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Register a new userتأثير الليزر اللين على ثبات الزرعات السنية ( دراسة سريرية )
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Damascus University رسالة ماجستير
Publication date
2015
fields
Dentistry
and research's language is
العربية
Created by
Shamra Editor
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تم استخدام العديد من الطرق لتحسين ثبات الزرعة مع ذلك توجد دلائل غير كافية لدعم العلاقة بين المعالجة بالليزر اللين وثبات الزرعة
No English abstract
References used
Albrektsson, T & Johansson C. 2001 . Osteoinduction osteoconduction and osseointegration. Eur Spine J, 10 Suppl 2
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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.
Objective: The purpose of this randomized، double-blind،controled trial was to
evaluate the clinical and radiographic effects of 0.12% chlorhexidine digluconate gel on
peri-implant (hard and soft tissues surrounding the implant) maintenance.
Mater
ial and methods: Forty patients (80 implants) who received two implants at
least were randomly assigned to two groups: 0.12% chlorhexidine digluconate gel as test
group، and placebo without CHX as control group. Clinical and radiographic parameters
were recorded at day 10، month 2، 4، and 6.
Results: All clinical parameters except PPD showed better results in test group which
had statistically significant reductions (P< 0.05) in modified plaque index، modified
gingival index، modified bleeding index and attachment level compared to the placebo
group. There were no significant differences between groups in probing pocket depth or
radiographic parameter.
Conclusions: The results of this clinical study indicate that twice daily use of 0.12%
chlorhexidine digluconate gel may enhance the peri-implant maintenance.
the density of bone having an obvious effect on the osseointegration and the
success of the dental implants. The aim of the present study is to evaluate the effect of different bone
qualities on the values and distribution of stresses at the bone – impla
تأثير تقنية الطبعة النهائية للنتوء السنخي المتبقي المسطح على ثبات التعويض السني الكامل المتحرك ( دراسة سريرية )
Although the use of Soft Laser appliances has become common in dental
practice especially in the field of oral and maxillofacial surgery as an
important method for controlling the edema that may occur after oral and
maxillofacial surgery (as said
by the manufacturing companies ),there
are just a few neutral researches that deal scientifically with this subject, so
that is our motive to do in this research .In this study, and between May
1996 and May 2003, 80 patients were carefully selected so 160 lower third
molars were surgically extracted , the soft laser was applied on the left side
and after that the results compared with the results of the right side
operations which were not subjected to any method for controlling edema.
The results were disappointing and the great advantages that were
confirmed by the manufacturing companies were not true while the neutral
comparative research emphasized that the usage of Soft laser treatment has
no magical effect in reducing or preventing the occurrence of severe edema
after the surgery of impacted lower third molars , so we want to warn every
dentist to be careful when reading a research sponsored by the
manufacturing companies of Soft laser appliances.
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