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Maxillary sinus septa

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https://www.readbyqxmd.com/read/29140376/evaluating-maxillary-sinus-septa-using-cone-beam-computed-tomography-is-there-a-difference-in-frequency-and-type-between-the-dentate-and-edentulous-posterior-maxilla
#1
Martina Schriber, Thomas von Arx, Pedram Sendi, Reinhilde Jacobs, Valerie Ga Suter, Michael M Bornstein
PURPOSE: To analyze and compare the frequency, type, and location of maxillary sinus septa in patients with a dentate and an edentulous posterior maxilla using cone beam computed tomography (CBCT) imaging. MATERIALS AND METHODS: The study consisted of 100 maxillary sinuses: 50 from patients with a dentate and 50 from patients with an edentulous posterior maxilla. The aim was to assess the frequency, morphology, and location of maxillary sinus septa in axial, sagittal, and coronal CBCT images...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28946910/primary-paranasal-sinus-hyalinizing-clear-cell-carcinoma-a-case-report
#2
Batool M AlAli, Mohammed J Alyousef, Ahmad Salah Kamel, Mohammad A Al Hamad, Mohammad H Al-Bar, Roaa M Algowiez
BACKGROUND: Hyalinizing clear cell carcinoma (HCCC) is a rare low-grade tumour of salivary glands that was first described as a distinct entity in 1994 by Milchgrub et al. EWSR1-ATF1 fusion was found to be specific for this tumour. The majority of the reported cases of HCCC arise from minor salivary glands within the oral cavity. Primary HCCC of the paranasal sinus is extremely uncommon. To our knowledge, only three cases have been reported in the English literature. Herein, we present a case of HCCC of the posterior ethmoid/maxillary sinus...
September 25, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28943288/computed-tomography-evaluation-of-the-morphometry-and-variations-of-the-infraorbital-canal-relating-to-endoscopic-surgery
#3
Gülay Açar, Kemal Emre Özen, İbrahim Güler, Mustafa Büyükmumcu
INTRODUCTION: The course of the infraorbital canal may leave the infraorbital nerve susceptible to injury during reconstructive and endoscopic surgery, particularly when surgically manipulating the roof of the maxillary sinus. OBJECTIVE: We investigated both the morphometry and variations of the infraorbital canal with the aim to show the relationship between them relative to endoscopic approaches. METHODS: This retrospective study was performed on paranasal multidetector computed tomography images of 200 patients...
September 8, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28885316/evaluation-of-single-tooth-loss-to-maxillary-sinus-and-surrounding-bone-anatomy-with-cone-beam-computed-tomography-a-multicenter-study
#4
Huseyin Gencay Keceli, Erhan Dursun, Anil Dolgun, Miguel Velasco-Torres, Suzan Karaoglulari, Reihaneh Ghoreishi, Khaled Sinjab, Rachel A Sheridan, Marius Kubilius, Melek D Tözüm, Pablo Galindo-Moreno, Hasan Guney Yilmaz, Hom-Lay Wang, Gintaras Juodzbalys, Tolga F Tözüm
BACKGROUND: Posterior maxillary tooth loss may complicate the implant treatment due to the alterations in alveolar anatomy and maxillary sinus pneumatization. This study aimed to comprehensively examine the anatomical structure of this region from cone-beam computed tomography (CBCT) images. MATERIALS AND METHODS: The posterior maxilla regions with single tooth loss were analyzed by dividing the variables into 3 subgroups from images of 597 patients chosen from 1160 CBCTs...
October 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28759740/radiological-evaluation-of-maxillary-sinus-anatomy-a-cross-sectional-study-of-300-patients
#5
Naroa Lozano-Carrascal, Oscar Salomó-Coll, Sergio Alexandre Gehrke, José Luis Calvo-Guirado, Federico Hernández-Alfaro, Jordi Gargallo-Albiol
OBJECTIVE: The aim of the present study was to evaluate the principal anatomical characteristics of the maxillary sinus using Cone Beam Computed Tomography (CBCT) in order to facilitate prevention of intra- and post-operative complications. MATERIALS AND METHODS: Three hundred CBCT scans from patients undergoing implant surgery were analysed. The following anatomical structures were evaluated: (1) Residual ridge height (RRH) and width (RRW); (2) Ridge bone density (BD); (3) Maxillary sinus angle (MSA); (4) Maxillary sinus lateral wall thickness (LWT); (5) Schneiderian membrane thickness (MT); (6) Maxillary sinus septa (SS); (7) Posterior superior alveolar artery (PSAA)...
