نتایج جستجو برای: mandibular

تعداد نتایج: 25049  

ژورنال: Anatomical Sciences Journal 2003
Akhavast, Hosein, Eftekhar Vaghefi, Seyyed Hassan, Rayegan, Seyyed Parviz,

Purpose: In this investigation, we tried to evaluate mandibular. and facial growth and study their relationship. Materials and Methods: Using cluster sampling, 2200 subjects (1100 boys and 1100 girls) of different age-groups (0, 1, 3, 5, 7, 10, 12, 14, 16, 18 and 20 years) from vairous social groups were studies. Twins, cases with musculoskeletal disturbances, etc. Were excluded. We used comop...

2013
Jun-Beom Park NamRyang Kim Seojin Park Yoonji Kim Youngkyung Ko

OBJECTIVE The purpose of this study was to investigate the root/number of roots and morphology of mandibular premolars and molars in a Korean population, and to evaluate the prevalence of three-rooted mandibular first molars having distolingual (DL) roots, three-rooted mandibular second molars, and C-shaped roots in mandibular second molars. METHODS Serial axial cone-beam computed tomography ...

Journal: :Journal of endodontics 2004
Allan S Deutsch Barry Lee Musikant

The aim of this in vitro study was to measure critical morphology of molar pulp chambers. One hundred random human maxillary and mandibular molars (200 teeth in total) were used. Each molar was radiographed mesiodistally on a millimeter grid. Using a stereomicroscope, the measurements were read to the nearest 0.5 mm. Results were as follows (mean, mm): pulp chamber floor to furcation, maxillary...

Background and Objectives: The presence of bifid mandibular canals are among the anatomical variations in the inferior mandibular canals. Lack of attention to these canals can lead to complications, such as anesthesia and bleeding during dental treatments. This study aimed to investigate the prevalence of bifid canals and its relationship with the position and width of the main canal in the pop...

Journal: :Head & neck 2007
Young Kim Jesse Smith Joel A Sercarz Christian Head Elliot Abemayor Keith E Blackwell

BACKGROUND : The outcome of patients undergoing rigid plate fixation of symphyseal mandibular osteotomies for exposure, resection, and reconstruction of tumors in the oral cavity or oropharynx was analyzed to determine the impact of hardware selection on complications. METHODS : Forty-five patients underwent titanium plate rigid internal fixation of mandibular osteotomies during cancer resect...

2014
Yanqi Yang Chong Ren

Although functional appliances have been widely adopted for clinical modulation of mandibular growth for nearly a century, the underlying regulatory mechanism of mandibular condyle growth have been under investigation. Over these years, studies have been focused on both the natural growth of mandibular condyle and its growth modulation by functional appliances at cellular and molecular levels. ...

2015
Ahmed M. S. Hegazy Ahmed Bakr

The form and size of the human mandible is subject to considerable variation from the accepted normal. One of the more interesting and rewarding aspects of oral surgery is the operative correction of the Mandibular abnormalities, the category of malformation into which the mandibular deformity falls. In this study we reviewed more than 30 articles to clarify the mandibular prognathism with its ...

Journal: :journal of dentomaxillofacil radiology, pathology and surgery 0
leila atash biz yeganeh department of endodontics, faculty of dentistry, guilan university of medical sciences, rasht, iran.

human mandibular premolars have earned the reputation for having an extremely complex root and root canal morphology. the incidence of multiple roots and canals in mandibular second premolars is lower than those in mandibular first premolars. mandibular second premolars with three root canals and separate foramina are very rare. in this case report, endodontic management of a three-rooted mandi...

Journal: :International endodontic journal 2011
R Zhang H Wang Y-Y Tian X Yu T Hu P M H Dummer

AIM To evaluate the root canal configuration of permanent mandibular first and second molar teeth in a Chinese subpopulation using cone-beam computed tomography (CBCT). METHODOLOGY Patients who required CBCT radiographic examinations as part of their routine examination, diagnosis and treatment planning, were enrolled. Cases where the anatomy was compromised by physiological or pathological p...

2008
M. Oğuz BORAHAN Birsay Gümrü TARÇIN Filiz PEKİNER

ÖZET Bifid mandibular condyle (BMC) is a rare condition that is frequently diagnosed as an incidental finding in a panoramic radiograph, yet usually with no significant complaints or clinical features, such as pain or restricted movements. In this case report, bilateral bifid mandibular condyle in a 61-year old woman who referred to Marmara University, Department of Oral Diagnosis and Radiology...

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