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International Journal of Oral & Maxillofacial Implants

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https://www.readbyqxmd.com/read/30282093/a-simplified-soft-tissue-management-for-peri-implant-bone-augmentation
#1
Leonardo Trombelli, Mattia Severi, Mattia Pramstraller, Roberto Farina
PURPOSE: This case series illustrates a simplified soft tissue management, namely, the subperiosteal peri-implant augmented layer (SPAL), to increase hard and soft tissue dimensions at the most coronal portion of an implant. MATERIALS AND METHODS: Twenty-seven implants in 16 patients presenting either a buccal bone dehiscence or a thin (< 1 mm) buccal cortical bone plate (BCBP) were consecutively treated. Briefly, a split-thickness flap (namely, the mucosal layer) was raised on the buccal aspect...
October 3, 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30282092/the-implant-surface-and-its-role-in-affecting-the-dynamic-processes-of-bone-remodeling-by-means-of-distance-osteogenesis-a-comparative-in-vivo-study
#2
Daniel Ge Thiem, Martin Adam, Cornelia Ganz, Thomas Gerber, Peer W Kämmerer
PURPOSE: This study aimed to evaluate whether different surface modifications affect the dynamics of bone remodeling at the implant and the adjacent local bone. MATERIALS AND METHODS: Seventy-two dental implants with different surfaces (smooth and rough control [smCtrl; rCtrl], smooth and rough + O2 -plasma spray [smPlas; rPlas], smooth and rough + nanocrystalline SiO2 -hydroxyapatite coating [ncSiO2 HA] + O2 -plasma spray [smNB-C; rNB-C]; each n = 12) were bilaterally inserted into the femora of 36 New Zealand white rabbits...
October 3, 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30282091/anatomical-and-biologic-considerations-of-autogenous-bone-blocks-harvested-from-the-ramus-region
#3
Georgios E Romanos
A common site to harvest autogenous bone is the posterior mandible (ramus). Bone from this area may be cortical or cancellous in nature with different levels of osteogenic potential. Management of deficient alveolar ridges must be based upon anatomical and biologic characteristics of the donor bone from the ramus. This technical report provides all aspects of the presurgical planning, topographic features of autogenous ramus blocks, and loading concepts according to the biologic characteristics and resorption properties of these blocks...
October 3, 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30282090/clinical-outcome-of-dental-implant-therapy-in-association-with-le-fort-i-osteotomy-preprosthetic-surgery-a-systematic-review
#4
Pier Paolo Poli, Valthierre de Nunes Lima, Francisley Ávila Souza, Idelmo Rangel Garcia Junior, Carlo Maiorana
PURPOSE: The purpose of this systematic review was to evaluate the outcome of dental implant treatment in fully edentulous patients who underwent Le Fort I osteotomy as a preprosthetic surgical technique. MATERIALS AND METHODS: A search was conducted of the PubMed (MEDLINE), EMBASE, Scopus, and Cochrane databases to identify records published from 1995 to 2017 dealing with Le Fort I osteotomy procedures for implant placement purposes. The primary outcomes of interest were the survival and success rates...
October 3, 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30282089/resonance-frequency-analysis-agreement-and-correlation-of-implant-stability-quotients-between-three-commercially-available-instruments
#5
Michael R Norton
PURPOSE: The purpose of this study was to analyze the implant stability quotient (ISQ) values recorded by three commercially available resonance frequency analysis (RFA) instruments from a large cohort of implants in order to determine their accuracy and agreement with one another both for static measurements of ISQ at a given time and for change in ISQ over time. MATERIALS AND METHODS: A cohort of n = 210 implants had their primary stability, secondary stability, or both evaluated in both the mesiodistal (MD) and buccolingual (BL) directions by means of ISQ using three different RFA instruments: Osstell Mentor (OM), Osstell Idx (OI), and the Penguin (PG)...