July 29, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28578369/what-is-the-frequency-of-anatomical-variations-and-pathological-findings-in-maxillary-sinuses-among-patients-subjected-to-maxillofacial-cone-beam-computed-tomography-a-systematic-review
#6
J Ata-Ali, J-V Diago-Vilalta, M Melo, L Bagán, M-C Soldini, C Di-Nardo, F Ata-Ali, J-F Mañes-Ferrer
BACKGROUND: When considering dental implant rehabilitation in atrophic posterior sectors, the maxillary sinuses must be evaluated in detail. Knowledge of the anatomical variations and of the potential lesions found in these structures conditions the outcome of sinus lift procedures and therefore of the dental implants. A systematic review is made to determine the frequency of anatomical variations and pathological findings in maxillary sinuses among patients subjected to cone beam computed tomography (CBCT)...
July 1, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28458730/complications-during-maxillary-sinus-augmentation-associated-with-interfering-septa-a-new-classification-of-septa
#7
Tassos Irinakis, Valentin Dabuleanu, Salwa Aldahlawi
PURPOSE: A new classification of maxillary sinus interfering septa based on its orientation is presented along with its relationship to the prevalence and severity of sinus membrane perforations. Additionally, the impact of membrane perforation on post-operative complications and marginal bone loss during the first year of loading is evaluated. MATERIALS & METHODS: Retrospective chart review of 79 consecutive sinus lift procedures with lateral window technique and 107 implants...
2017: Open Dentistry Journal
https://www.readbyqxmd.com/read/28323814/three-dimensional-evaluation-of-maxillary-sinus-septa-for-implant-placement
#8
Eliza Dragan, Guillaume A Odri, Gabriel Melian, Danisia Haba, Raphael Olszewski
BACKGROUND: The aim of our study was to investigate, in 3 dimensions, the maxillary sinus septa as an alternative site for dental implant placement to avoid sinus lift procedures. MATERIAL AND METHODS: We selected 100 dentate and 100 edentate patients with the presence of a maxillary sinus septum by reviewing a larger cone beam computer tomography (CBCT) database from the Department of Oral and Maxillofacial Surgery at Cliniques Universitaires Saint Luc in Bruxelles, Belgium...
March 21, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28298981/evaluation-of-the-position-of-the-posterior-superior-alveolar-artery-in-relation-to-the-maxillary-sinus-using-the-cone-beam-computed-tomography-scans
#9
Mohammad-Taghi Chitsazi, Adileh Shirmohammadi, Masoumeh Faramarzi, Farzad Esmaieli, Shadi Chitsazi
BACKGROUND: The aim of the present study was to evaluate the diameter, relationship and position of the posterior superior alveolar artery and its relationship with the alveolar ridge, the medial wall of the maxillary sinus, the prevalence of pathologic conditions and the maxillary sinus septa on CBCT images. MATERIAL AND METHODS: A total of 200 CBCT images (400 maxillary sinuses) of patients over 20 years of age were evaluated. The distances between the lower border of the artery and the alveolar crest and between the artery and the medial wall of the sinus and the diameter of the artery were measured...
March 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28125519/maxillary-sinus-dimensions-decrease-as-age-and-tooth-loss-increase
#10
Miguel Velasco-Torres, Miguel Padial-Molina, Gustavo Avila-Ortiz, Raúl García-Delgado, Francisco OʼValle, Andrés Catena, Pablo Galindo-Moreno
OBJECTIVE: To investigate the correlation between patient-dependent variables and dimensional variations of the maxillary sinus. METHODS: In this cross-sectional study, a total of 394 individual cone-beam computed tomography scans were evaluated by one calibrated examiner to measure the total volume of the maxillary sinus, the distance between the medial and the lateral walls at 5, 10, and 15 mm vertically from the sinus floor, the height of septa (if present), and the height of the maxillary sinus cavity from both the alveolar crest and the sinus floor to the meatus...
