Aim: This study evaluated the influence of a wide diameter on extra-short dental implant stress distribution as retainer for single implant-supported crowns in atrophic mandible posterior region under axial and oblique load. Methods: Four 3D digital casts an mandible, with implant-retained crown 3:1 crown-to-implant ratio, were created finite element analysis. The used was either 4 mm (regular)...

introduction: surface roughness can increase the retention of castings by ridges and grooves that are microretentive. this study compared the retention of implant-supported crowns when used with 3 different surface roughness abutments and one temporary cement. methods: thirty solid abutments (iti), 4 mm high, were divided into three groups randomly. in the first group, 10 abutments were roughen...

background and aims. in contrast to prepared natural dentin abutments, little is known concerning factors influencing the retention of fixed prostheses cemented to implant abutments. the aim of this study was to investigate the effect of implant abutment height on the retention of single castings cemented to wide and narrow platform implant abutments. materials and methods. thirty-six parallel-...

This paper presents the results of numerical modeling using the finite element method of three implants. Geometric models of individual parts of the analyzed system (implant, abutment and screw) and the standard models of the bone and the crown were built in the Ideas NX environment. On the basis of real geometric models the fully three-dimensional numerical models were built. The calculations ...

STATEMENT OF PROBLEM A number of authors have reported the placement of a distal implant associated with a partial removable dental prosthesis (PRDP) to make this rehabilitation more stable. This strategy may represent an option for resolving the problem of the intrusive movements of the PRDP and for reducing treatment costs. PURPOSE The purpose of this systematic review was to evaluate the c...

PURPOSE Three-dimensional finite element analysis was conducted to evaluate and compare the stress distribution in the abutment and retention screw of implant-supported single crowns with platform switching and with a conventional platform under vertical and oblique loading. MATERIALS AND METHODS Two finite element models were created simulating an osseointegrated implant (4 × 10 mm, platform...

Background The poor hygiene of peri-implant tissues causes inflammation at tissue-implant interface, which may impair the rehabilitation success. The aim of this study was to evaluate the influence of external hexagon and Morse taper implants on peri-implant health in patients wearing mandibular overdentures for 1 year. Materials and Methods A total of 46 implants were evaluated, 28 external ...

The inflammatory response adjacent to implants has not been well-investigated and may influence peri-implant tissue levels. The purpose of this study was to assess, histomorphometrically, (1) the timing of abutment connection and (2) the influence of a microgap. Three implant designs were placed in the mandibles of dogs. Two-piece implants were placed at the alveolar crest and abutments connect...

The introduction of the CochlearTM Baha® BI300 Implant and DermaLockTM Abutment (BA400) have significantly improved clinical practices and the patient experience with bone conduction hearing implants. First introduced in 2010, the BI300 Implant is now used by over 50,000 patients worldwide. Of these patients, more than 24,000 have also received the DermaLock Abutment since its introduction in 2...

Purpose: This study investigates the effect of two different attachment size in the single implant retained over denture on the muscle activity. Materials and Methods: Twenty completely edentulous patients were selected for the study with normal ridge size and divided into two groups. In all patients single implant was placed at the area of midline after cone beam taken. Three months later low ...