October 3, 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30282088/radiographic-assessment-of-crestal-bone-loss-in-tissue-level-implants-restored-by-platform-matching-compared-with-bone-level-implants-restored-by-platform-switching-a-randomized-controlled-split-mouth-trial-with-3-year-follow-up
#6
Laura Lago, Luis da Silva, Isabel Martinez-Silva, Benito Rilo
PURPOSE: This randomized, controlled, split-mouth trial with 3-year follow-up was carried out to compare radiologic changes of crestal bone level (CBL) between splinted tissue-level implants restored by platform matching and bone-level implants restored by platform switching. MATERIALS AND METHODS: Periapical radiographs were taken to evaluate the peri-implant crestal bone changes at baseline (implant restoration), at 1 year, and at 3 years after the definitive restoration...
October 3, 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30282087/an-evaluation-of-the-relationship-between-peri-implant-soft-tissue-biotype-and-the-severity-of-peri-implantitis-a-cross-sectional-study
#7
Sila Cagri Isler, Ahu Uraz, Ozlem Kaymaz, Deniz Cetiner
PURPOSE: This cross-sectional study aimed to analyze the relation between peri-implant soft tissue biotype (STB) and different levels of peri-implantitis severity, and to identify the possible risk indicators that affect the severity of peri-implantitis with regard to STB around dental implants. MATERIALS AND METHODS: Eighty-seven patients with 229 implants were diagnosed with peri-implantitis and recruited to the study. Clinical and radiographic parameters including Plaque Index (PI), probing depth (PD), bleeding on probing (BOP), gingival/mucosal recession (GR/MR), clinical attachment level (CAL), and marginal bone loss (BL) were analyzed...
October 3, 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30282086/hard-and-soft-tissue-cell-behavior-on-peek-zirconia-and-titanium-implant-materials
#8
Mariana Brito da Cruz, Joana Faria Marques, Gabriella M Peñarrieta-Juanito, Mafalda Costa, Júlio Cm Souza, Ricardo S Magini, Georgina Miranda, Filipe Samuel Silva, António Duarte Sola Pereira da Mata, João Manuel Mendez Caramês
PURPOSE: The aim of this study was to characterize and compare the behavior of human osteoblasts and human gingival fibroblasts in contact with polyetheretherketone (PEEK), zirconia, and titanium implant surface materials. MATERIALS AND METHODS: PEEK, yttria-stabilized zirconia (YTZP), and titanium discs were produced under appropriate and similar conditions to achieve controlled surface features. Human osteoblasts and human gingival fibroblasts were cultured on discs for 14 days...
October 3, 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30282085/imaging-aspects-of-the-mandibular-incisive-canal-a-prospero-registered-systematic-review-and-meta-analysis-of-cone-beam-computed-tomography-studies
#9
Daniel Almeida Ferreira Barbosa, Isadora Daniel Barros, Renata Cordeiro Teixeira, Alynne Vieira Menezes Pimenta, Lúcio Mitsuo Kurita, Paulo Goberlânio Barros Silva, Fábio Wildson Gurgel Costa
PURPOSE: This study aimed to perform a systematic review and meta-analysis of the literature on the mandibular incisive canal (MIC) studies using cone beam computed tomography (CBCT). MATERIALS AND METHODS: A PROSPERO-registered systematic review (#42017056619) was conducted following the PRISMA statements to summarize current knowledge on the CBCT aspects of the MIC. A search was performed in PubMed's Medline and Scopus databases, without date or language restrictions, using the algorithm {[(Interforaminal region) OR (mandibular incisive channel) OR (mandibular incisive nerve) OR (mental mandible) OR (anterior mandible) (cone beam computed tomography)...
October 3, 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30282084/fits-of-implant-zirconia-custom-abutments-and-frameworks-a-systematic-review-and-meta-analyses
#10
Jaafar Abduo, Ling Yin
PURPOSE: The aim of this systematic review and meta-analyses was to evaluate fits of zirconia custom abutments and frameworks on implants and to identify the factors that influence their fits. MATERIALS AND METHODS: An electronic search was conducted through PubMed (MEDLINE), Google Scholar, and Cochrane Central Registrar of Controlled Trials. The search was completed in August 2017. Series of meta-analyses were conducted to compare fits of zirconia custom abutments and frameworks on implants with metal abutments and frameworks...
