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International Journal of Oral & Maxillofacial Implants

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https://www.readbyqxmd.com/read/27835707/cortical-and-trabecular-bone-healing-patterns-and-quantification-for-three-different-dental-implant-systems
#1
Heloisa F Marão, Ryo Jimbo, Rodrigo Neiva, Luiz Fernando Gil, Michelle Bowers, Estevam A Bonfante, Nick Tovar, Malvin N Janal, Paulo G Coelho
PURPOSE: The present study hypothesized that different bone healing patterns through initial stages of osseointegration would be observed when three distinct commercially available implant systems (Nobel Groovy, Implacil, and Zimmer TSV) were used, leading to significant variations in histometric levels of total bone and new bone formation during the osseointegration process. MATERIALS AND METHODS: A total of 48 implants were placed bilaterally on the tibias of eight beagle dogs and allowed to heal for 2 and 6 weeks...
November 11, 2016: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095527/satisfaction-and-clinical-outcomes-among-patients-with-immediately-loaded-mandibular-overdentures-supported-by-one-or-two-dental-implants-results-of-a-5-year-prospective-randomized-clinical-trial
#2
Mats Kronstrom, Ben Davis, Robert Loney, Jack Gerrow, Lars Hollender
PURPOSE: The purpose of this study was to evaluate patient satisfaction and clinical outcomes among subjects with mandibular overdentures supported by one or two immediately placed dental implants 5 years after loading. MATERIALS AND METHODS: Thirty-six subjects (16 men and 20 women) received one or two dental implants in the anterior mandible, and all implants were loaded the day of surgery. Subjects were scheduled for follow-up 3-, 6-, and 12 months after implant placement and thereafter annually for 4 more years...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095526/effects-of-platform-switching-on-peri-implant-soft-and-hard-tissue-outcomes-a-systematic-review-and-meta-analysis
#3
Yung-Ting Hsu, Guo-Hao Lin, Hom-Lay Wang
PURPOSE: This systematic review and meta-analysis was aimed at evaluating the longitudinal effect of platform switching on implant survival rates as well as on soft and hard tissue outcomes. MATERIALS AND METHODS: An electronic search of the databases of the National Center for Biotechnology Information, PubMed, Ovid (MEDLINE), EMBASE, Web of Science, and Cochrane Collaboration Library was conducted in February 2015. Studies published in English with at least 10 human participants and a 12-month post-loading follow-up were included...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095525/mechanism-and-clinical-properties-of-stembios-cell-therapy-induction-of-early-osseointegration-in-novel-dental-implants
#4
Chao-Chia Weng, Keng-Liang Ou, Chia-Yu Wu, Yen-Heng Huang, James Wang, Yun Yen, Han-Yi Cheng, Yun-Ho Lin
PURPOSE: To examine early bone tissue healing in dental implants incorporating StemBios cell therapy. MATERIALS AND METHODS: SLAffinity samples were examined by scanning electron microscopy and atomic force microscopy. The clinical trial comprised 11 patients, who each received a dental implant in the mandible. Only one of these 11 patients received StemBios cell therapy in combination with the dental implant. The patients continued to be observed over a 4-month period after implantation using computed tomography and resonance frequency analysis...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095524/combination-of-collagen-barrier-membrane-with-enamel-matrix-derivative-liquid-improves-osteoblast-adhesion-and-differentiation
#5
Richard J Miron, Masako Fujioka-Kobayashi, Daniel Buser, Yufeng Zhang, Dieter D Bosshardt, Anton Sculean
PURPOSE: Collagen barrier membranes were first introduced to regenerative periodontal and oral surgery to prevent fast ingrowing soft tissues (ie, epithelium and connective tissue) into the defect space. More recent attempts have aimed at combining collagen membranes with various biologics/growth factors to speed up the healing process and improve the quality of regenerated tissues. Recently, a new formulation of enamel matrix derivative in a liquid carrier system (Osteogain) has demonstrated improved physico-chemical properties for the adsorption of enamel matrix derivative to facilitate protein adsorption to biomaterials...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095523/effects-of-titanium-surface-microtopography-and-simvastatin-on-growth-and-osteogenic-differentiation-of-human-mesenchymal-stem-cells-in-estrogen-deprived-cell-culture
