نتایج جستجو برای: titanium dental implants

تعداد نتایج: 240081  

2015
Shichong Qiao Huiliang Cao Xu Zhao Hueiwen Lo Longfei Zhuang Yingxin Gu Junyu Shi Xuanyong Liu Hongchang Lai

Dental implants with proper antibacterial ability as well as ideal osseointegration are being actively pursued. The antimicrobial ability of titanium implants can be significantly enhanced via modification with silver nanoparticles (Ag NPs). However, the high mobility of Ag NPs results in their potential cytotoxicity. The silver plasma immersion ion-implantation (Ag-PIII) technique may remedy t...

2017
Sadami TSUTSUMI Masatoshi TAKEUCHI

and porcelain-fused-to-metal restorations instead of gold or silver alloys. This tendency seems to be the same a]1 over the world, However, the expanded use of nickel-containing base metal alloys in dentistry has raised questions concerning their biological s fety, namely, carcinogenic and sensitivity risks.i) On the other hand, since pure titanium or titanium-based alloys have excellent biocom...

2016
Yoshiro Fujii

Dental implants have spread worldwide in dentistry. The risks and complications reported are limited to local issues. However, in this case, a patient complained of systemic symptoms after dental implantation. This case report aims to demonstrate that systemic symptoms such as lumbago, shoulder stiffness, neck pain, hip joint pain, and facial pain improved after the removal of wellosseointegrat...

Journal: :European cells & materials 2013
S G Yan J Zhang Q Tu J H Ye E Luo M Schuler M M Dard Y Yu D Murray D L Cochran S H Kim P Yang J Chen

Titanium implants are widely used in dental clinics and orthopaedic surgery. However, bone formation surrounding the implant is relatively slow after inserting the implant. The current study assessed the effects of bone marrow stromal cells (BMSCs) with forced expression of special AT-rich sequence-binding protein 2 (SATB2) on the osseointegration of titanium implants. To determine whether SATB...

2011
Seung-Il Song Sung-Jae Park Sang-Bum Bae Su-Kyoung Kim Tae-Gwan Eom

With regards to their biological and physiochemical properties, titanium-based biomaterials have been successfully used in orthopaedic, dental and maxillo-facial surgery mainly as endosseous implants. The early osseointegration of titanium dental implants is an important factor for their clinical success. The implant loading to bone is influenced by various factors, including surface chemistry,...

2012
Greison Rabelo de Oliveira Leandro Pozzer Lucas Cavalieri-Pereira Paulo Hemerson de Moraes Sergio Olate Jose Ricardo de Albergaría Barbosa

PURPOSE Several parameters have been described for determining the success or failure of dental implants. The surface properties of transgingival implant components have had a great impact on the long-term success of dental implants. The purpose of this study was to compare the tendency of two periodontal pathogens to adhere to and colonize zirconia abutments and titanium alloys both in hard su...

Journal: :The International journal of oral & maxillofacial implants 2002
Su-Gwan Kim Chae-Heon Chung Young-Kyun Kim Joo-Cheol Park Sung-Chul Lim

PURPOSE To evaluate the effect of particulate dentin-plaster of Paris with and without platelet-rich plasma (PRP) on bone healing and new bone formation around titanium dental implants in a canine model. Histologic sections and histomorphometric analysis of the defects were obtained at 6 and 12 weeks after surgery. MATERIALS AND METHODS Three circular bone defects were surgically prepared in ...

E Jalalian, S Koosha, S Safari, S Zandrahimi,

Background and Aim: Dental implants with angled abutments are often inserted in the anterior maxillary region due to the status of the residual ridge and aesthetic considerations. The purpose of this study was to assess stress and strain distributions in the premaxillary bone around dental implants by means of finite element analysis (FEA). Materials and Methods: Four three-dimensional (3D) fi...

Journal: :The journal of contemporary dental practice 2014
Ali M El-Sheikh Omar F Shihabuddin

BACKGROUND The use of endosseous dental implants has led to more sophisticated fxed options when considering treatment of patients with distal extensions. The use of narrow-diameter implants may reduce the necessity for bone augmentation. The mechanical strength of titanium is limited, so titanium alloys with greater tensile and fatigue strength may be preferable. PURPOSE The purpose of this ...

2015
Reham B. Osman Michael V. Swain

The goal of the current publication is to provide a comprehensive literature review on the topic of dental implant materials. The following paper focuses on conventional titanium implants and more recently introduced and increasingly popular zirconia implants. Major subtopics include the material science and the clinical considerations involving both implant materials and the influence of their...

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