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International Journal of Oral & Maxillofacial Implants

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https://www.readbyqxmd.com/read/28938035/guided-bone-regeneration-with-collagen-membranes-and-particulate-graft-materials-a-systematic-review-and-meta-analysis
#1
Bastian Wessing, Stefan Lettner, Werner Zechner
PURPOSE: The aim of this meta-analysis was to evaluate different methods for guided bone regeneration using collagen membranes and particulate grafting materials in implant dentistry. MATERIALS AND METHODS: An electronic database search and hand search were performed for all relevant articles dealing with guided bone regeneration in implant dentistry published between 1980 and 2014. Only randomized clinical trials and prospective controlled studies were included...
September 22, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28938034/influence-of-partial-o%C3%A2-pressure-on-the-adhesion-proliferation-and-osteogenic-differentiation-of-human-dental-pulp-stem-cells-on-%C3%AE-tricalcium-phosphate-scaffold
#2
Jose Viña-Almunia, Cristina Mas-Bargues, Consuelo Borras, Juan Gambini, Marya El Alami, Jorge Sanz-Ros, Miguel Peñarrocha, Jose Vina
PURPOSE: To analyze, in vitro, the influence of O₂ pressure on the adhesion, proliferation, and osteogenic differentiation of human dental pulp stem cells (DPSC) on β-tricalcium phosphate (β-TCP) scaffold. MATERIALS AND METHODS: DPSC, positive for the molecular markers CD133, Oct4, Nestin, Stro-1, and CD34, and negative for CD45, were isolated from extracted third molars. Experiments were started by seeding 200,000 cells on β-TCP cultured under 3% or 21% O₂ pressure...
September 22, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28938033/effect-of-attachment-type-on-implant-strain-in-maxillary-implant-overdentures-comparison-of-ball-locator-and-magnet-attachments-part-1-overdenture-with-palate
#3
Toshihito Takahashi, Tomoya Gonda, Yoshinobu Maeda
PURPOSE: Implant overdentures with attachments have been used in clinical practice and the effect of attachments on implant strain has been frequently reported. However, most studies have focused on mandibular overdentures; there are few reports on maxillary overdentures. The purpose of this study was to examine the influence of attachment type on implant strain in maxillary overdentures under various implant configurations. MATERIALS AND METHODS: A maxillary edentulous model with implants and experimental overdentures were fabricated...
September 22, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28938032/efficacy-of-sealing-agents-on-preload-maintenance-of-screw-retained-implant-supported-prostheses
#4
Camila Berbel Seloto, Henrico Badaoui Strazzi Sahyon, Paulo Henrique Dos Santos, Juliana Aparecida Delben, Wirley Gonçalves Assunção
PURPOSE: The aim of this study was to evaluate the effect of sealing agents on preload maintenance of screw joints. MATERIALS AND METHODS: A total of four groups (n = 10 in each group) of abutment/implant systems, including external hexagon implants and antirotational UCLA abutments with a metallic collar in cobalt-chromium alloy, were assessed. In the control group (CG), no sealing agent was used at the abutment screw/implant interface. In the other groups, three different sealing agents were used at the abutment screw/implant interface: anaerobic sealing agent for medium torque (ASMT), anaerobic sealing agent for high torque (ASHT), and cyanoacrylate-based bonding agent (CYAB)...
September 22, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28938031/evaluation-of-a-titanium-surface-treated-with-hydroxyapatite-nanocrystals-on-osteoblastic-cell-behavior-an-in-vitro-study
#5
Elizabeth Ferreira Martinez, Guilherme Junji Ishikawa, Alexandre Barboza de Lemos, Fábio José Barbosa Bezerra, Marcelo Sperandio, Marcelo Henrique Napimoga
PURPOSE: In the context of macrostructural and microstructural modifications to the design of dental implants, surface topography changes with different treatments have the purpose of accelerating bone formation. The aim of this study was to evaluate in vitro the influence of aggregated hydroxyapatite nanocrystals to surfaces treated with double acid etching (Nano) on osteoblastic cell behavior compared with a conventional double acid-etched surface (DE). MATERIALS AND METHODS: Commercially pure Grade 4 titanium discs (6 × 2 mm) were selected, and both cell proliferation and viability were assessed at 24, 48, and 72 hours using Trypan blue vital dye and MTT, respectively...
September 22, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28938030/wound-healing-complications-following-guided-bone-regeneration-for-ridge-augmentation-a-systematic-review-and-meta-analysis
#6
Glendale Lim, Guo-Hao Lin, Alberto Monje, Hsun-Liang Chan, Hom-Lay Wang
PURPOSE: The rate of developing soft tissue complications that accompany guided bone regeneration (GBR) procedures varies widely, from 0% to 45%. The present review was conducted to investigate the rate for resorbable versus nonresorbable membranes and the timing of soft tissue complications. MATERIALS AND METHODS: Electronic and manual literature searches were conducted by two independent reviewers using several databases, including MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, and Cochrane Oral Health Group Trials Register, for articles published through July 2015, with no language restriction...