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28050978/prevalence-location-and-size-of-maxillary-sinus-septa-computed-tomography-scan-analysis
#11
Ferial Taleghani, Maryam Tehranchi, Shahryar Shahab, Zahra Zohri
INTRODUCTION: The present study was undertaken to evaluate the anatomy of the maxillary sinus in relation to its position and the height of its septa, using cone beam computed tomography (CBCT). MATERIALS AND METHODS: In this descriptive retrospective study, 300 CBCT images of maxillary sinuses of patients with posterior maxillary edentulism were evaluated. The maxillary sinus septa were evaluated in relation to their prevalence, height, and position; t-test and Mann-Whitney tests were used for the analysis of data...
January 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/27747639/evaluation-of-the-maxillary-sinus-in-panoramic-radiography-a-comparative-study
#12
Johann Malina-Altzinger, Georg Damerau, Klaus W Grätz, P D Bernd Stadlinger
BACKGROUND: The aim of this study was to evaluate the validity and the inter- and intra-examiner reliability of panoramic-radiograph-driven findings of different maxillary sinus anatomic variations and pathologies, which had initially been prediagnosed by cone beam computed tomography (CBCT). METHODS: After pairs of two-dimensional (2D) panoramic and three-dimensional (3D) CBCT images of patients having received treatment at the outpatient department had been screened, the predefinition of 54 selected maxillary sinus conditions was initially performed on CBCT images by two blinded consultants individually using a questionnaire that defined ten different clinically relevant findings...
December 2015: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/27540848/characterization-of-the-maxillary-sinus-using-cone-beam-computed-tomography-a-retrospective-radiographic-study
#13
Arturo Sánchez-Pérez, Alexandra Carla Boracchia, Pía López-Jornet, Paula Boix-García
PURPOSE: To analyze the anatomical findings and alterations of the maxillary sinus in asymptomatic patients observed by cone beam computed tomography. MATERIALS AND METHODS: A cross-sectional retrospective study of the anatomical variations and alterations of the maxillary sinus was made in 160 patients-71 males (44.3%) and 89 females (55.6%), with an age range of 18 to 74 years-measuring the thickness of the Schneiderian membrane and the cortical thickness of the lower margin of the maxillary sinus (in its most caudal portion), and correlations among the different study variables were assessed...
December 2016: Implant Dentistry
https://www.readbyqxmd.com/read/27405073/prevalence-of-pneumatized-uncinate-process-and-accompanying-neighboring-variations
#14
Alper Yenigün, Cihat Gün, İsmihan İlknur Uysal, Musa Kemal Keleş, Alaaddin Nayman, Ahmet Kağan Karabulut
OBJECTIVES: This study aims to investigate the prevalence of uncinate process (UP) pneumatization and also to investigate the association of UP pneumatization with concurrent morphological variations in neighboring structures and the presence of maxillary sinusitis. PATIENTS AND METHODS: This was a retrospective study where coronal computed tomography scans of 1,500 UPs in 750 patients (483 males, 267 females; mean age 36.3±14.7 years; range 7 to 84 years) were examined to determine the prevalence of UP pneumatization and to assess any concurrent neighboring anatomical structures and the presence of maxillary sinusitis between January 2013 and June 2013...
July 2016: Kulak Burun Boğaz Ihtisas Dergisi: KBB, Journal of Ear, Nose, and Throat
https://www.readbyqxmd.com/read/27358818/prevalence-of-bony-septa-antral-pathology-and-dimensions-of-the-maxillary-sinus-from-a-sinus-augmentation-perspective-a-retrospective-cone-beam-computed-tomography-study
#15
Aditya Tadinada, Elnaz Jalali, Wesam Al-Salman, Shantanu Jambhekar, Bina Katechia, Khalid Almas
PURPOSE: Sinus elevation procedures have become a routine and reliable way to gain bone volume in the edentulous maxilla for dental implant placement. Presence of bony septations and pathology in the maxillary sinus often cause complications leading to graft or implant failure or both. The aim of this study was to retrospectively evaluate the prevalence of pathology, direction of the septa, and sinus width measured at 2 mm, 5 mm, and 10 mm from the sinus floor in maxillary sinuses using cone-beam computed tomography (CBCT)...
