A Randomised, Controlled, Clinical Trial of Conventional and Immediately Loaded Tapered Implants, With Screw-Retained Crowns to Resolve Single Tooth Loss.

Southern Implants, South Africa0 个研究点目标入组 28 人开始时间: 2005年10月18日最近更新: 2020年1月13日

适应症

试验速览

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•1) Able to understand and sign the informed consent form prior to starting of the study. 2) Able and willing to comply with all study requirements. 3) Adequate oral hygiene. 4) Adequate bone volume to accommodate the implant (implant lengths of 10-15mm; diameter of 2.5-4.0mm). 5) Good bone quality (class I-III) at the implant recipient site by radiographic assessment (Lekholm & Zarb 1985). 6) Recipient site for single implant in the anterior maxilla (Zone 1 or anterior portion of Zone 2). Patient may have one or two sites. Each site must have teeth mesial and distal to it. 7) Intention to be a long-term (minimum 5 years) resident of the Otago region, New Zealand. Able to participate in the trial and attend annual recalls.

•1) Heavy smoking or tobacco chewing2) History of alcoholism or drug abuse3) Severe bruxism or clenching habits4) Physical and/or mental disabilities, which will interfere with the maintenance of the implants5) Previous history of failed implant6) History of radiation treatment to the head and neck7) Undergoing chemotherapy8) Long-term therapy with steroids, immunosuppressants or biphosphates9) Insulin dependent and uncontrolled adult onset diabetic patients10) Chronic renal or liver disease11) Systemic and local bone disorders and pathology12) Serious cardiac and pulmonary disorders13) Haematological disorders14) High risk of developing bacterial endocarditis15) Immuno-compromised patient including HIV-positive16) Untreated periodontitis.

发起方

Southern Implants, South Africa