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Register a new userChanges in Chin Morphology after Harvesting Bone Graft from the Symphysis Using Cephalometric Radiographs
تغيرات المظهر الخارجي لارتفاق الذقن بعد اقتطاع الطعوم العظمية منه بالاعتماد على الصور السيفالومترية
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Added by
Damascus University ورقة بحثية
Publication date
2011
fields
Dentistry
and research's language is
العربية
Created by
Shamra Editor
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إن امتصاص العظم السنخي في بعض الأحيان يكون معضلة تعيق غرس الزرعات السنية بالشكل المثالي، و من ثَم فإن حالات كهذه تتطلب إجراءات تطعيم عظمي خاصة تمكِّن من الحصول على نتائج جيدة. هدف هذا البحث إلى دراسة التغيرات الحاصلة في المحيط الخارجي لارتفاق الذقن بعد اقتطاع الطعم العظمي الذاتي منه بالاعتماد على الصور السيفالومترية.
Assessment the changes in chin morphology after harvesting bone graft from the symphysis using cephalometric radiographs.
References used
Joshi A. an investigation of of post-operation morbidity following chin graft surgery. British Dentl Journal.2004; 196: 215- 218
Jensen etal. Autogenous mandibular bone grafts and osseointegrated mplants for reconstruction of severely atrophied maxilla. A preliminary report. Journal of Oral and Maxillofacial Surgery.1991; 49: 1277- 1287
Balaji C.M. Management of deficientanterior maxillary alveolar with mandibular parasymphyseal bone grafts for implants. Implant Dent. 2002 : 11(4): 360-366
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Chin area is considered as a suitable donor site for autogenous bone grafts for
alveolar ridge reconstruction before dental implantation, using large trephine bur(10mm) considers one of
several ways which appeared for bone graft harvesting. The aim
of this search is to study radiographic
density changes following chin bone harvesting for dental implantology by using large trephine bur
depending on digital panoramic radiographs.
Chin area is considered as a suitable donor site for autogenous
bone grafts for alveolar ridge reconstruction before dental implantation.
Despite the common use of chin bone grafts, some neurosensory deficiency
of the of the lower lip, chin area ,
gingiva and lower anterior teeth may
occur.
Purpose: Evaluation of neurosensory deficiency of the lower lip, chin area ,
gingiva and lower anterior teeth following chin bone harvesting for
posterior mandibular alveolar ridge reconstruction.
The need to repair dentoalveolar atrophy and bone defects has resulted in
developing techniques and sources of graft materials، and the use of autogenous bone grafts continues to
represent the ‘gold standard’ in reconstructive surgery of the oral a
nd maxillofacial region.
This study aims to assessment the complications of autogenous bone harvesting from retromolar region of
mandible by trephine burs.
This study is undertaken to compare the upper and lower pharyngeal airways
width in subjects with Class I, Class II, and Class III malocclusion by McNamara analysis .
The common problem that may encounter surgeons were the change of the volume of iliac bone grafts which used in atrophic region in the alveolar bone because of the resorption of this grafts during healing period.
This study aimed to compare between
block graft which taken by surgical bur (trephine)and grafts which collected by bone scraper ,in this way the bone graft look like small chips .This study included 10 patients who presented the oral and maxillofacial department in dentistry faculty in Damascus university between 2010-2012 A.D. the patients suffered from sever atrophy in upper and lower alveolar bone for different underlying causes and needed to compromise these atrophy to create a suitable area for dental implantation .The iliac bone grafts were turned into a real bone in the grafted area but the block grafts were saving their volumes more than the grafts collected by bone scraper. We used Mann-Whitney U and SPSS to evaluate the data that collected during the research and the results revealed that the block iliac bone graft which used to compromise the atrophic region would resorb less than the grafts which collected by bone scraper . But these grafts showed that it would be more exposed after surgery than the bone scraper grafts .
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