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Clinical Implant Dentistry and related Research

Jin-Woo Kim, Heon-Young Kim, Seon-Yeong Kim, Sun-Jong Kim
BACKGROUND: Regional acceleratory phenomenon (RAP) is demonstrated to decrease regional bone mineral density and accelerate bone turnover. Hypothesizing that RAP can negatively affect the osseointegration of biomaterials, this study aimed to investigate the possible influence of the RAP on dental implant osseointegration. MATERIALS AND METHODS: Orthognathic surgery, one of the major surgeries on oral and maxillofacial region was set as intervention for RAP. Considering that RAP exerts its physiologic effects until 4 months after noxious stimuli, patients were classified according to the time interval between orthognathic surgery and dental implant installation; group I was designated to patients who had implant installation within 4 months from orthognathic surgery...
March 18, 2019: Clinical Implant Dentistry and related Research
Gerardo Mendoza-Azpur, Andres de la Fuente, Elizabeth Chavez, Erick Valdivia, Ismael Khouly
BACKGROUND: To evaluate dimensional bone alterations following horizontal ridge augmentation using guided bone regeneration (GBR) with or without autogenous block graft (ABG) for the rehabilitation of atrophic jaws with dental implants. MATERIALS AND METHODS: Forty-two patients, with 42 severe horizontal bone atrophy sites in the maxilla or mandible were randomly assigned to two groups: ABG or GBR. The ABG group received a combination of ABG with particulate xenograft, covered by a collagen membrane, while the GBR group received particulate xenograft alone, covered by a collagen membrane...
March 18, 2019: Clinical Implant Dentistry and related Research
Torsten Jemt
BACKGROUND: There is limited knowledge on the relationship between implant failures and patient age at implant surgery. PURPOSE: To further analyze and report long-term data on previously presented significant associations between implant failures and age at surgery in patients receiving treatment in the edentulous jaw. MATERIALS AND METHODS: A total of 4049 patients were provided with 24 781 implants during 4585 operations in edentulous jaws between 1986 and 2015 in one referral clinic...
March 18, 2019: Clinical Implant Dentistry and related Research
Tianxu Zhang, Tao Zhang, Xiaoxiao Cai
BACKGROUND: To our acknowledgment, there were limited clinical studies about the guided bone regeneration (GBR) for both vertical and horizontal augmentation at the same time using titanium mesh (Ti-mesh) with simultaneous implant placement in the esthetic zone. Meanwhile, studies that specially evaluate resorption and long-term stability of the augmented labial bone after loading were also rare. Therefore, this study introduced a newly designed L-shaped Ti-mesh used for GBR with simultaneous implant placement and evaluated the bone augmentation effectiveness, resorption, and long-term stability of peri-implant bone with this newly designed L-shaped Ti-mesh...
March 18, 2019: Clinical Implant Dentistry and related Research
Fatemah Alahmari, Fawad Javed, Zain Uddin Ahmed, Georgios E Romanos, Abdulaziz A Al-Kheraif
BACKGROUND: We hypothesized that crestal bone loss (CBL) and peri-implant soft tissue inflammation are increased when conventionally-loaded dental implants are placed in cigarette and waterpipe smokers compared to nonsmokers. PURPOSE: The present 8-years' follow-up retrospective clinical study evaluated the stability of the conventionally-loaded dental implants placed in cigarette- and waterpipe (narghile) smoking and nonsmoking population group. MATERIALS AND METHODS: Self-reported cigarette-smokers, waterpipe users along with never-smokers have been included...
March 18, 2019: Clinical Implant Dentistry and related Research
Riccardo D Kraus, Alyssa Epprecht, Christoph H F Hämmerle, Irena Sailer, Daniel S Thoma
OBJECTIVES: The objective of the present randomized clinical trial was to test whether or not the use of screw-retained all ceramic implant-borne reconstructions results in clinical, technical, and biologic outcomes similar to those obtained with cemented all ceramic reconstructions. The hypothesis was that there is no difference in clinical, technical, and biological parameters between the two types of retention. MATERIALS AND METHODS: Forty-four patients randomly received 20 cemented reconstruction (CR) and 24 screw-retained (SR) all ceramic single crowns on two-piece dental implants with nonmatching implant-abutment junctions...
