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Register a new userChanges To The Radiographic Bone Density Of The Mental Bone Grafts Applied By Means Of Ring Technique With Simultaneous Dental Implantation
تغيرات الكثافة الشعاعية للطعوم العظمية الذقنية المطبقة بطريقة الحلقة مع زرع الأسنان المرافق
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هدف البحث: درسنا في بحثنا هذا تغيرات الكثافة العظمية الشعاعية للطعوم العظمية الذقنية المطبقة بطريقة الحلقة و ذلك بدءا من التطعيم و خلال 18 شهرا بعده و تأثير تجاور الطعوم الحلقية مع الأسنان على هذه التغيرات.
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.
References used
ACHAM, S, NORBERT, J 2012Perioperative Medikation bei zahnärztlich-chirurgischen EingriffenQuintessenz, Vol. 63(7). 917-929
BARONE, A,COVANI, U,CORNELINI, R, GHERLONE,E 2007 Radiographic bone density around immediately loaded oral implants: A case series Clin Oral Impl Res, Vol. 14(5). 610-615
BELL, R,BLAKEY, G, WHITE, R, et al 2002Stages reconstruction of the severely atrophic mandible with autogenous bone graft and endosteal implants J Oral MaxillofacSurg, Vol. 60
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Background& Objective: The reduction of alveolar crestal bone density is one of the earlier signs of periimplant
disease and precedes the loss of height of the alveolar crest, because of that early detection of the
small changes in density is impor
tant and lead to the early onset of treatment and increases its success's
percentage.
This study aimed to evaluate the ability of the direct conventional digital method in detection of density
changes around dental implants by the mean value of the gray level of the histogram of the selected area
comparing with radiographic subtraction method.
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.
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.
Soft laser applications continue to improve local bone mineral density which is considered the most important factor in dental implant success.
This study aims to evaluate the Trabecular to Cortical bone ratio (TCr) index -as a simple easy measureme
nt index- that expresses the bone mineral density. This is to be able to predict the success of dental implants.
The study included 40 patients, who had a single implant in the lower molar region. The patients are divided into two groups: 20 patients had an implant with a soft laser application, i.e. GaAlAs laser (wavelength 830 nm), and 20 patients had an implant without a soft laser application.
Ordinary Analog periapical radiographs were used with calibration Stepwedge of pure aluminum, a medical Dijora program was used to measure radiographically local bone density in the periapical radiographs, and a panoramic Tomography was made to study TCr and two bone density indices (thickness ratio x density ratio) and (equivalent Aluminium thickness). All were measured during the period before implantation and 3, 6, and 9 months after the implantation.
The study found a strong linear correlation between the TCr and (thickness ratio x density ratio) 0.001>P, R2= 0.842 36(r = 0.8. and equivalent Aluminium thickness(
0.001> P, R2 = 0.656735, (r = 0.8).
The study shows that TCr index expresses both radiographic indices which reflect the local bone density, which means that the TCr is associated with such density. Therefore, it can be used as an easy way to predict the quality of bone, and prognosticate the success of dental implants.
This prospective clinical trial aims to investigate the change of
alveolar ridge width after immediate implantation using tow
deferent techniques in expanding the alveolar ridge. In this
study, 12 patients (9 female,3 male) with narrow alveolar ri
dges
in the maxilla were treated. 20 dental implants were
immediately installed after the expansion procedures of the
selected narrow ridges , 10 implants with Bone Spreader
technique , and 10 implants with Bone Splitting technique .
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