October 3, 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30427973/explantation-of-an-osseointegrated-titanium-implant-using-laser-induced-thermo-necrosis-a-case-report
#11
Andreas Worni, Laurent Marchand, Irena Sailer, David Cornish, Stefan Paul Hicklin
Explantation of fully or partially osseointegrated titanium implants is a complex procedure for myriad reasons and often results in major bone loss and pronounced defects of the hard and soft tissues. This may require more elaborate surgical interventions in cases of re-implantation. In this patient case, an osseointegrated titanium implant with some visible bone loss, missing attached mucosa at the buccal aspect, and a nonideal three-dimensional (3D) position had to be explanted. For this, the implant's inner connection was heated using a CO2 laser, which resulted in localized laser-induced thermo-necrosis at the bone-to-implant contact...
November 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30427972/do-penicillin-allergic-patients-present-a-higher-rate-of-implant-failure
#12
Oscar Salomó-Coll, Naroa Lozano-Carrascal, Aida Lázaro-Abdulkarim, Federico Hernández-Alfaro, Jordi Gargallo-Albiol, Marta Satorres-Nieto
PURPOSE: The aim of this clinical study was to determinate if patients allergic to penicillin present a higher incidence of dental implant failure compared with nonallergic patients. MATERIALS AND METHODS: This cross-sectional clinical study analyzed patients rehabilitated with endosseous dental implants between September 2011 and July 2015, at the University Dental Clinic, School of Dentistry, International University of Catalonia (UIC). Prophylactic antibiotic therapy was prescribed for all patients: a single dose of 2 g of amoxicillin taken orally 1 hour before implant surgery for non-penicillin-allergic patients, and 600 mg of clindamycin taken orally 1 hour before the implant surgery for penicillin-allergic patients...
November 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30427971/psychometric-analysis-and-masticatory-efficiency-of-elderly-people-with-single-implant-overdentures
#13
Camilla Fraga Amaral, Mayara Abreu Pinheiro, Márcio de Moraes, Renata Cunha Matheus Rodrigues Garcia
PURPOSE: The aim of this paired clinical study was to evaluate psychometric parameters (patient satisfaction and masticatory ability) and masticatory efficiency in elderly people before and after oral rehabilitation by a single-implant overdenture. MATERIALS AND METHODS: This study included elderly individuals with residual alveolar bone height classified as Class III or IV according to the American College of Prosthodontics, and who wore clinically unsatisfactory complete dentures...
November 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30427970/a-within-subject-comparison-of-patient-satisfaction-and-quality-of-life-between-a-two-implant-overdenture-and-a-three-implant-supported-fixed-dental-prosthesis-in-the-mandible
#14
Darryl Beresford, Iven Klineberg
PURPOSE: This within-subject comparison tested the null hypothesis that there is no difference in patient satisfaction and oral health-related quality of life when an individual with an edentulous mandible is rehabilitated with a two-implant overdenture or a three-implant-supported fixed dental prosthesis. MATERIALS AND METHODS: Twelve subjects with an edentulous mandible or failing dentition were rehabilitated with the use of endosseous dental implants. Three implants were placed, and were immediately loaded with a provisional fixed prosthesis with minimal cantilever...
November 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30427969/implant-stability-outcomes-after-immediate-and-delayed-revascularized-free-fibula-flaps-a-preliminary-comparative-study
#15
Fatih Cabbar, F Nihal Durmus, Bülent Saçak, Gonca Duygu Çapar, Özhan Çelebiler
PURPOSE: This pilot study investigated the retrospective outcomes of implants placed immediately or with a delayed protocol in revascularized free fibula flaps (FFF). MATERIALS AND METHODS: Patients undergoing FFF between 2014 and 2017 were included in the study. Implants were inserted either immediately or 23.63 ± 10.61 months after reconstructive surgery. Resonance frequency analyses were recorded at the time of implant placement (first control) and 4 months postoperatively while uncovering and screwing the gingiva formers (second control)...
