نتایج جستجو برای: maxillary sinus volume
تعداد نتایج: 382580 فیلتر نتایج به سال:
augmentation of the maxillary sinus is a highly predictable and effective procedure to increase bone volume in the posterior maxilla. Success rates are equal to or better than that of all implants placed in nongrafted maxillary bone in or out of the sinus. Consequently, even in situations where the interocclusal dimension is normal or only moderately increased due to loss of bone height, bone a...
Background: An in-depth knowledge of the physiology upper respiratory tract, as well developmental, clinical, and imaging anatomy maxillary sinus-in particular its relationship to dentition, nose, ethmoid frontal sinuses-is necessary for appreciating sinus's part in both health disease. To this end, study sought validate MDCT a volumetric tool assessing sinus size. Material methods: The volume ...
Homologous bone has been considered a viable alternative in bone reconstruction in the posterior maxillary area to perform surgeries for the maxillary sinus lifting. The aim of this study was to perform a literature review about the advantages and risks inherent in the use of homologous bone graft coming from the tissue bank to perform the surgery for maxillary sinus lifting. A literature revie...
Background and Objectives The topography of the sinus floor and its relationship with maxillary teeth roots varies with age, pneumatization size and grade, positioning of the teeth, and Genetics. This study used cone beam computed tomography (CBCT) to evaluate the distance between posterior teeth and the maxillary sinus floor in patients in Rafsanjan City, Iran. Materials and Methods This de...
BACKGROUND Oral breathing causes many changes in the facial anatomical structures in adult patients. In this study we aimed to determine the effects of long-term oral breathing (>5 years) on the maxillary sinus volumes among adult male patients. MATERIAL/METHODS We accessed medical records of 586 patients who had undergone cone beam computed tomography (CBCT) for any reason between September ...
Introduction: The horizontal bony canal in the lateral maxillary wall is the site of anastomosis between the arterial branches from the posterior superior alveolar artery (PSAa) and the infraorbital artery. This anatomic structure is known as the ‘alveolar antral artery’. Materials and Methods: We performed a literature review. The anatomic location of the alveolar antral artery in the latera...
PURPOSE The purpose of this study was to evaluate the clinical outcomes of patients undergoing sinus membrane elevation by a minimally invasive crestal approach using a novel drilling system. MATERIALS AND METHODS From May 2008 to November 2009, 21 implants were placed in 19 patients (10 men and 9 women) ranging from 23 to 69 years of age (average of 49.5 years). Implants were placed in maxil...
Introduction: When dealing with maxillary sinus pathology, some areas of the sinus remain difficult to examine. In this regard, the pre-lacrimal approach is a minimally invasive technique to reach anterolateral areas of the maxillary sinus while preserving the physiological nasal function. Materials and Methods: The present study aimed to provide technical hints relate...
Introduction: Comparison of the relationships and distance between maxillary root tips and the maxillary sinus floor using oral panoramic in the dolichocephalic and brachycephalic compared to mesocephalic individuals. Methods: Oral panoramic images from 300 individuals were analyzed and the relationships and distance between the maxillary root tips and the sinus floor was assessed by qualitat...
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