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Register a new userClinical and Radiographic (by CBCT) Study of Harvesting the Autogenous Bone Grafts from Retromolar Region by Trephine Burs
دراسة سريرية و شعاعية بال CBCT لأخذ الطعوم العظمية الذاتية من المنطقة خلف الرحوية باستخدام السنابل المنشارية
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إن الحاجة إلى ترميم الارتفاع السنخي الضامر و العيوب العظمية أدى إلى تطوير تقنيات و مواد الطعوم العظمية، و مازالت الطعوم العظمية الذاتية تعد المعيار الذهبي في الجراحة الترميمية في منطقة الفم و الوجه و الفكين. هدف هذا البحث إلى تقييم الاختلاطات السريرية و الشعاعية باستخدام التصوير المطقعي المحوسب (CBCT) لتقنية أخذ الطعوم العظمية الذاتية من المنطقة خلف الرحوية في الفك السفلي باستخدام السنابل المنشارية.
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 and maxillofacial region. This study aims to assessment the complications of autogenous bone harvesting from retromolar region of mandible by trephine burs.
References used
Barone A, Covani U. Maxillary Alveolar Ridge Reconstruction With Nonvascularized Autogenous Block Bone: Clinical Results. J Oral Maxillofac Surg 2007; 65: 2039-2046
Oikarinen et al. Augmentation of the narrow traumatized anterior alveolar ridge to facilitate dental implant placement. Dental Traumatology 2003; 19: 19–29
Bacci et al. Intra-oral bone harvesting: two methods compared using histological and histomorphometric assessments. Clin Oral Impl Res 22، 2011; 600–605
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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.
Is the changing of biomechanics between the tooth and implant affected on the
homogeneity of bone surrounding the tooth and implant connected with fixed prosthesis. the aim of the
study is to study the connection of bone area in both sides (mesial&distal) of tooth & implant connected
with bridge(in the form of rigid or non-rigid connection) during one year of radial observation of
radiographic bone density.
The aim of this clinical study Was to Evaluation success
rate of the Bone Augmentation With Simultaneous Dental
Implantation using Autogenous Bone Block In Patients With
Atrophic Alveolar Ridges .
The study was contained 6 cases were augmented Wi
th
Simultaneous Dental Implantation by applying Autogenous
Bone Block technique The height and width was measured by
using computerized tomographic C T scan before and after
the surgical operation and also resorption after six months.
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 .
Aim of the Study: To evaluate the changes to the radiographic
bone density of the mental bone grafts applied in terms of ring
technique until 18 months post operatively and to evaluate the
effect of the adjacency of neighboring teeth.
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