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Clinical Implant Dentistry and related Research

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https://www.readbyqxmd.com/read/28332286/analysis-of-risk-factors-for-cluster-behavior-of-dental-implant-failures
#1
Bruno Ramos Chrcanovic, Jenö Kisch, Tomas Albrektsson, Ann Wennerberg
BACKGROUND: Some studies indicated that implant failures are commonly concentrated in few patients. PURPOSE: To identify and analyze cluster behavior of dental implant failures among subjects of a retrospective study. MATERIALS AND METHODS: This retrospective study included patients receiving at least three implants only. Patients presenting at least three implant failures were classified as presenting a cluster behavior. Univariate and multivariate logistic regression models and generalized estimating equations analysis evaluated the effect of explanatory variables on the cluster behavior...
March 22, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28317243/implant-supported-mandibular-removable-partial-dentures-functional-clinical-and-radiographical-parameters-in-relation-to-implant-position
#2
Charlotte Jensen, Caroline M Speksnijder, Gerry M Raghoebar, Wouter Kerdijk, Henny J A Meijer, Marco S Cune
BACKGROUND: Patients with a Kennedy class I situation often encounter problems with their removable partial denture (RPD). PURPOSE: To assess the functional benefits of implant support to RPDs, the clinical performance of the implants and teeth and to determine the most favorable implant position: the premolar (PM) or molar (M) region. MATERIALS AND METHODS: Thirty subjects received 2 PM and 2 M implants. A new RPD was made. Implant support was provided 3 months later...
March 20, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28261906/randomized-controlled-clinical-trial-comparing-two-dental-implants-with-different-neck-configurations
#3
Ignacio Sanz-Martín, Ignacio Sanz-Sánchez, Fernando Noguerol, Susy Cok, Alberto Ortiz-Vigón, Mariano Sanz
BACKGROUND: Peri-implant bone levels can vary according to the implant neck macro-design and the implant-abutment interface. PURPOSE: To compare the changes in soft and hard tissues when using a one-piece implant with a machined collar (TG) versus a two-piece implant with a progressive platform widening and a platform switching connection (SP). MATERIAL AND METHODS: Partially edentulous patients willing to receive one or two implants in the posterior maxilla or mandible were randomized to the control (TG) or to the test group (SP)...
March 6, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28261943/has-implant-dentistry-lost-its-compass
#4
EDITORIAL
William Becker, Leonard Tibbetts
No abstract text is available yet for this article.
March 5, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28251808/a-retrospective-study-on-1592-consecutively-performed-operations-in-one-private-referral-clinic-part-ii-peri-implantitis-and-implant-failures
#5
Torsten Jemt, Michel Karouni, Jérémy Abitbol, Ons Zouiten, Hadi Antoun
BACKGROUND: Few large-scale follow-up studies are reported on routine implant treatment. PURPOSE: To report retrospective data on peri-implantitis and overall implant failures at one private referral clinic (effectiveness study). MATERIALS AND METHODS: A total of 1017 patients were consecutively provided with 3082 implants with an anodized surface during 1592 operations between 2000 and 2011. All patients with any of four events of problems were identified; "peri-implantitis," "surgery related to peri-implantitis," "overall implant failure," and "late implant failures...
March 1, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28251794/augmentation-of-severly-resorbed-alveolar-crests-with-bovine-bone-blocks-a-human-histology-pilot-study
#6
Christer Slotte, Ulf Nannmark
BACKGROUND: Allo-/xenogenic bone blocks are used to treat bone defects. Few human histologic studies are found on their integration and capacity to augment new bone. PURPOSE: To study incorporation and stability of collagenated bovine bone blocks (CBB). Short term effects, histology, and morphometry on biopsy specimens are presented. MATERIALS AND METHODS: Nine patients exhibiting extremely narrow alveolar ridges had CBB adapted and fixed to the recipient bone and covered with collagen barriers...
March 1, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28219120/accuracy-of-a-real-time-surgical-navigation-system-for-the-placement-of-quad-zygomatic-implants-in-the-severe-atrophic-maxilla-a-pilot-clinical-study
#7
Kuo-Feng Hung, Feng Wang, Hao-Wei Wang, Wen-Jie Zhou, Wei Huang, Yi-Qun Wu
BACKGROUND: A real-time surgical navigation system potentially increases the accuracy when used for quad-zygomatic implant placement. PURPOSE: To evaluate the accuracy of a real-time surgical navigation system when used for quad zygomatic implant placement. MATERIALS AND METHODS: Patients with severely atrophic maxillae were prospectively recruited. Four trajectories for implants were planned, and zygomatic implants were placed using a real-time surgical navigation system...
