نتایج جستجو برای: cone beam computed tomography cbct
تعداد نتایج: 398840 فیلتر نتایج به سال:
A right impacted mandibular third molar (IMTM) accidently displaced into the parapharyngeal space was dislodged successfully in only 5 minutes, with no sequel. Cone-beam computed tomography (CBCT) images were used to direct the removal. Five minutes is the shortest time having been reported. Considering that the event happens rarely, this report could add another case, and provide further refer...
Palatogingival groove is a rare developmental anomaly involving the lingual surface of the maxillary incisor and resulting in severe endodontic and periodontal lesions. This case report describes a multidisciplinary approach for the combined management of the endodontic and periodontal problems for successful rehabilitation of the involved tooth. Cone-beam computed tomography (CBCT) helped in c...
Tetrahedron beam computed tomography (TBCT) performs volumetric imaging using a stack of fan beams generated by a multiple pixel X-ray source. While the TBCT system was designed to overcome the scatter and detector issues faced by cone beam computed tomography (CBCT), it still suffers the same large cone angle artifacts as CBCT due to the use of approximate reconstruction algorithms. It has bee...
Successful clinical management of teeth with odontogenic anomalies is quite challenging. Fusion can be defined as a union of two separate tooth buds at some stage in their development. This case report describes a multidisciplinary approach involving endodontic and restorative considerations for a successful, functional and esthetic rehabilitation of fused tooth using cone beam computed tomogra...
Introduction: Incisive foramen in the maxilla is the oral terminus of the nasopalatine canal. This region is important in implantology, Therefore, the aim of this study was to investigate the neurovascular anatomical variations in the maxillary anterior region, observed on cone beam computed tomography (CBCT) images. Materials &Methods: In this cross-sectional study, maxillary CBCT ima...
Cross gender-age trabecular texture analysis in cone beam computed tomography Purposes: To investigate whether multiple texture features in different regions-of-interest (ROIs) on cone beam computed tomography (CBCT) are correlated with gender-age variation of trabecular patterns. Methods: CBCT volumes from 96 subjects were used. The data set was divided into four gender-age subgroups including...
introduction: coronal anatomic variations in permanent maxillary molars are unusual; conversely variations involving the number of root canals or number of roots are more common. methods and materials: this case report presents a successful nonsurgical endodontic therapy of left maxillary first molar with three roots and seven root canals. this unusual morphology was diagnosed using a dental op...
Dental implant and chin osteotomy are executed on the mandible body and the mental nerve is an important anatomical limit. The aim of this research was to know the position of the mental nerve loop comparing result in panoramic radiography and cone beam computed tomography. We analyzed 94 hemimandibles and the patient sample comprised female and male subjects of ages ranging from 18 to 52 years...
The aim of this study was to evaluate whether measurements performed on conventional frontal radiographs are comparable to measurements performed on three-dimensional (3D) models of human skulls derived from cone beam computed tomography (CBCT) scans and if the latter can be used in longitudinal studies. Cone beam computed tomography scans and conventional frontal cephalometric radiographs were...
OBJECTIVES Cone-Beam Computed Tomography is an alternative imaging technique which has been recently introduced in the field of Oral & Maxillofacial Radiology. It has rapidly gained great popularity among clinicians due to its ability to detect lesions and defects of the orofacial region and provide three-dimensional information about them. In the field of Endodontics, CBCT can be a useful tool...
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