نتایج جستجو برای: mini implant
تعداد نتایج: 77423 فیلتر نتایج به سال:
Methods: Three different methods for partial canine retraction were evaluated: retraction with elastic chain directly attached to bracket; elastic chain connected to bracket hook and with sliding jig activated with the aid of an elastic chain attached to a mini-implant. For this evaluation, a Typodont was adapted to simulate the desired movements when exposed to a heat source. After obtaining t...
Purpose The objective of this systematic review was to compare the antero-posterior, vertical and angular changes of maxillary incisors with conventional anchorage control techniques and mini-implant based space closure methods. Materials and Methods The electronic databases Pubmed, Scopus, ISI Web of knowledge, Cochrane Library and Open Grey were searched for potentially eligible studies usi...
Objective: This study aimed at evaluating the design and dimensions of five different brands of orthodontic mini-implants, as well as their influence on torsional fracture strength. Methods: Fifty mini-implants were divided into five groups corresponding to different manufactures (DEN, RMO, CON, NEO, SIN). Twenty-five mini-implants were subjected to fracture test by torsion in the neck and t...
Introduction: Knowledge of the safe zone mini-implant placement guides clinicians in choosing where to place mini-implants. Several studies evaluated for mini-implants placement, but only a very few previous have taken different skeletal patterns into account when assessing measurements. Objective: The purpose this cross-sectional, comparative study was compare inter-radicular distance and bucc...
Implant retained mandibular overdentures are a successful treatment option for the edentulous patients with long-term predictable outcomes, using conventional loading protocols. In recent year modified loading protocols such as immediate loading have been introduced. These loading protocols showed good clinical results with favorable peri-implant tissue response after implant insertion. However...
The field of orthodontia has been witnessing numerous reforms in terms treatment modalities through the years, under which concept absolute anchorage employing mini-implants can be well subsumed. usage orthodontic bone screws witnessed growing popularity and deemed to revitalize management complex malocclusions. Orthodontic are larger diameter (2 mm) comparison with average mini-implant placed ...
Introduction: The purpose of this preliminary study was to evaluate the periodontal condition of intruded molars in various phases of treatments. Methods: 30 patients with at least one overerupted upper first molar were selected. Upper molar bands with brackets were cemented. Two miniscrews were placed in the mesiopalatal and mesiobuccal aspect of the aforementioned teeth. A titanium molybdenum...
BACKGROUND Carbonated hydroxyapatite (CHA) and related calcium phosphates have been studied for many years as implant materials due to their similarity with the mineral phase of bone. The main limitation of CHA ceramics as well as other bioactive materials is that they have poor mechanical proprieties. It is thought that the mechanical device can cause an increase in metabolic activity and bone...
BACKGROUND The relationship between brain and prosthesis was previously assessed either by improving denture function or in fixed implant retained, wherein brain function was assessed only after crown placement. PURPOSE To prospectively analyze the changes in brain activity and cognitive function of completely edentulous patients in edentulous state, with dentures and two-implant supported ma...
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