March 12, 2019: Clinical Implant Dentistry and related Research
Christian Makary, Abdallah Menhall, Alberto Rebaudi
BACKGROUND AND PURPOSE: Early postoperative reactions occur following lateral sinus floor elevation (LSFE). This article radiographically describes, quantifies, and measures these early postoperative changes inside grafted maxillary sinus area. MATERIALS AND METHODS: In 24 patients, 31 maxillary sinuses were performed using piezosurgery and grafted by bioceramic materials. Cone beam computed tomography was done preoperatively and then postoperatively, randomly, at either day 1 (n = 6), 2 (n = 11), 3 (n = 8), or 7 (n = 6) and at 6 months for all patients...
March 12, 2019: Clinical Implant Dentistry and related Research
Cristiano Susin, Amanda Finger Stadler, Marta L Musskopf, Mariana de Sousa Rabelo, Umberto D Ramos, Tiago Fiorini
BACKGROUND: A newly developed dental implant system combining advancements in surface chemistry, topography, nanostructure, color, and surface energy aims to address biological challenges and expand clinical applications. PURPOSE: To assess the short- and long-term safety and efficacy of a novel, gradually anodized dental implant surface/anodized abutment. MATERIALS AND METHODS: Twenty-four Yucatan mini pigs (20-24 months old) received two dental implants in each jaw quadrant...
March 12, 2019: Clinical Implant Dentistry and related Research
Liat Chaushu, Gavriel Chaushu, Roni Kolerman, Marilena Vered, Sarit Naishlos, Joseph Nissan
BACKGROUND: Bone block grafting may be required to restore the alveolar process prior to implant placement in Kennedy Class IV partial edentulism of the anterior mandible. PURPOSE: Evaluate the application of allograft cancellous bone blocks for the augmentation of the anterior atrophic mandible. MATERIALS AND METHODS: Fourteen consecutive patients underwent augmentation with cancellous bone block allografts in the anterior mandible. A bony deficiency of at least 3 mm horizontally and up to 3 mm vertically according to computerized tomography para-axial reconstruction served as inclusion criteria...
March 12, 2019: Clinical Implant Dentistry and related Research
Cristiano Susin, Amanda Finger Stadler, Tiago Fiorini, Mariana de Sousa Rabelo, Umberto D Ramos, Peter Schüpbach
BACKGROUND: It is well established that electrochemical anodization of implant surfaces contributes to osseointegration and long-term implant survival. Few studies have investigated its effect on soft tissue healing. PURPOSE: To evaluate the safety and efficacy of a novel abutment surface prepared by electrochemical oxidation compared to commercially available machined titanium abutments. MATERIALS AND METHODS: Twelve 16-19 months-old, Yucatan mini-pigs received three dental implants in each mandibular jaw quadrant...
March 12, 2019: Clinical Implant Dentistry and related Research
Jan Hall, Jessica Neilands, Julia R Davies, Annika Ekestubbe, Bertil Friberg
BACKGROUND: A newly developed, anodized titanium oxide surface containing anatase has been reported to have antimicrobial properties that could reduce bacterial adherence to abutments. PURPOSE: To investigate if abutments with the anodized surface improve healing and soft tissue health in a randomized controlled study. MATERIALS AND METHODS: Test abutments with a nanostructured anodized surface were compared with control machined titanium abutments...
March 12, 2019: Clinical Implant Dentistry and related Research
Sanne Roffel, Gang Wu, Ivana Nedeljkovic, Michael Meyer, Tojo Razafiarison, Susan Gibbs
BACKGROUND: Abutment surfaces are being designed to promote gingival soft tissue attachment and integration. This forms a seal around prosthetics and consequently ensures long-term implant survival. New scalable and reproducible models are necessary to evaluate and quantify the performance of these surfaces. PURPOSE: To evaluate a novel implantation model by histomorphometric and immunohistochemical characterization of the interactions between human oral gingival tissue and titanium abutments with either novel anodized or conventional machined surface...
March 12, 2019: Clinical Implant Dentistry and related Research
Hossein Kashani, Jack Hilon, Mahdi Hasan Rasoul, Bertil Friberg
BACKGROUND: The use of a preoperative single dose of antibiotics as routine in conjunction with implant surgery is controversial, in light of the unclear effect on early implant failure rate and risk for development of resistant bacterial strains. PURPOSE: This randomized clinical trial compared the early implant failure rates in two different patient cohorts: One group receiving a single dose of preoperative antibiotics (AB group) and one group receiving no antibiotics, prior to implant surgery (noAB group)...