September 22, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28938029/prognosis-of-combining-remaining-teeth-and-implants-in-double-crown-retained-removable-dental-prostheses-a-systematic-review-and-meta-analysis
#7
Meifei Lian, Kai Zhao, Yunzhi Feng, Qian Yao
PURPOSE: The reliability of combining natural teeth and implants in one removable prosthesis is controversial. This systematic review was conducted to evaluate the prognosis of combined tooth/implant-supported double-crown-retained removable dental prostheses (DCR-RDPs) and to compare them with solely implant-supported prostheses with a minimum observation period of 3 years. MATERIALS AND METHODS: Electronic database (PubMed, Embase, Central, and SCI) and manual searches up to August 2016 were conducted to identify human clinical studies on tooth/implant-supported DCR-RDPs...
September 22, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28938028/association-between-implant-abutment-microgap-and-implant-circularity-to-bacterial-leakage-an-in-vitro-study-using-tapered-connection-implants
#8
Eduardo Cláudio Lopes de Chaves E Mello Dias, Marcelo Sperandio, Marcelo Henrique Napimoga
PURPOSE: The aim of this study was to evaluate the microgap between the abutment and implant as well as the circularity of implant platforms and associating conformational errors with bacterial microleakage in tapered connection implant systems. MATERIALS AND METHODS: Four brands of implants with a tapered abutment connection were tested. Bacterial leakage was assessed using 0.3 μL of Escherichia coli suspension inoculated into the abutment screw chamber of the implants, which were then torqued and incubated at 37°C for 14 days...
September 22, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28938027/effect-of-repeated-screw-joint-closing-and-opening-cycles-and-cyclic-loading-on-abutment-screw-removal-torque-and-screw-thread-morphology-scanning-electron-microscopy-evaluation
#9
Mahnaz Arshad, Hosseinali Mahgoli, Leila Payaminia
PURPOSE: To evaluate the effect of repeated screw joint closing and opening cycles and cyclic loading on abutment screw removal torque and screw thread morphology using scanning electron microscopy (SEM). MATERIALS AND METHODS: Three groups (n = 10 in each group) of implant-abutment-abutment screw assemblies were created. There were also 10 extra abutment screws as new screws in group 3. The abutment screws were tightened to 12 Ncm with an electronic torque meter; then they were removed and removal torque values were recorded...
September 22, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28817742/minimum-abutment-height-to-eliminate-bone-loss-influence-of-implant-neck-design-and-platform-switching
#10
Sergio Spinato, Pablo Galindo-Moreno, Fabio Bernardello, Davide Zaffe
PURPOSE: This retrospective study quantitatively analyzed the minimum prosthetic abutment height to eliminate bone loss after 4.7-mm-diameter implant placement in maxillary bone and how grafting techniques can affect the marginal bone loss in implants placed in maxillary areas. MATERIALS AND METHODS: Two different implant types with a similar neck design were singularly placed in two groups of patients: the test group, with platform-switched implants, and the control group, with conventional (non-platform-switched) implants...
August 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28817741/reconstruction-of-a-severely-atrophied-alveolar-ridge-by-computer-aided-gingival-simulation-and-3d-printed-surgical-guide-a-case-report
#11
In-Seok Song, Mi-Ran Lee, Jae-Jun Ryu, Ui-Lyong Lee
Dental implants positioned in severely atrophied anterior maxillae require esthetic or functional compromises. This case report describes the rehabilitation of a severely atrophied alveolar ridge with a three-dimensional (3D) computer-aided design/computer-aided manufacture (CAD/CAM) surgical guide. A 50-year-old woman had a severely atrophied anterior maxilla with unfavorably positioned dental implants. Functional and esthetic prosthodontic restoration was difficult to achieve. An anterior segmental osteotomy was planned to reposition the dental implants...
August 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28817740/influence-of-microtextured-implant-surfaces-on-peri-implantitis-and-its-treatment-a-preclinical-trial
#12
Juan C Rodriguez, Tapan Koticha, Diana L Eubanks, Ivan Rudek, Fred J Molz, Ludovica Chiavaccini, Andrew Claude, Steven Elder, Hom-Lay Wang
PURPOSE: The prevalence of peri-implantitis has increased significantly, forcing clinicians to search for ways to prevent it. Laser-microtextured surfaces promote soft tissue attachment and provide a tight seal around implants. Hence, the aim of this study was to examine the clinical, radiographic, and histologic features of ligature-induced peri-implantitis, as well as the effect of surgical treatment of these induced peri-implantitis lesions on laser-microtextured implants in a controlled animal model...
August 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28817739/three-dimensional-volumetric-changes-in-severely-resorbed-alveolar-sockets-after-ridge-augmentation-with-bovine-derived-xenograft-and-resorbable-barrier-a-preliminary-study-on-cbct-imaging
#13
Valeria Manavella, Federica Romano, Lisa Corano, Cristina Bignardi, Mario Aimetti
PURPOSE: The primary aim of the study was to describe a novel technique to evaluate volumetric hard tissue dimensional changes after ridge augmentation procedures. The secondary aim was to apply this newly developed measuring method to compromised alveolar sockets grafted with a slowly resorbing biomaterial covered with a collagen membrane. MATERIALS AND METHODS: Eleven patients (6 men and 5 women, mean age 52.7 ± 8.3 years) requiring extraction of one hopeless tooth for severe periodontitis in the maxillary anterior area were consecutively treated with a ridge augmentation procedure...
