;3. Department of Odontostomatology, Odontological University Hospital of Barcelona, L′Hospitalet de Llobregat, Barcelona, Spain;4. Department Oral and Maxillofacial Surgery, Bellvitge University Hospital, L′Hospitalet de Llobregat, Barcelona, Spain;5. Cancer Epidemiology Research Program, Catalan Institute of Oncology (ICO), L′Hospitalet de Llobregat, Barcelona, Spain;6. Epidemiology, Public Health, Cancer Prevention and Palliative Care Program, IDIBELL, L′Hospitalet de Llobregat, Barcelona, Spain;7. Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, Madrid, Spain;8. Department of Pathology, Bellvitge University Hospital, L′Hospitalet de Llobregat, Barcelona, Spain;9. Department of Medical Oncology, Catalan Institute of Oncology (ICO), L′Hospitalet de Llobregat, Barcelona, Spain;10. Program of Molecular Mechanisms and Experimental Therapy in Oncology, IDIBELL, L′Hospitalet de Llobregat, Barcelona, Spain;1. School of Oral Surgery, Department of Medical Biotechnologies, University of Siena, Siena, Italy;2. Department of Orthodontics, University of Siena, Siena, Italy;1. Department of the Stomatology II, University of the Basque Country/EHU, Leioa, Spain;2. Faculty of Dentistry, Oral and Craniofacial Sciences, King’s College London and WHO Collaborating Centre for Oral Cancer, London, UK;1. Department of Oral and Maxillofacial Surgery, Radboud University Medical Center, Nijmegen, the Netherlands;2. Department of Pathology, Radboud University Medical Center, Nijmegen, the Netherlands;3. Department of Dentistry–Regenerative Biomaterials, Radboud University Medical Center, Nijmegen, the Netherlands;4. Department of Oral and Maxillofacial Surgery, AZ Groeninge, Kortrijk, Belgium |
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| Abstract: | The aim of this study was to analyse the vertical location of the posterior superior alveolar artery (PSAA) using a reliable new reference plane regardless of tooth and alveolar bone, and to measure the diameter in each posterior tooth region, which is of relevance to lateral sinus floor elevation surgery. A total of 270 sinuses in 139 patients were examined in this study. The A-plane was defined by A-point and the bilateral jugal points on reconstructed three-dimensional images. The distance from the PSAA to the defined plane was measured in four regions: first premolar (P1), second premolar (P2), first molar (M1), and second molar (M2). The average distance of the PSAA above the plane in the P1, P2, M1, and M2 regions was determined to be 10.24 mm, 7.35 mm, 5.47 mm, and 7.23 mm, respectively. The PSAA was found to run above the plane in 97.4% of sinuses, below the plane in 1.1%, and on the plane in 1.5%. In conclusion, the new plane is useful for intraoperative location of the PSAA. According to the study findings, the area below the reference plane can be considered safe for lateral approach sinus surgery in terms of preserving the integrity of the PSAA. |
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| Keywords: | sinus floor augmentation maxillary sinus anatomic variation |
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