February 20, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28217883/clinical-and-radiographic-outcome-following-immediate-loading-and-delayed-loading-of-single-tooth-implants-randomized-clinical-trial
#8
Björn Gjelvold, Jenö Kisch, Bruno Ramos Chrcanovic, Tomas Albrektsson, Ann Wennerberg
BACKGROUND: Immediate loading of single implants is generally considered a reliable procedure. PURPOSE: The objective of the present prospective randomized clinical study was to compare the overall treatment outcome following immediate loading (IL) and delayed loading (DL) of single implants after 1 year of follow-up. MATERIALS AND METHODS: Patients with a missing maxillary tooth (15-25) were randomly assigned to IL or DL. The protocol included implant installation in healed sites, immediate loading, delayed loading, temporary screw-retained restoration, and replacement with a permanent single implant crown...
February 19, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28192870/clinical-and-immunohistochemical-performance-of-lyophilized-platelet-rich-fibrin-ly-prf-on-tissue-regeneration
#9
Jianming Zhang, Xingying Qi, Xiaoding Luo, Dan Li, Haorong Wang, Ting Li
BACKGROUND: Platelet-rich fibrin (PRF) has been widely used in oral implantology and other fields, but benefits of the fresh PRF (FPRF (fresh platelet-rich fibrin)) were consequently limited because of its short-term application. Thus, a protocol for the combination of PRF and lyophilization comes up in the present study to address the issue of PRF storage and delayed clinical application, which has little been reported in this field at home and abroad by now. PURPOSE: The aim of the present study was to evaluate the applicability of lyophilized platelet-rich fibrin (Ly-PRF) used as the scaffold material for craniofacial tissue regeneration and to compare its biochemical properties with commonly used fresh PRF...
February 13, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28185409/a-retrospective-study-on-1592-consecutively-performed-operations-in-one-private-referral-clinic-part-i-early-inflammation-and-early-implant-failures
#10
Hadi Antoun, Michel Karouni, Jérémy Abitbol, Ons Zouiten, Torsten Jemt
BACKGROUND: Few large-scale follow-up studies are reported on routine implant treatment. PURPOSE: To report retrospective data on early inflammatory and early implant failures in a large number of routine patients at one private referral clinic. MATERIALS AND METHODS: A total of 1017 patients were consecutively provided with 3082 implants with an anodized surface (Nobel Biocare AB) at 1592 implant operations between 2000 and 2011. All patients reported with mucosa inflammation and bone loss and/or implant failures to the first annual examination were identified...
February 10, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28185382/autogenous-bone-block-grafting-provides-facial-implant-tissue-stability-long-term
#11
Fernando Verdugo, Agurne Uribarri, Antonio D'Addona
BACKGROUND: Mucosal recession (MR) and bone loss can compromise anterior implant esthetics. PURPOSE: To evaluate tissue stability and clinical outcomes of anterior implants augmented with autogenous block transplants long-term. MATERIALS AND METHODS: This prospective cross-sectional clinical study analyzed facial tissue recession of anterior implants augmented with autogenous bone blocks and compared them to adjacent teeth in forty patients 52 months post-augmentation...
February 10, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28093860/monolithic-implant-supported-lithium-disilicate-ls2-crowns-in-a-complete-digital-workflow-a-prospective-clinical-trial-with-a-2-year-follow-up
#12
Tim Joda, Marco Ferrari, Urs Brägger
BACKGROUND: The technical development of digital processing allows the production of anatomically full-contoured implant-supported restorations. PURPOSE: The aim of this prospective clinical trial was to analyze the treatment concept of monolithic lithium disilicate (LS2) single-unit restorations in a complete digital workflow. MATERIAL AND METHODS: Forty-four patients were restored with 50 screw-retained monolithic implant LS2 crowns bonded to pre-fabricated titanium abutments on soft tissue level implants (Institut Straumann AG, Basel, Switzerland) in premolar and molar sites...
January 16, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28090744/effects-of-different-hierarchical-hybrid-micro-nanostructure-surfaces-on-implant-osseointegration
#13
Bingkun Cheng, Qiang Niu, Yajun Cui, Wei Jiang, Yunzhuan Zhao, Liang Kong
BACKGROUND: Hierarchical hybrid micro/nanostructure implant surfaces are considered to better mimic the hierarchical structure of bone and the nanostructures substantively influence osseointegration through managing cell behaviors. PURPOSE: To enhance implant osseointegration for further clinical application, we evaluated the material properties and osseointegration effects of hierarchical surfaces with different nano-morphologies, using a rat model. MATERIALS AND METHODS: Two representative surface fabrication methods, hydrofluoric (HF) acid etching combined with anodization (HF + AN) or magnetron sputtering (HF + MS), were selected...
January 15, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28090743/cement-associated-peri-implant-mucositis-a-1-year-follow-up-after-excess-cement-removal-on-the-peri-implant-tissue-of-dental-implants
#14
Michael Korsch, Winfried Walther, Andreas Bartols
BACKGROUND: Methacrylate-based cements seem to promote peri-implant tissue inflammation even in the absence of excess cement. PURPOSE: The present study deals with the question of whether the removal of methacrylate cement from the peri-implant sulcus will lead to peri-implant tissues free of inflammation on a 1-year follow-up basis. MATERIAL AND METHODS: Implant supported suprastructures that had been in the mouth for at least 3.5 years either cemented with methacrylate (premier implant cement [PIC]) or zinc eugenol (temp bond [TB]) cement were compared...
