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International Journal of Oral & Maxillofacial Implants

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https://www.readbyqxmd.com/read/28212456/influence-of-posterior-mandibular-dimensions-on-alveolar-bone-microarchitecture
#1
Alberto Monje, Yiqun Wu, Wei Huang, Wenjie Zhou, Pablo Galindo-Moreno, Jesus Montanero-Fernandez, Rachel A Sheridan, Hom-Lay Wang, Feng Wang
PURPOSE: The aim of this study was to investigate the influence of posterior mandibular dimensions (height and width at various levels) on alveolar bone microarchitecture using microcomputed tomography (micro-CT). MATERIALS AND METHODS: Partially edentulous subjects with one missing molar were included in the study. A bone core biopsy was performed at the site of planned implant surgery. For each patient, alveolar morphologic and architectural characteristics were analyzed using cone beam computed tomography (CBCT) and micro-CT imaging...
February 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28212455/retrospective-analysis-of-dental-implants-placed-between-2012-and-2014-indications-risk-factors-and-early-survival
#2
Koenraad Grisar, Deepti Sinha, Joseph Schoenaers, Titiaan Dormaar, Constantinus Politis
PURPOSE: The aim of this study was to review the indications for implant placement, early outcomes, and associated risk factors. MATERIALS AND METHODS: A retrospective cohort study design was used. The study was composed of a group of 509 consecutive patients, which represented the total number of patients treated from 2012 to 2014 in the Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Belgium. The authors analyzed the indications for implant placement and the potential risk factors for early implant failure...
February 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28212454/clinical-comparison-of-screw-retained-and-screwless-morse-taper-implant-abutment-connections-one-year-postloading-results
#3
Esma Geckili, Onur Geckili, Hakan Bilhan, Omer Kutay, Tayfun Bilgin
PURPOSE: The purpose of this study was to clinically evaluate the screwless Morse taper implant-abutment connection type, in which the retention screw is totally eliminated, in terms of stability, success, periodontal parameters, and marginal bone levels after 1 year of function by comparing it with a passive fit internal implant-abutment connection, wherein a space exists between the matching components. MATERIALS AND METHODS: Each edentulous subject received an implant with a screwless Morse taper connection (MT) in the left canine area of the mandible and an implant with a screw-retained implant-abutment connection (SR) in the right canine area of the mandible...
February 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28212453/bone-morphogenetic-protein-2-hybridized-with-nano-anchored-oligonucleotides-on-titanium-implants-enhances-osteogenic-differentiation-in-vivo
#4
Florian Böhrnsen, Jennifer Rublack, Nelia Aeckerle, Anne Foerster, Bernd Schwenzer, Judith Reichert, Dieter Scharnweber, Henning Schliephake
PURPOSE: Previous in vitro studies have shown that DNA oligonucleotides (ODN) can be successfully used as anchor strands for the binding and retarded release of biologically active recombinant human bone morphogenetic protein 2 (rhBMP-2). The aim of the present study was to test the hypothesis that rhBMP-2 bound to the surface of titanium implants through hybridization with nano-anchored ODN strands is biologically active and can enhance the induction of osteogenic markers in peri-implant bone in vivo...
February 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28212452/bone-to-implant-contact-and-new-bone-formation-within-human-freeze-dried-bone-blocks-grafted-over-rabbit-calvaria
#5
Zvi Artzi, Karen Anavi-Lev, Avital Kozlovsky, Liat Chaushu, Frank Schwarz, Haim Tal
PURPOSE: To assess the extent of osseointegration with rough-surface implants and new bone formation (NBF) within human freeze-dried bone blocks (h-FDB) grafted over rabbit calvaria. MATERIALS AND METHODS: A total of 18 rectangular h-FDB blocks were stabilized bilaterally to the calvaria of nine New Zealand rabbits by two mini titanium screws each. A total of 18 rough-surface implants (5.0 × 6.0-mm) were placed, 9 simultaneously (immediate placement [IP]) on one side and 9 at 3 months after block grafting (delayed placement [DP]) on the contralateral side...
February 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28170452/implications-of-wear-at-the-titanium-zirconia-implant-abutment-interface-on-the-health-of-peri-implant-tissues
#6
Andrew Tawse-Smith, Sunyoung Ma, Warwick J Duncan, Andrew Gray, Malcolm R Reid, Alison M Rich
PURPOSE: To investigate the presence of metallic particles in the peri-implant mucosa around titanium dental implants after 5 years of loading using single-implant crowns with respect to clinical signs of peri-implant inflammation. MATERIALS AND METHODS: Sixteen participants from an ongoing, prospective, single-arm clinical trial who had received titanium dental implants restored with single maxillary crowns veneered to zirconia abutments were available for the study...
February 7, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28170451/sealing-the-screw-access-channel-with-polytetrafluoroethylene-tape-advantages-of-the-technique
#7
Ana Teresa Maluly-Proni, Rodolfo Bruniera Anchieta, Thaís Yumi Suzuki, Fernanda Garcia de Oliveira, Ana Paula Guedes, Eduardo Passos Rocha, Wirley Gonçalves Assunção, Paulo Henrique Dos Santos
The aim of this article is to describe the procedure for sealing the screw access channel using plastic tape, polytetrafluoroethylene, in screw- or cement-retained implant-supported prostheses. This technique is viable and easily performed, and the functional and esthetic results are satisfactory.
February 7, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28170450/zirconia-implants-as-an-alternative-to-titanium-a-systematic-review-and-meta-analysis
#8
Basel Elnayef, Aida Lázaro, Fernando Suárez-López Del Amo, Pablo Galindo-Moreno, Hom-Lay Wang, Jordi Gargallo-Albiol, Federico Hernández-Alfaro
PURPOSE: The aim of the present study was to systematically evaluate the marginal bone loss (MBL), success, and survival of zirconia (Zi) implants and compare them with the widely studied titanium (Ti) implants. MATERIALS AND METHODS: An electronic and manual literature search of several databases was performed by two independent reviewers for articles up to July 2015 that reported the use of Zi implants and survival, success, and MBL with at least 12 months' follow-up...
February 7, 2017: 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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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