نتایج جستجو برای: intacs implant
تعداد نتایج: 46702 فیلتر نتایج به سال:
background and aim: although there have been substantial developments in dental implant therapies, achieving good implant stability (isq >60) for implants inserted in augmented sinus sites appears to be challenging in comparison with non-augmented sites due to the high prevalence of bone resorption in posterior regions of maxilla. this study aimed to evaluate and compare the time required to a...
objectives: phonemic awareness skills have a significant impact on children speech and language. the purpose of this study was investigating the phonemic awareness skills of children with cochlear implant and normal hearing peers in primary school. methods: phonemic awareness subscales of phonological awareness test were administered to 30 children with cochlear implantation at the first to six...
Implant supported dental prostheses are increasingly used in practice. The aim of this narrative review is to present the influence transmucosal surface prosthetic abutment and implant on peri-implant tissue. article describes causes bone loss around implant. Moreover, properties different materials compared discussed. advantages, disadvantages, biomechanical concept implant-abutment connection...
Background and Aims: In response to esthetic demand and use of zirconia abutments; detection of implant-abutment connection misfit is so important. The purpose of this study was to evaluate the sensitivity and specificity of radiographic images in the detection of abutment-implant connection misfit in zirconia and titanium abutments of three different implant connections. Materials and Met...
Background and Aim: The mismatch of the implant-abutment connection can produce instant stress and microleakage which result in mechanical and biological complications. This study aimed to investigate the influence of GapSeal® as a sealing material on the extent of microgap and microleakage at the external hexagon implant platform following cyclic loading. Materials and Methods: Sixteen implan...
introduction: implant bed preparation with laser is taken into consideration owing to the increased interest in use of lasers in hard tissue surgery. the purpose of this study is to determine the deviations in the position and inclination between the planned and prepared implant beds with erbium, chromium doped yttrium scandium gallium garnet (er,cr: ysgg) laser using stereolithographic (sla) s...
Background : Although factors such as implant length, location, and diameter as well as bone quality have been associated with excessive failure rates, smoking is suggested as a stronger predisposing factor for higher failure rates. Thus, knowing the relationship between bone loss around the dental implants, maintenance of the implants and smoking could be a principle step towards solving the...
Abstract Background and aim: Oral microbiota could proliferate the microspace between the implant and abutment, thereby cause inflammation in the peri-implant tissues and adjacent bone. This study aimed to investigate the effect of two types of abutments (zirconia and titanium) on microleakage at implant-abutment interface area under oblique cyclic loading in vitro. Materials and methods:In thi...
background: receptor activator of nuclear factor kappa b ligand (rankl) is one of the key cytokines in the induction of osteoclastogenesis both in vitro and in vivo.several reports indicated the presence of srankl in gingival crevicular fluid of patients with periodontal diseases. objective: to determine the presence of rankl in peri-implant crevicular fluid samples of implants with peri-implan...
Cochlear implantation has become an increasingly common procedure in the rehabilitation of selected cases of profound deafness.' Patients should have profound total bilateral sensorineural hearing loss. Sound is transformed into small electric currents which stimulate the auditory nerves in the cochlea and generate the hearing sensation. The nucleus cochlear implant is the result of more t...
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