An Analysis of Frequency, Morphology, and Locations of Maxillary Sinus Septa Using Cone Beam Computed Tomography.

Bornstein, Michael; Seiffert, Carol Elisabeth Cori; Maestre-Ferrín, Laura; Fodich, Ivo; Jacobs, Reinhilde; Buser, Daniel; von Arx, Thomas (2016). An Analysis of Frequency, Morphology, and Locations of Maxillary Sinus Septa Using Cone Beam Computed Tomography. The International journal of oral & maxillofacial implants, 31(2), pp. 280-287. Quintessence Publ 10.11607/jomi.4188

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PURPOSE To evaluate the frequency, morphology, and locations of maxillary sinus septa using cone beam computed tomographic (CBCT) imaging of the entire maxillary sinus and to analyze factors influencing the presence or absence of septa. MATERIALS AND METHODS CBCT images of the maxilla taken during a 1-year study period (October 1, 2012, to September 30, 2013) were evaluated for the presence and type of septa as well as the health or pathology of the maxillary sinus. Differences in age, gender, type of dentition, septa location, and sinus pathology with regard to the incidence of sinus septa were analyzed statistically. RESULTS The study included 294 maxillary sinuses in 212 patients (126 women and 86 men) with a mean age of 53.8 years. Sinus septa were present in 141 patients (66.5%) and in 166 of 294 sinuses (56.5%). The most common orientation of the septa was coronal (61.8%), 7.6% were oriented axially, and 3.6% were aligned sagittally. Most septa were located on the floor of the maxillary sinus (58.6%), commonly (60.7%) in the region of the first and second molars. The maxillary sinuses were diagnosed in 36.4% of cases as healthy and without thickening of the sinus membrane. Sex was a significant variable in the health of the maxillary sinus; 57.7% of the sinuses in women and 72.3% in men were diagnosed as pathologic. CONCLUSION Septa are common anatomical structures and are most often found in the first or second molar region on the floor of the maxillary sinus. To prevent possible complications during sinus floor elevation procedures, a thorough three-dimensional radiographic examination of the sinus prior to surgery is recommended.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > School of Dental Medicine > Department of Oral Surgery and Stomatology

UniBE Contributor:

Bornstein, Michael; Seiffert, Carol Elisabeth Cori; Buser, Daniel and von Arx, Thomas

Subjects:

600 Technology > 610 Medicine & health

ISSN:

1942-4434

Publisher:

Quintessence Publ

Language:

English

Submitter:

Eveline Carmen Schuler

Date Deposited:

23 Mar 2017 12:14

Last Modified:

23 Mar 2017 12:14

Publisher DOI:

10.11607/jomi.4188

PubMed ID:

26478970

URI:

https://boris.unibe.ch/id/eprint/93119

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