نتایج جستجو برای: implants

تعداد نتایج: 55116  

Journal: :The International journal of oral & maxillofacial implants 1996
I Barzilay G N Graser B Iranpour H M Proskin

Immediate implants have the advantages of few surgical exposures, short treatment time, and maintenance of alveolar bone height and width. The purpose of this study was to compare immediate implants with conventional implants (implants placed into ossified extraction sites) in adult monkeys. Forty-eight implants were placed and allowed to heal for a 6-month period. Following a 7-month loading p...

2016
Kyung-In Jeong Young-Kyun Kim Sang-Woon Moon Su-Gwan Kim Sung-Chul Lim Pil-Young Yun

The purpose of this study is to evaluate the degree of osseointegration of resorbable blasting media (RBM) surface implants retrieved from humans. Three implants in the mandibular molar region that were surface-treated with RBM were retrieved from two patients. The implants were used to manufacture specimens in order to measure the bone-implant contact (BIC) ratio. The BIC ratios of the three i...

آریامنش, حافظ, خالصی, میثم, فردمال, جواد, فلاحی, سامان, فیروز, فرناز, موسوی, سحر, حیدری, بیژن ,

Introduction & Objective: Study of bone quality before treatment is very important. The aims of this study were to assess bone quality with density values obtained by cone-beam computed tomography (CBCT) and to determine the correlations between bone density and primary stability of dental implants. Materials & Methods: In this experimental in vitro study 32 implants were inserted into fresh ...

A. Saatchi and V. Mortazavi, GH. Feizi, GH. Gahanshahi, M. H. Fathi, M. Salehi, SB. Moosavi,

Hydroxyapatite coatings have been used on metallic substrates in a variety of applications, including modifying the surface of human implants, bone osseointegration and biological fixation. In this paper, the effects of various kinds of metallic substrate on clinical and pathological results of in vivo tests are presented. Four kinds of endodontic implants i.e, stainless steel, cobalt base all...

A. Saatchi and V. Mortazavi, GH. Feizi, GH. Gahanshahi, M. H. Fathi, M. Salehi, SB. Moosavi,

Hydroxyapatite coatings have been used on metallic substrates in a variety of applications, including modifying the surface of human implants, bone osseointegration and biological fixation. In this paper, the effects of various kinds of metallic substrate on clinical and pathological results of in vivo tests are presented. Four kinds of endodontic implants i.e, stainless steel, cobalt base all...

Journal: :Clinical oral implants research 2003
Martin Lorenzoni Christof Pertl Kehao Zhang Walther A Wegscheider

According to the Brånemark protocol, a stress-free healing period is one of the most emphasised requirements for implant integration. Recent studies have encouraged a progressive shortening of the healing period and immediate loading has been proposed for the edentulous mandible. This prospective study evaluated the clinical outcomes of 14 immediately loaded FRIALIT-2(R) implants compared with ...

Journal: :The International journal of oral & maxillofacial implants 2004
Werner Zechner Nina Trinkl Georg Watzak Dieter Busenlechner Gabor Tepper Robert Haas Georg Watzek

PURPOSE In this retrospective study, marginal peri-implant bone height around machined and sandblasted/acid-etched interforaminal implants in the mandible was evaluated radiologically at least 3 years after functional loading. MATERIALS AND METHODS Fifty-one patients, each with 4 interforaminal screw-type implants placed between 1994 and 1998, were included in this study. Of these, 36 patient...

Journal: :Clinical oral implants research 2013
Tomas Linkevicius Algirdas Puisys Egle Vindasiute Laura Linkeviciene Peteris Apse

OBJECTIVES The purpose of this study was to determine the relationship between patients with a history of periodontitis and development of cement-related peri-implant disease. MATERIALS AND METHODS Seventy-seven patients with 129 implants for this retrospective analysis were selected from completed implant cases that were scheduled for regular maintenance or had experienced mechanical or biol...

Journal: :Journal of biomedical materials research 1997
H Caulier J P van der Waerden J G Wolke W Kalk I Naert J A Jansen

Various studies already have shown that the occurrence of oral implant failure is higher in the maxilla than in the mandible. To learn whether Ca-P coatings can improve the success rate of oral implants in the maxilla, three different plasma-sprayed, Ca-P-coated, self-tapping Brånemark implants were inserted in the trabecular bone of the maxilla. Before the insertion of the implants, the two fi...

Journal: :The International journal of oral & maxillofacial implants 2011
Paul A Schnitman Jae W Hwang

PURPOSE This study was undertaken to assess the predictive usefulness of preoperative bone density, as measured by computed tomography (CT), and the intraoperative implant stability measures of insertion torque (IT), Periotest values (PTV), and resonance frequency analysis (ie, implant stability quotient [ISQ]) toward developing an algorithm for successful immediate loading, one-step exposure, ...

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