January 15, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28078781/a-novel-conversion-method-for-radiographic-guide-into-surgical-guide
#15
Yao-Te Peng, Chung-Chih Tseng, Yi-Chun Du, Yen-Nien Chen, Chih-Han Chang
BACKGROUND: The study proposed a novel method for converting a radiographic guide into a surgical guide and evaluated its accuracy. MATERIALS AND METHODS: Radiographic guide was reformed with the addition of index rods for geometric conversion method (GCM). Planning implants were projected on geometric projection planes, and the implant positions were measured. The radiographic guide was converted into surgical guide using a generic bench drill machine with GCM data...
January 11, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28074591/variations-in-crestal-cortical-bone-thickness-at-dental-implant-sites-in-different-regions-of-the-jawbone
#16
Yi-Chun Ko, Heng-Li Huang, Yen-Wen Shen, Jyun-Yi Cai, Lih-Jyh Fuh, Jui-Ting Hsu
BACKGROUND: Dental implants have become reliable and predictable tools for treating missing teeth. The survival rate of dental implants is markedly influenced by the host bone quality and quantity of the jawbone. A better host bone provides higher initial stability of the dental implant, resulting in better osseointegration and a higher success rate. Host bone quality and quantity are determined by the crestal cortical bone thickness and inner cancellous bone density. OBJECTIVE: The purpose of this study was to determine the crestal cortical bone thickness at dental implant sites in different regions of the jawbone through the use of dental cone-beam computed tomographic (CBCT) images...
January 10, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/27717113/incorporation-and-remodeling-of-bone-block-allografts-in-the-maxillary-reconstruction-a-randomized-clinical-trial
#17
Daniel Deluiz, Luciano Santos Oliveira, Fábio Ramôa Pires, Teresita Reiner, Luciana Armada, Marcus A Nunes, Eduardo Muniz Barretto Tinoco
BACKGROUND: Severe alveolar atrophy often presents a challenge for the implant surgery. The significant lack of bone in the alveolar ridges may compromise the final restorations both from the aesthetic and functional standpoints. OBJECTIVES: To evaluate the behavior of bone block allografts for the maxillary augmentation and to investigate its incorporation, remodeling, and implant survival rates in two different healing time points. MATERIAL AND METHODS: Sixty-six consecutive patients (52 female/14 male, mean age: 57...
February 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/27633403/immediate-loading-of-fixed-complete-denture-prosthesis-supported-by-4-8-implants-placed-using-guided-surgery-a-5-year-prospective-study-on-66-patients-with-356-implants
#18
Silvio Mario Meloni, Marco Tallarico, Milena Pisano, Erta Xhanari, Luigi Canullo
BACKGROUND: High primary implant stability is considered one of the main factors necessary for achieving predictable treatment outcomes with immediately loaded implant-supported screw-retained fixed complete denture prosthesis (FCDP). PURPOSE: To evaluate the 5-year clinical and radiographic outcomes of immediately loaded implants placed in edentulous patients using computer-assisted template-guided surgery to support a FCDP. MATERIALS & METHODS: Patients in need to be restored with a FCDP in the mandible or maxilla were included in this prospective study/ and treated using computer-assisted template-guided surgery...
February 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/27476829/stock-versus-cad-cam-customized-zirconia-implant-abutments-clinical-and-patient-based-outcomes-in-a-randomized-controlled-clinical-trial
#19
Ulf Schepke, Henny J A Meijer, Wouter Kerdijk, Gerry M Raghoebar, Marco Cune
BACKGROUND: Single-tooth replacement often requires a prefabricated dental implant and a customized crown. The benefits of individualization of the abutment remain unclear. PURPOSE: This randomized controlled clinical trial aims to study potential benefits of individualization of zirconia implant abutments with respect to preservation of marginal bone level and several clinical and patient-based outcome measures. MATERIAL AND METHODS: Fifty participants with a missing premolar were included and randomly assigned to standard (ZirDesign, DentsplySirona Implants, Mölndal, Sweden) or computer aided design/computer aided manufacturing (CAD/CAM) customized (Atlantis, DentsplySirona Implants, Mölndal, Sweden) zirconia abutment therapy...
February 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/27476677/lateral-ridge-augmentation-using-autogenous-block-grafts-and-guided-bone-regeneration-a-10-year-prospective-case-series-study
#20
Vivianne Chappuis, Yeliz Cavusoglu, Daniel Buser, Thomas von Arx
BACKGROUND: The use of autogenous block grafts harvested from intraoral donor sites has proven to be effective for the reconstruction of horizontal bone defects. PURPOSE: The objective of this study was to analyze implant success and the rate of block graft resorption 10 years after ridge augmentation to elucidate contributing factors influencing graft maintenance. MATERIALS AND METHODS: A staged horizontal block graft augmentation was performed in 52 implant sites exhibiting severe horizontal bone atrophy using autogenous block grafts protected by DBBM and collagen membranes...
February 2017: Clinical Implant Dentistry and related Research
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