#6
Premjit Arpornmaeklong, Prisana Pripatnanont, Chonticha Chookiatsiri, Boonsin Tangtrakulwanich
PURPOSE: This study aimed to investigate the effects of titanium surface topography and simvastatin on growth and osteogenic differentiation of human bone marrow stromal cells (hBMSCs) in estrogen-deprived (ED) cell culture. MATERIALS AND METHODS: Human BMSCs were seeded on cell culture plates, smooth-surface titanium (Ti) disks, and sandblasted with large grits and acid etched (SLA)-surface Ti disks; and subsequently cultured in regular (fetal bovine serum [FBS]), ED, and ED-with 100 nM simvastatin (ED-SIM) culture media for 14 to 21 days...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095522/correlation-between-resonance-frequency-analysis-and-bone-quality-assessments-at-dental-implant-recipient-sites
#7
Min-Wen Fu, Earl Fu, Fu-Gong Lin, Wei-Jeng Chang, Yao-Dung Hsieh, E-Chin Shen
PURPOSE: To evaluate whether primary implant stability could be used to predict bone quality, the association between the implant stability quotient (ISQ) value and the bone type at the implant site was evaluated. MATERIALS AND METHODS: Ninety-five implant sites in 50 patients were included. Bone type (categorized by Lekholm and Zarb) at the implant site was initially assessed using presurgical dental radiography. During the preparation of the implant site, a bone core specimen was carefully obtained...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095521/evaluation-of-ultrashort-and-longer-implants-with-microrough-surfaces-results-of-a-24-to-36-month-prospective-study
#8
Luciano Malchiodi, Riccardo Caricasulo, Alessandro Cucchi, Raffaele Vinci, Enrico Agliardi, Enrico Gherlone
PURPOSE: The aim of this prospective study was to establish if ultrashort implants are a reliable therapeutic solution by evaluating their effect on mean crestal bone loss and assessing their survival and success rates. MATERIALS AND METHODS: Patients were treated using 6-, 9-, and 11-mm-long implants with sandblasted and acid-etched surfaces and fitted with fixed partial prostheses. Clinical and radiographic examinations were scheduled yearly. Data collected included the implant positioning site, implant length and diameter, peri-implant bone loss (PBL), and clinical and anatomical C/I ratios...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095520/dental-implants-in-the-elderly-population-a-long-term-follow-up
#9
Sharon M Compton, Danielle Clark, Stephanie Chan, Iris Kuc, Berhanu A Wubie, Liran Levin
PURPOSE: The objectives of this study were to evaluate implant survival and success in the elderly population and to assess indicators and risk factors for success or failure of dental implants in older adults (aged 60 years and older). MATERIALS AND METHODS: This historical prospective study was developed from a cohort of patients born prior to 1950 who received dental implants in a single private dental office. Implant survival and marginal bone levels were recorded and analyzed with regard to different patient- and implant-related factors...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095519/a-clinical-study-assessing-the-influence-of-anodized-titanium-and-zirconium-dioxide-abutments-and-peri-implant-soft-tissue-thickness-on-the-optical-outcome-of-implant-supported-lithium-disilicate-single-crowns
#10
Francisco Martínez-Rus, Marta Prieto, María P Salido, Cristina Madrigal, Mutlu Özcan, Guillermo Pradíes
PURPOSE: To assess the influence of anodized titanium and zirconium dioxide abutments and peri-implant soft tissue thickness on the optical outcome of implant-supported lithium disilicate single crowns. MATERIALS AND METHODS: Twenty patients with a missing maxillary single incisor, canine, or first premolar received an endosseous implant after a two-stage surgery protocol. After healing and soft tissue conditioning, peri-implant soft tissues were reproduced in the impression, and the thickness was measured...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095518/long-term-results-of-peri-implant-conditions-in-periodontally-compromised-patients-following-lateral-bone-augmentation