June 2016: Imaging Science in Dentistry
https://www.readbyqxmd.com/read/27063314/-cone-beam-ct-study-of-bone-septa-during-maxillary-sinus-lift-among-changzhou-population
#16
Min-zhen Chen, Yong-fu Xie, Hui Xie, Guo-hai Wang, Jia-cai He
PURPOSE: To observe the incidence, location, morphological characteristics of sinus septa among Changzhou population, and to investigate the relationship between maxillary posterior teeth loss and bony septum, and the guiding significance for sinus lift. METHODS: One hundred and twenty-four subjects were selected, the preoperative cone-beam CT (CBCT) data was analyzed by NNT software, which provided a three-dimensional measurement of the maxillary sinus septa. SPSS 13...
February 2016: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/26966702/evaluation-of-anatomic-variations-in-maxillary-sinus-with-the-aid-of-cone-beam-computed-tomography-cbct-in-a-population-in-south-of-iran
#17
Shoaleh Shahidi, Barbad Zamiri, Shahla Momeni Danaei, Setareh Salehi, Shahram Hamedani
STATEMENT OF THE PROBLEM: Anatomic variations of the maxillary sinus can be detected in cone-beam computed tomography (CBCT) and may assist to locate the posterior superior alveolar artery (PSAA) and define the maxillary sinus morphology more accurately for a more strict surgical treatment plan. PURPOSE: The study aimed to determine normal variations of the maxillary sinus with the aid of CBCT in a sample population in south of Iran. MATERIALS AND METHOD: This cross-sectional prevalence study was based on evaluation of 198 projection data of CBCT scans of some Iranian patients aged 18-45 who referred to a private oral and maxillofacial radiology center in Shiraz from 2011 to 2013...
March 2016: Journal of Dentistry
https://www.readbyqxmd.com/read/26866846/determination-of-the-prevalence-height-and-location-of-the-maxillary-sinus-septa-using-cone-beam-computed-tomography
#18
Shirin Sakhdari, Mehrdad Panjnoush, Anita Eyvazlou, Anoosheh Niktash
INTRODUCTION: Presence of the maxillary sinus septum would increase the risk of sinus membrane perforation during sinus floor elevation surgery. Three-dimensional radiographic techniques are recommended for the evaluation of the maxillary sinuses. MATERIALS AND METHODS: This cross-sectional study evaluated 946 maxillary sinuses using the cone beam computed tomography. Presence of septa, number, location, height, and orientation were evaluated and recorded in data forms...
June 2016: Implant Dentistry
https://www.readbyqxmd.com/read/26707431/analysis-of-the-morphology-of-maxillary-sinus-septa-on-reconstructed-cone-beam-computed-tomography-images
#19
COMPARATIVE STUDY
Liang Qian, Xiao-mei Tian, Li Zeng, Yao Gong, Bin Wei
PURPOSE: Preoperative assessment of maxillary sinus anatomy can prevent complications associated with sinus grafting or implant procedures. The purpose of this study was to measure the frequency, numbers, locations, orientations, and heights of maxillary sinus septa. MATERIALS AND METHODS: Reconstructed cone-beam computed tomographic images of 1,012 sinuses were analyzed using NewTom VG software (NNT 2.21, ImageWorks, Elmsford, NY). This cross-sectional study included patients who underwent radiography at the department of radiology...
April 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/26478970/an-analysis-of-frequency-morphology-and-locations-of-maxillary-sinus-septa-using-cone-beam-computed-tomography
#20
Michael M Bornstein, Carol Seiffert, Laura Maestre-Ferrín, Ivo Fodich, Reinhilde Jacobs, Daniel Buser, Thomas von Arx
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...
March 2016: International Journal of Oral & Maxillofacial Implants
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