نتایج جستجو برای: furcation defect

تعداد نتایج: 95707  

Journal: :Journal of periodontology 2003
Myron Nevins Marcelo Camelo Marc L Nevins Robert K Schenk Samuel E Lynch

BACKGROUND Purified recombinant human platelet-derived growth factor BB (rhPDGF-BB) is a potent wound healing growth factor and stimulator of the proliferation and recruitment of both periodontal ligament (PDL) and bone cells. The hypothesis tested in this study was that application of rhPDGF-BB incorporated in bone allograft would induce regeneration of a complete new attachment apparatus, inc...

Journal: :American journal of veterinary research 1998
H C Bianucci M M Smith G K Saunders M S Reddy C F Cox L G Till B F Feldman

OBJECTIVE To determine the effects of autologous fibrinogen (AF) and absorbable barrier membrane (ABM) on periodontal healing of canine experimental grade-III furcation defects. ANIMALS 18 conditioned, laboratory-source, adult Beagles. PROCEDURE Defects were developed bilaterally at the second and fourth premolars and maintained for 12 weeks. Defects were treated with AF, ABM, AF and ABM, o...

Journal: :Pediatric dentistry 1989
D Ringelstein W K Seow

Accessory canals in the furcation region of primary molars provide pulpal-periodontal communications which have important clinical implications. This study of 75 extracted primary molars using dye penetration under vacuum suction showed that 42.7% have foramina located within the furcation region. There were no significant differences in the prevalence between the first and second primary molar...

Journal: :Journal of Dentistry and Oral Sciences 2021

Aim: The present study was carried out to compare clinically and radiographically the efficacy of regenerative potential Demineralizedfreeze-dried bone allograft (DFDBA) Bioactive glass putty (Novabone© dental putty) in mandibular grade II furcation defects. Methods: In 34 Patients, 60 defects were treated using DFDBA putty. 30 furcations DFDBA, while bioactive used treat remaining defect. Clin...

2015
Anuj Singh Parihar Vartika Katoch

The presence of furcation involvement is one clinical finding that can lead to a diagnosis of advanced periodontitis and potentially to a less favourable prognosis for the affected tooth or teeth. Furcation involvement therefore presents both diagnostic and therapeutic dilemmas. This review explains the vast aspects of furcation involvement in form of etiology, classification, diagnosis and dif...

Journal: :Pediatric dentistry 1988
D R Myers L C Durham C M Hanes J T Barenie R V McKinney

The purpose of this project was to characterize the histopathology of radiolucent furcation lesions associated with primary molars which had received pulpotomy treatment. Twenty-four pulpotomy-treated primary molars which displayed radiolucent lesions in the root furcation suggesting unsuccessful outcome were extracted. Pretreatment radiographs were available for 6 teeth and none had evidence o...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه دانشهای بنیادی (مرکز تحقیقات فیزیک نظری و - پژوهشکده علوم نانو 1392

among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...

2012
Andréa Marcia MARCACCINI Ângela PAVANELO Andressa Vilas Boas NOGUEIRA João Antonio Chaves de SOUZA Hélio Ferraz PORCIÚNCULA Joni Augusto CIRELLI

UNLABELLED Furcation involvement in periodontal disease has been a challenge for the dentist. OBJECTIVE The aim of this study was to investigate root dimensions in the furcation area of 233 mandibular first molars. MATERIAL AND METHODS Digital photomicrographs were used to obtain the following measurements on the buccal and lingual surfaces of each tooth: root trunk height (RT), horizontal ...

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