#11
Philip L Keeve, Fouad Khoury
PURPOSE: The aim of this retrospective study was to compare long-term (≥ 5 years) outcomes of implants placed in patients treated for chronic periodontitis versus those placed in periodontally healthy patients. In both groups, the implants were placed in alveolar ridges that were laterally augmented with autogenous bone block grafts using a split bone block technique. MATERIALS AND METHODS: Two hundred ninety-two patients were screened in the course of supportive periodontal treatment examinations...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095517/radiographic-evaluation-of-crestal-bone-level-in-split-crest-and-immediate-implant-placement-minimum-5-year-follow-up
#12
Giovanni B Bruschi, Paolo Capparé, Fabrizio Bravi, Nicola Grande, Enrico Gherlone, Giorgio Gastaldi, Roberto Crespi
PURPOSE: This study aimed to evaluate the radiographic bone level changes of implants positioned via the split-crest procedure both in the maxilla and mandible at a long-term follow-up. MATERIALS AND METHODS: Seventy-one patients were retrospectively enrolled in the study. The placement of 137 dental implants was performed in the edentulous premolar or molar region after a split-crest ridge expansion procedure. Implants followed a delayed loading protocol. Intraoral digital radiographs were performed at baseline, upon implant placement, at 70 days (following placement of the provisional prosthesis), and on a yearly basis during followup...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095516/effect-of-nanofeatured-topography-on-ceria-stabilized-zirconia-alumina-nanocomposite-on-osteogenesis-and-osseointegration
#13
Yoko Oshima, Fuminori Iwasa, Keita Tachi, Kazuyoshi Baba
PURPOSE: The objective of this study was to evaluate the osteogenic and osseointegration capability of the Ce-tetragonal zirconia polycrystal (TZP)-based nanostructured zirconia/alumina composite (Ce-TZP/Al₂O₃) that was treated with hydrofluoric acid (HF). MATERIALS AND METHODS: Osteogenic MC3T3-E1 cells were cultured on acid-etched titanium (AETi) disks and Ce-TZP/Al₂O₃ disks without HF treatment (Zr[0%]), with 4% HF treatment (Zr[4%]), or with 55% HF treatment (Zr[55%]) for 24 hours, and biologic responses were compared among four conditions in vitro...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095515/effects-of-ultraviolet-photofunctionalization-on-bone-augmentation-and-integration-capabilities-of-titanium-mesh-and-implants
#14
Makoto Hirota, Takayuki Ikeda, Masako Tabuchi, Tomomichi Ozawa, Iwai Tohnai, Takahiro Ogawa
PURPOSE: Ultraviolet (UV)-mediated photofunctionalization has earned considerable attention for the enhancement of the biologic capabilities of titanium. The effects of photofunctionalization on bone augmentation and gap closure were examined using titanium implants and mesh in a rat femur model. MATERIALS AND METHODS: An acid-etched titanium implant (4-mm length, 1-mm diameter) was placed in the gluteal tuberosity that resembles a knife-edge-like edentulous ridge...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095514/influence-of-stepped-osteotomy-on-primary-stability-of-implants-inserted-in-low-density-bone-sites-an-in-vitro-study
#15
Marco Degidi, Giuseppe Daprile, Adriano Piattelli
PURPOSE: The aims of this study were to evaluate the ability of a stepped osteotomy to improve dental implant primary stability in low-density bone sites and to investigate possible correlations between primary stability parameters. MATERIALS AND METHODS: The study was performed on fresh humid bovine bone classified as type III. The test group consisted of 30 Astra Tech EV implants inserted following the protocol provided by the manufacturer. The first control group consisted of 30 Astra Tech EV implants inserted in sites without the underpreparation of the apical portion...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/27912213/histomorphometric-evaluation-of-two-different-bone-substitutes-in-sinus-augmentation-procedures-a-randomized-controlled-trial-in-humans
#16
