نتایج جستجو برای: crestal bone loss
تعداد نتایج: 727326 فیلتر نتایج به سال:
Crestal approach for maxillary sinus augmentation procedure using reamer mediated crestal sinus floor elevation with simultaneous implant placement is introduced as a new technology, instruments and surgical technique to help clinician ensure the best result with non invasive technique and satisfy the patient expectations. Although there is still controversy regarding the necessity of simultane...
This 3D finite element study assessed the stress distribution in mandibular overdenture supported by the 3i Locator system attached to two cylindrical or conical implants placed at the canine region. A 100 N vertical load was applied over the right first molar of the two overdenture models. The von Mises stresses were concentrated at the cervical and middle implant thirds. Cylindrical implants ...
The objective of this study was to compare the alveolar bone growth in the 2 sides of the maxillary sinus after bilateral sinus lift procedures were performed with the simultaneous placement of dental implants in 20 consecutive patients. After elevation of the Schneiderian membrane, one side had only platelet-rich plasma (PRP) gel applied, while the other had placed only alloplastic graft mater...
PURPOSE The aim of this multicenter retrospective clinical study was to evaluate the survival rate of implants placed in the posterior maxilla with a residual bone height of <5 mm. MATERIALS AND METHODS One hundred seventeen patients, recruited from 6 different centers, had 134 implants placed below the maxillary sinus. The patient population consisted of 52 men and 65 women ranging in age fr...
This case series evaluated the clinical efficacy of autogenous tooth bone graft material (AutoBT) in alveolar ridge preservation of an extraction socket. Thirteen patients who received extraction socket graft using AutoBT followed by delayed implant placements from Nov. 2008 to Aug. 2010 were evaluated. A total of fifteen implants were placed. The primary and secondary stability of the placed i...
OBJECTIVES This work has utilized laser direct writing to produce 10 microns wide uniform grooves on the surface of custom made titanium (Ti-6Al-4V) dental implants, and the tri-peptide RGD coating to produce a micromechanical and a chemical union with the tissues around the implant crest module and minimize crestal bone loss. The aim of this study was to follow these implants radiographically ...
OBJECTIVES To address the following focused question: What is the impact of implant-abutment configuration and the positioning of the machined collar/microgap on crestal bone level changes? MATERIAL AND METHODS Electronic databases of the PubMed and the Web of Knowledge were searched for animal and human studies reporting on histological/radiological crestal bone level changes (CBL) at nonsub...
PURPOSE To review published articles dealing with platform switched implants in order to assess survival rates and clarify their influence both on marginal bone loss around the cervical region of the implant and on soft tissue aesthetics. MATERIAL AND METHODS PubMed and GallileUM databases were used to identify any studies or clinical cases involving implant platform switching published betwe...
BACKGROUND The goal of this study was to retrospectively evaluate the prognosis of minimal invasive horizontal ridge augmentation (MIHRA) technique using small incision and subperiosteal tunneling technique. METHODS This study targeted 25 partially edentulous patients (10 males and 15 females, mean age 48.8 ± 19.7 years) who needed bone graft for installation of the implants due to alveolar b...
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