نتایج جستجو برای: bone thickness

تعداد نتایج: 408475  

2014
Amin Rahpeyma Saeedeh Khajehahmadi Parvin Amini

INTRODUCTION Knowledge of the presence of the alveolar antral artery in the lateral maxillary sinus wall is essential for surgeons who operate in this region. The purpose of this study was to investigate the correlation between alveolar antral artery diameter and lateral maxillary bony wall thickness in dentate patients. MATERIALS AND METHODS Thirty five Cone-Beam Computed Tomography (CBCT) s...

2017
Ozkan Adiguzel Ceren Aktuna Belgin Seda Falakaloglu Suzan Cangul Zeki Akkus

BACKGROUND The aim of this study was to measure the distance between the maxillary premolar and molar teeth apices to the buccal cortical bone and evaluate differences in gender and age group, using cone beam computed tomography (CBCT). MATERIAL AND METHODS This retrospective study comprised of 451 premolar and molar teeth of one hundred and thirteen patients who were admitted to Dicle Universi...

Journal: :Osteoarthritis and cartilage 2003
E B Hunziker I M K Driesang

OBJECTIVE Induction of growth-factor-based repair in full-thickness articular cartilage defects can be impaired by the upgrowth of blood vessels and new bone into the cartilaginous compartment. We postulated that if an antiangiogenic factor (suramin) is included in the chondrogenic matrix applied to the cartilaginous compartment of a full-thickness defect, vascular upgrowth and therefore bone f...

2013
Jo-Eun Kim Jae-Myung Shin Sung-Ook Oh Won-Jin Yi Min-Suk Heo Sam-Sun Lee Soon-Chul Choi Kyung-Hoe Huh

PURPOSE This study was performed to analyze human maxillary and mandibular trabecular bone using the data acquired from micro-computed tomography (micro-CT), and to characterize the site-specific microstructures of trabeculae. MATERIALS AND METHODS Sixty-nine cylindrical bone specimens were prepared from the mandible and maxilla. They were divided into 5 groups by region: the anterior maxilla...

2013
Roberto Di Bari Roberto Coronelli Andrea Cicconetti

PURPOSE This study was performed to obtain a quantitative evaluation of the cortical and cancellous bone graft harvestable from the mental and canine regions, and to evaluate the cortical vestibular thickness. MATERIALS AND METHODS This study collected cone-beam computed tomographic (CBCT) images of 100 Italian patients. The limits of the mental region were established: 5 mm in front of the m...

Journal: :Dental press journal of orthodontics 2013
Paulo Roberto Barroso Picanço Fabricio Pinelli Valarelli Rodrigo Hermont Cançado Karina Maria Salvatore de Freitas Gracemia Vasconcelos Picanço

OBJECTIVE To compare, through computed tomography, alveolar bone thickness changes at the maxillary incisors area during orthodontic treatment with and without tooth extraction. METHODS Twelve patients were evaluated. They were divided into 2 groups: G1--6 patients treated with extraction of right and left maxillary first premolars, with mean initial age of 15.83 years and mean treatment leng...

Journal: :European cells & materials 2006
M H Bünger M Foss K Erlacher H Li X Zou B L Langdahl C Bünger H Birkedal F Besenbacher J S Pedersen

Bone sections including either titanium or porous tantalum implant devices used for interbody spinal fusion were investigated with position-resolved small angle X-ray scattering (sSAXS). The samples were obtained from six-month-old pigs that had undergone surgery three months prior to sacrifice. The aim of the study was to explore the possibility of using sSAXS to obtain information about thick...

Journal: :Archives of otolaryngology--head & neck surgery 2000
M J Citardi S Hardeman C Hollenbeak M Kokoska

OBJECTIVE To develop a computer-enabled paradigm for assessment of bony nasal pyramid dimensions. DESIGN Retrospective review of archived computed tomographic data. SETTING Tertiary level academic center. PATIENTS Patients who had undergone computed tomographic scans for computer-aided transsphenoidal hypophysectomy were included. Previous nasal surgery, inflammatory sinus disease, and do...

Journal: :Clinical oral implants research 2015
Taichiro Morimoto Yoshihiro Tsukiyama Keizo Morimoto Kiyoshi Koyano

OBJECTIVES The purpose of this cone beam computed tomography (CBCT) study was to describe the facial bone changes around single implants for immediate placement and provisionalization following tooth extraction in the maxillary anterior. MATERIAL AND METHODS The data between 2008 and 2013 were collected retrospectively. Superimposed facio-palatal cross-sectional CBCT images for the implants w...

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