March 5, 2019: Clinical Implant Dentistry and related Research
Mohammad Moharrami, Vittoria Perrotti, Flavia Iaculli, Robert M Love, Alessandro Quaranta
BACKGROUND: Air abrasion (AA) is one of the decontamination methods that have demonstrated promising results in treating peri-implant diseases. PURPOSE: This systematic review aimed at evaluating the in vitro effect of AA on surface change, cleaning efficacy, and biocompatibility of titanium surfaces and at comparing it with other decontamination methods. MATERIALS AND METHODS: A comprehensive search was conducted up to April 2018 using PubMed, Scopus, and Google Scholar databases to identify studies on the decontamination effect of AA...
March 5, 2019: Clinical Implant Dentistry and related Research
Tomas Albrektsson
No abstract text is available yet for this article.
March 5, 2019: Clinical Implant Dentistry and related Research
Arash Khojasteh, Sepanta Hosseinpour, Maryam Rezai Rad, Marzieh Alikhasi, Homayoun H Zadeh
BACKGROUND: Application of adipose-derived stem cells originated from buccal fat pad (BFP) can simplify surgical procedures and diminish clinical risks compared to large autograft harvesting. PURPOSE: This study sought to evaluate and compare the efficacy of buccal fat pad-derived stem cells (BFPSCs) in combination with anorganic bovine bone mineral (ABBM) for vertical and horizontal augmentation of atrophic posterior mandibles. MATERIALS AND METHODS: Fourteen patients with atrophic posterior mandible were elected for this prospective exploratory study...
March 1, 2019: Clinical Implant Dentistry and related Research
Xiaoxiao Cao, Xinjie Cai, Ruiying Chen, Huimei Zhang, Tao Jiang, Yining Wang
BACKGROUND: Mechanical and biological complications associated with implant systems happen frequently in the clinic. PURPOSE: To develop a chitosan (CS)-based thermosensitive hydrogel for sealing and lubricating purposes in dental implant system. MATERIALS AND METHODS: In this study, a thermosensitive hydrogel made up of CS, β-glycerophosphate pentahydrate (β-GP), and povidone-iodine (PVP-I), called CS/β-GP/PVP-I thermosensitive hydrogel, was fabricated...
March 1, 2019: Clinical Implant Dentistry and related Research
Berceste Guler, Ahu Uraz, Deniz Çetiner
BACKGROUND: The chemical surface structure of the porous titanium grafts has not been found to study in the literature on the similarity of chemical surfaces of different commercial dental implants. PURPOSE: The purpose of this study is to investigate the chemical composition and surface energies of white (WPTG) and black porous titanium granules (PTG) by energy dispersive x-ray spectrometry (EDX) analysis to compare with different commercial dental implant surface...
March 1, 2019: Clinical Implant Dentistry and related Research
Franz Josef Strauss, Francesca Di Summa, Alexandra Stähli, Luiza Matos, Fabiola Vaca, Guenther Schuldt, Reinhard Gruber
OBJECTIVES: Osteoblasts lay down new bone on implant surfaces. The underlying cellular mechanism and the spatio-temporal mode of action, however, remain unclear. It can be proposed that growth factors released upon acidification by osteoclasts adsorb to the implant surface and control the early stages of osseointegration. METHODS: To simulate bone lysis by osteoclasts, titanium discs were exposed to acid bone lysate (ABL) followed by vigorous washing and seeding of oral fibroblasts...
February 28, 2019: Clinical Implant Dentistry and related Research
Tomas Albrektsson, Ann Wennerberg
BACKGROUND: The understanding of mechanisms of osseointegration as well as applied knowledge about oral implant surfaces are of paramount importance for successful clinical results. PURPOSE: The aim of the present article is to present an overview of osseointegration mechanisms and an introduction to surface innovations with relevance for osseointegration that will be published in the same supplement of Clinical Implant Dentistry and Related Research. MATERIALS AND METHODS: The present article is a narrative review of some osseointegration and implant surface-related details...
February 28, 2019: Clinical Implant Dentistry and related Research
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