نتایج جستجو برای: marginal bone level

تعداد نتایج: 1394623  

Journal: :Clinical oral implants research 2013
Hong-Chang Lai Mi-Si Si Long-Fei Zhuang Hui Shen Yue-Lian Liu Daniel Wismeijer

OBJECTIVE Aimed to evaluate the long-term clinical and radiographic outcomes of short implants supporting single crowns in the posterior regions. MATERIAL AND METHODS A retrospective study design was adopted. The clinical and radiographic data of 231 short implants (intra-bony length ≤8 mm) supporting single crowns in 168 patients, were collected after 5-10 (mean 7.22) years' follow-up. Impla...

2015
Gregory M. Malham Rhiannon M. Parker Zita E. Ballok Ben Goss Ashish D. Diwan Juan S. Uribe

Study Design Surgeon survey. Objective To evaluate the reliability of bone single-photon emission computed tomography (SPECT) versus bone SPECT images co-registered with computed tomography (bone SPECT-CT) by analyzing interobserver agreement for identification of the anatomical location of technetium(99m)-labeled oxidronate uptake in the lumbar disk and/or facet joint. Methods Seven spine surg...

Journal: :journal of dentistry, tehran university of medical sciences 0
daryoush goodarzi pour elham romoozi yadollah soleimani shayesteh

objectives : bone assessment is essential for diagnosis, treatment planning and prediction of prognosis of periodontal diseases. however, two-dimensional radiographic techniques have multiple limitations, mainly addressed by the introduction of three-dimensional imaging techniques such as cone beam computed tomography (cbct). this study aimed to assess the accuracy of cbct for detection of marg...

Journal: :Journal of clinical periodontology 2011
Laurens den Hartog Gerry M Raghoebar Kees Stellingsma Arjan Vissink Henny J A Meijer

AIM this study compared the outcome of immediate non-occlusal loading with conventional loading for single implants in the maxillary aesthetic zone. It was hypothesized that immediate non-occlusal loading is not inferior to conventional loading. MATERIALS AND METHODS sixty-two patients with a missing maxillary anterior tooth were randomly assigned to be treated with an implant that was either...

2016
Paulo Maló Miguel de Araújo Nobre Yolande Gonçalves Armando Lopes Ana Ferro

Purpose. To report the long-term outcome at 10 years of fixed prosthetic rehabilitation supported by dental implants with anodically oxidized surfaces in immediate function. Materials and Methods. This retrospective cohort study included 75 consecutive patients (44 females and 31 males; 14 bruxers; 21 smokers; 14 systemic compromised), with average age of 60 years, rehabilitated with 264 implan...

Journal: :Clinical implant dentistry and related research 2012
Roberto Weinstein Enrico Agliardi Massimo D Fabbro Davide Romeo Luca Francetti

PURPOSE To prospectively assess the outcome of immediate rehabilitation of extremely atrophic mandibles by a full-arch fixed bridge anchored to four implants. MATERIAL AND METHODS Twenty patients with edentulous mandibles were included in the study. Each patient received a full-arch fixed bridge supported by two axial and two distal tilted implants. Prosthetic loading was applied within 48 ho...

2015
Tongyu Hu Wei Chen Jianheng Li Chenguang Du Yingze Zhang

Periosteal osteosarcoma is a rare subtype of osteosarcoma. Wide surgical removal is the commonly used treatment-method algorithm. However, the limb-salvage procedure of periosteal osteosarcoma in the distal tibia is a technical challenge to orthopedic surgeons because of the scarcity of soft tissue and subcutaneous nature in the anteromedial aspect. We encountered a 16-year-old female patient w...

Journal: :European journal of oral implantology 2012
Marco Esposito Maria Gabriella Grusovin Gerardo Pellegrino Elisa Soardi Pietro Felice

PURPOSE To evaluate clinical safety and effectiveness of a novel calcium-incorporated titanium implant (Xpeed, MegaGen Implant Co. Limited, Gyeongbuk, South Korea). MATERIALS AND METHODS Sixty patients were randomised to receive either 1 to 6 calcium-incorporated or control titanium implants in the maxilla according to a parallel group design at 2 different centres. Implants were submerged an...

2015
Roberto Rossi Diego Capri Emanuele Risciotti Paul Zeman

The aim of this study was to obtain a randomized, clinical and radiological comparison of implants with and without platform switching (PFS). The two compared titanium implant types differed only in the microgap position: test (PFS) or control (StE, no PFS). All implants were inserted in posterior regions and followed up for six months after abutment connection (AC). Twenty one patients with 21...

سجادی, سید علیرضا, علی محمدیان, معصومه, محمدی, ندا, منصورنیا, محمدعلی, پوستچی, حسین, یاسری, مهدی,

One of the traditional methods used for the analysis of survival data is the Cox regression technique. This method calculates the conditional risk ratio. However, when the aim of the study is to estimate the effect of exposure in the total population level, using these conditional methods is not apposite. Furthermore, the hazard ratio has disadvantages of its own such as being non-collapsible, ...

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