August 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28817738/compliance-with-supportive-periodontal-treatment-in-patients-with-dental-implants
#14
Kai-Fang Hu, Ying-Chu Lin, Kun-Yen Ho, Yu-Hsiang Chou
PURPOSE: The need for dental implants is increasing, and supportive periodontal treatment can achieve long-term success and prevent peri-implantitis. Contributing factors to noncompliance with long-term scheduled supportive periodontal treatment remain unclear. To investigate whether demographic and clinical characteristics are associated with noncompliance, the authors analyzed data for patients who had received dental implants. MATERIALS AND METHODS: The authors recruited patients participating in a supportive periodontal treatment program after receiving permanent prostheses on implants placed from 2005 to 2013...
August 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28906511/association-of-cytokine-gene-polymorphism-with-peri-implantitis-risk
#15
Aleksandra Petkovic-Curcin, Katarina Zeljic, Bojana Cikota-Aleksic, Dragana Dakovic, Zoran Tatic, Zvonko Magic
PURPOSE: To investigate whether polymorphisms of cluster of differentiation 14 (CD14), tumor necrosis factor alpha (TNFα), interleukin (IL)6, IL10, and IL1ra genes are associated with the risk of peri-implantitis susceptibility in patients with dental implants in the Serbian population. MATERIALS AND METHODS: Isolated DNA from the blood was used for IL10-1082, TNFα-308, IL6-174, CD14-159, and interleukin 1 receptor antagonist (IL1ra) genotyping using polymerase chain reaction (PCR)-based methodology...
September 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28906510/retrospective-analysis-on-survival-rate-template-related-complications-and-prevalence-of-peri-implantitis-of-694-anodized-implants-placed-using-computer-guided-surgery-results-between-1-and-10-years-of-follow-up
#16
Marco Tallarico, Silvio Mario Meloni
PURPOSE: To report survival rate, early surgical template-related complications, and prevalence of peri-implantitis of dental implants placed in private practices using computer-guided, template-assisted surgery and followed between 1 and 10 years. MATERIALS AND METHODS: The present retrospective multicenter study evaluated data collected from fully or partially edentulous patients, with anodized-surface implants placed using computer-guided, template-assisted surgery between January 2006 and December 2015...
September 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28906509/association-of-systemic-conditions-with-dental-implant-failures-in-6-384-patients-during-a-31-year-follow-up-period
#17
Alan B Carr, Venkata S Revuru, Christine M Lohse
No abstract text is available yet for this article.
September 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28906508/a-prospective-case-control-clinical-study-of-titanium-zirconium-alloy-implants-with-a-hydrophilic-surface-in-patients-with-type-2-diabetes-mellitus
#18
José Cabrera-Domínguez, Lizett Castellanos-Cosano, Daniel Torres-Lagares, Guillermo Machuca-Portillo
PURPOSE: To evaluate prospectively the behavior of narrow-diameter (3.3-mm) titanium-zirconium alloy implants with a hydrophilic surface (Straumann Roxolid SLActive) in patients with type 2 diabetes mellitus in single-unit restorations, compared with a healthy control group (assessed using the glycosylated hemoglobin HbA1c test). MATERIALS AND METHODS: The patients evaluated in this study required single-unit implant treatment; 15 patients had type 2 diabetes mellitus, and 14 patients were healthy (control group [CG])...
September 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28906507/influence-of-the-diameter-of-dental-implants-replacing-single-molars-3-to-6-year-follow-up
#19
Jose Alfredo Mendonça, Plinio Mendes Senna, Carlos Eduardo Francischone, Carlos Eduardo Francischone Junior, Bruno Salles Sotto-Maior
PURPOSE: The aim of this study was to evaluate the influence of the implant diameter on marginal bone remodeling around dental implants replacing single molars after a follow-up period of 3 to 6 years. MATERIALS AND METHODS: Patients who received dental implants with an external hexagon platform in healed sites to support a single metal-ceramic crown in the molar region were recalled to the office. The implantation sites and implant length information were recorded, and the implants were divided according to the implant diameter: regular (RP) or wide (WP)...
September 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28906506/stability-of-grafted-implant-placement-sites-after-sinus-floor-elevation-using-a-layering-technique-10-year-clinical-and-radiographic-results
#20
Fouad Khoury, Pierre Keller, Philip L Keeve
PURPOSE: To evaluate long-term survival rates and radiographic stability of sinus floor elevations carried out using a two-layer grafting technique. MATERIALS AND METHODS: Records were analyzed for patients treated with sinus floor elevations using a modified technique. Phycogenic hydroxyapatite (Algipore, Dentsply Sirona Implants) and autogenous bone particles harvested from intraoral sites were grafted in two distinct layers after elevation of the sinus mucosae...
September 2017: International Journal of Oral & Maxillofacial Implants
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