November 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30427968/marginal-bone-loss-around-short-dental-implants-restored-at-implant-level-and-with-transmucosal-abutment-a-retrospective-study
#16
Gabriel Hernández-Marcos, Mariela Hernández-Herrera, Eduardo Anitua
PURPOSE: This study evaluated the effect of the level of the prosthetic construction on the marginal bone stability around extra-short implants (≤ 6.5 mm in length) supporting a fixed prosthesis. MATERIALS AND METHODS: This retrospective study was performed at a private dental clinic. The patient charts were reviewed to select those who had an extra-short implant (≤ 6.5 mm in length) supporting a fixed prosthesis. A transmucosal abutment (transepithelial Multi-Im, BTI Biotechnology Institute) was used in those implants that were restored at the gingival level...
November 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30427967/clinical-outcome-of-implants-placed-in-staged-maxillary-sinus-augmentation-using-bovine-bone-mineral-mixed-with-autogenous-bone-at-three-different-ratios-a-5-year-prospective-follow-up-study
#17
Stefan Krennmair, Michael Weinländer, Michael Malek, Thomas Forstner, Gerald Krennmair, Michael Stimmelmayr
PURPOSE: To evaluate the 5-year clinical outcomes for implants placed in a staged sinus floor elevation (SFE) procedure and to compare three patient groups with sinus grafts with three different ratios of bovine bone mineral (BBM) and autogenous bone (AB) mixture. MATERIALS AND METHODS: A 5-year prospective cohort study was conducted on 81 patients with 119 staged SFEs non-randomly distributed to three groups based on the origin of the AB and the mixture ratio with BBM: group 1 (locally harvested AB [LHB] from osteotomy sites + BBM, ratio: 1:10), 31 patients, 37 SFEs; group 2: (LHB + intraorally harvested peripheral AB [IHPB] from retromolar/chin region + BBM, ratio: 1:4), 22 patients, 29 SFEs; and group 3 (LHB + extraorally harvested peripheral AB [EHPB] from iliac crest/tibia + BBM, ratio 1:1), 28 patients, 53 SFEs...
November 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30427966/20-year-follow-up-in-maxillary-sinus-floor-elevation-using-bovine-derived-bone-mineral-a-case-report-with-histologic-and-histomorphometric-evaluation
#18
Pascal Valentini, Dieter D Bosshardt
Bovine-derived bone mineral demonstrated good osteoconductive properties as grating material for maxillary sinus floor elevation, but the long-term behavior of this material has not been reported. The purpose of this report was to analyze and compare histomorphometric measurements of new bone, bone graft, and medullar spaces 6 months, 12 months, and 20 years after grafting. In the grafted area, the amount of mineralized bone was 16.96% at 6 months, 22.53% at 12 months, and 22.05% at 20 years, respectively. The amount of bovine-derived bone mineral ranged from 35...
November 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30427965/microbiologic-analysis-of-immediately-loaded-full-arch-implant-retained-prosthesis-protocol-after-2-years-of-loading-a-retrospective-study
#19
Anibal Narvaja, Jamil Awad Shibli, Abilio Coppede, Gabriela Giro, Magda Feres, Marcelo Faveri
PURPOSE: The All-on-4 treatment concept has been shown to be an effective clinical procedure; however, to date, no studies have analyzed the subgingival microbiota present in these restorations. The purpose of this study was to evaluate the microbial profile of the subgingival biofilm around dental implants placed in the All-on-4 protocol and compare the microbial profile around axial and tilted implants. MATERIALS AND METHODS: Fourteen subjects treated by the All-on-4 concept were evaluated clinically and microbiologically...
November 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/30427964/higher-resolution-in-cone-beam-computed-tomography-is-accompanied-by-improved-bone-detection-in-peri-implant-bone-despite-metal-artifact-presence
#20
Valentin Kerkfeld, Ulrich Meyer
PURPOSE: The aim of this study was to determine the possibility and extent of artifact reduction by an optimized use of cone beam computed tomography (CBCT) parameter configuration (geometric resolution, implant geometric parameters, and image analyses). It furthermore sought to determine the distance from correctly reproduced bone tissue to an implant, where the grayscale values are equal to the pre-implantation values. MATERIALS AND METHODS: Titanium implants were inserted into pig tibia under standardized conditions...
November 2018: International Journal of Oral & Maxillofacial Implants
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