نتایج جستجو برای: implant
تعداد نتایج: 46634 فیلتر نتایج به سال:
Introdouction: The aim of the present study was to investigate image magnification in digital panoramic radiography and assess the effect of anatomical sites on the magnification in both males and females. Materials and methods: In this retrospective study, digital panoramic radiographs of 48 patients with 202 implants were investigated. Implant diameter and length were measured on pan...
Objectives: Dental anxiety can be potentially problematic. Anxiety must be controlled in highly anxious patients in order to ensure a smooth procedure and prevent potential complications. Awareness and reassurance are believed to be efficient for anxiety control in patients undergoing dental procedures especially dental implant treatment. This study sought to assess the effect of aware...
Background and Aims: Different mechanisms have been developed for connecting abutment to implant. One of the most popular mechanisms is Tapered Integrated Screw (TIS), which is a Tapered Interference Fit (TIF) with a screw integrated at the bottom of that. The aim of this study was to investigate the mechanism of TIS and effective factors in employing TIS during design and implementation proces...
1. Discuss the risks of placing implant-supported restorations in patients with aggressive periodontitis. 2. Detail the research conducted on implant success and failure in patients with aggressive periodontitis. 3. Identify the restorative options for patients with aggressive periodontitis. 4. Explain the proper implant maintenance protocol for patients at increased risk of implant complicatio...
The implant periapical lesion is the infectious-inflammatory process of the tissues surrounding the implant apex. It may be caused by different factors: contamination of the implant surface, overheating of bone during drilling, preparation of a longer implant bed than the implant itself, and pre-existing bone disease. Diagnosis is achieved by studying the presence of symptoms and signs such us ...
The aim of this study was to compare and evaluate strain distribution on dental implant, abutment, screw and crown virtual models in the posterior region. The analysis was performed by means of a 3D virtual model developed by the PRO-ENGINEER System (PRO-ENGINEER, PTC, Needham, MA, USA ) with an external butt joint (3i Implant Innovations, Palm Beach, Florida), square headed Gold Tite abutment ...
Surgical and prosthodontic implant complications are often the case of inadvertent improper diagnosis, planning, and placement. These complications always pose a significant challenge in implant dentistry. In this article, it is attempted to depict a new technique in which advanced software program along with newly developed CAD/CAM technology called rapid prototyping will be used. This technol...
Finite element analysis (FEA) has been used extensively to predict the biomechanical performance of various dental implant designs as well as the effect of clinical factors on implant success. By understanding the basic theory, method, application, and limitations of FEA in implant dentistry, the clinician will be better equipped to interpret results of FEA studies and extrapolate these results...
OBJECTIVE Tooth/implant supported fixed prostheses may present biomechanical design problems, as the implant is rigidly anchored within the alveolus, whereas the tooth is attached by the periodontal ligament to the bone allowing movement. Many clinicians prefer tooth/implant supported fixed prosthesis designs with rigid connectors. However, there are some doubts about the effect of attachment p...
Objectives: This study was to analyze factors that affect peri-implant bone loss around dental implants placed into alveolar cleft sites. Methods: Thirty-one patients with cleft lip and palate (total 46 implants) who underwent implant treatment following secondary bone graft to the alveolar cleft were included in this study. Evaluation at the peri-implant bone level was measured using standard ...
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