Ruggero Rodriguez Baena, Roberta Pastorino, Enrico Felice Gherlone, Letizia Perillo, Saturnino Marco Lupi, Alessandra Lucchese
PURPOSE: The histomorphometric results of sinus floor augmentation with deproteinized bovine bone (DBB) and a new fully synthetic bone substitute, poly(lactic-co-glycolic acid/hydroxyapatite) (PLGA/HA), were compared in humans. MATERIALS AND METHODS: Twelve maxillary sinuses of eight patients requiring major maxillary sinus floor augmentation and free of concomitant conditions (ASA scores 1 and 2) were studied. Lateral sinus augmentation was performed using DBB or PLGA/HA grafts; sites were randomly assigned to control or test groups...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/27835708/meta-analysis-of-randomized-controlled-trials-comparing-clinical-outcomes-between-short-implants-and-long-implants-with-bone-augmentation-procedure
#17
Qingchun Tong, Xingwen Zhang, Liming Yu
PURPOSE: The purpose of this meta-analysis was to assess and compare clinical outcomes of short implants versus long implants placed in conjunction with a bone augmentation procedure. MATERIALS AND METHODS: The eligible studies were searched from PubMed, Embase, Springer link, and the Cochrane library databases up to 23 January 2015. Prosthesis failures, implant failures, complications, and marginal bone loss were the clinical outcomes measured. The pooled weighted mean difference (WMD) or risk ratios (RRs) and their 95% confidence intervals (CIs) were used to measure the effect size of continuous variables and dichotomous variables, respectively...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/27835706/association-between-peri-implant-bone-morphology-and-marginal-bone-loss-a-retrospective-study-on-implant-supported-mandibular-overdentures
#18
Qian Ding, Lei Zhang, Wil Geraets, Wuqing Wu, Yongsheng Zhou, Daniel Wismeijer, Qiufei Xie
PURPOSE: The present study aimed to explore the association between marginal bone loss and type of peri-implant bony defect determined using a new peri-implant bony defect classification system. MATERIALS AND METHODS: A total of 110 patients with implant-supported mandibular overdentures were involved. Clinical information was collected, including gender, age, smoking habit, and the overdenture attachment system used. Peri-implant bony defect types and marginal distances (ie, distance between the marginal bone level and the top of the implant shoulder) of all sites were identified on panoramic radiographs by a single experienced observer...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/27741329/a-novel-osseous-densification-approach-in-implant-osteotomy-preparation-to-increase-biomechanical-primary-stability-bone-mineral-density-and-bone-to-implant-contact
#19
Salah Huwais, Eric G Meyer
PURPOSE: It is essential to have sufficient bone bulk and density at the implant site in order to achieve good bone-to-implant contact and primary stability, which are crucial for osseointegration. A new osteotomy preparation technique was recently introduced that uses a bone preservation method that creates a layer of compacted bone along the surface of the osteotomy. The hypothesis of this study was that this novel technique would increase primary implant stability, bone mineral density, and the percentage of bone at the implant surface compared with drilling technique...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/27706264/three-dimensional-accuracy-of-digital-implant-impressions-effects-of-different-scanners-and-implant-level
#20
Amelia A Chew, Roxanna J Esguerra, K H Teoh, K M Wong, Simon D Ng, Keson B Tan
PURPOSE: To compare the three-dimensional (3D) accuracy of conventional direct implant impressions with digital implant impressions from three intraoral scanners, as well as different implant levels-bone level (BL) and tissue level (TL). MATERIALS AND METHODS: Two-implant master models were used to simulate a threeunit implant-supported fixed dental prosthesis. Conventional test models were made with direct impression copings and polyether impressions. Scan bodies were hand-tightened onto master models and scanned with the three scanners...
January 2017: International Journal of Oral & Maxillofacial Implants
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