نتایج جستجو برای: روش gtr
تعداد نتایج: 370291 فیلتر نتایج به سال:
هدف از انجام این بررسی ارزیابی کلینیکی کارایی یک نوع غشا با ترکیب پلی اورتان در روش درمانی gtr) guided tissue regeneration) به منظور درمان ضایعات داخل استخوانی پریودنتال و مقایسه آن به روش درمانی فلپ کورتاژ بوده است. 10 بیمار هر یک با دو ضایعه داخل استخوانی و با تشخیص پریودنتیت بالغین مورد درمان قرار گرفتند. پس از گذشت 4 هفته از مرحله اول درمان، یکی از ضایعات بطور اتفاقی به عنوان گروه آزمایش و ...
BACKGROUND Open-label 15-month follow-up of the double-blind, placebo-controlled Glatiramer Acetate clinical Trial to assess Equivalence with Copaxone® (GATE) trial. OBJECTIVE To evaluate efficacy, safety, and tolerability of prolonged generic glatiramer acetate (GTR) treatment and to evaluate efficacy, safety, and tolerability of switching from brand glatiramer acetate (GA) to GTR treatment....
Background and Aim: Increasing patient demands for esthetic, put the root coverage procedures in particular attention. Periodontal regeneration with GTR based root coverage methods is the most common treatment used. The purpose of this study was to compare guided tissue regeneration (GTR) with collagen membrane and a bone graft, with sub-epithelial connective tissue graft (SCTG), in treatment o...
In plants, algae, and most bacteria, the heme and chlorophyll precursor 5-aminolevulinic acid (ALA) is formed from glutamate in a three-step process. First, glutamate is ligated to its cognate tRNA by glutamyl-tRNA synthetase. Activated glutamate is then converted to a glutamate 1-semialdehyde (GSA) by glutamyl-tRNA reductase (GTR) in an NADPH-dependent reaction. Subsequently, GSA is rearranged...
BACKGROUND Indications for external beam radiation therapy (EBRT) for atypical meningiomas (AMs) remain unclear. OBJECTIVE To analyze features associated with recurrence in AM patients after gross total resection (GTR) and to assess the relative benefit of EBRT in a retrospective cohort study. METHODS One hundred fifty-one primary AMs after GTR (88 female patients; median follow-up, 45.0 mo...
delta-Aminolevulinic acid, the biosynthetic precursor of tetrapyrroles, is synthesized from glutamate via the tRNA-dependent five-carbon pathway in the green sulfur bacterium Chlorobium vibrioforme. The enzyme glutamyl-tRNA reductase (GTR), encoded by the hemA gene, catalyzes the first committed step in this pathway, which is the reduction of tRNA-bound glutamate to produce glutamate 1-semialde...
Guided Tissue Regeneration (GTR) is the most recent and common method for regeneration of class II forcation molars. However, it requires membrane, which seems expensive for most of the patients. In order to overcome this problem, Coronally Position Flap (CPF) procedure may be applied which arresting the epithelial cell down growth, follow the same aim. This study is aimed to compare GTR techni...
INTRODUCTION The use of guided tissue regeneration (GTR) techniques has been proposed as an adjunct to endodontic surgery in order to promote bone healing. Studies assessing the added benefits of GTR for the outcome of endodontic surgery are significantly variable in their treatment protocols, follow-up periods, and inclusion criteria, thus generating inconsistent and confusing results. The aim...
Guided tissue regeneration (GTR) with bioabsorbable collagen membranes (CM) is commonly used for the treatment of periodontal defects. The objective of this systematic review of randomized clinical trials was to assess the clinical efficacy of GTR procedures with CM, with or without bone substitutes, in periodontal infrabony defects compared with that of open flap debridement (OFD) alone. Prima...
زمینه و هدف: امروزه به علت افزایش تقاضای بیماران برای تأمین حداکثر زیبایی، پوشش سطح عریان ریشه، اهمیت ویژه ای پیدا کرده است. از میان تکنیک های ارائه شده، بیشترین احتمال بازسازی انساج پریودنتال با استفاده از اصول (gtr) guided tissue regeneration اتفاق می افتد. مطالعه حاضر با هدف مقایسه بالینی روش gtr-based root coverage با غشای کلاژنه و پیوند استخوان و روش (sctg) subepithelial connective tissue ...
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