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Browsing by Author "Aghaloo, Tara"
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Item Group 2 ITI Consensus Report: Prosthodontics and implant dentistry(Wiley, 2018-10) Morton, Dean; Gallucci, German; Lin, Wei-Shao; Pjetursson, Bjarni; Polido, Waldemar; Roehling, Stefan; Sailer, Irena; Aghaloo, Tara; Albera, Hugo; Bohner, Lauren; Braut, Vedrana; Buser, Daniel; Chen, Stephen; Dawson, Anthony; Eckert, Steven; Gahlert, Michael; Hamilton, Adam; Jaffin, Robert; Jarry, Christian; Karayazgan, Banu; Laine, Juhani; Martin, William; Rahman, Lira; Schlegel, Andreas; Shiota, Makato; Stilwell, Charlotte; Vorster, Christiaan; Zembic, Anja; Zhou, Wenjie; Prosthodontics, School of DentistryObjectives Working Group 2 was convened to address topics relevant to prosthodontics and dental implants. Systematic reviews were developed according to focused questions addressing (a) the number of implants required to support fixed full‐arch restorations, (b) the influence of intentionally tilted implants compared to axial positioned implants when supporting fixed dental prostheses (FDPs), (c) implant placement and loading protocols, (d) zirconia dental implants, (e) zirconia and metal ceramic implant supported single crowns and (f) zirconia and metal ceramic implant supported FDPs. Materials and methods Group 2 considered and discussed information gathered in six systematic reviews. Group participants discussed statements developed by the authors and developed consensus. The group developed and found consensus for clinical recommendations based on both the statements and the experience of the group. The consensus statements and clinical recommendations were presented to the plenary (gathering of all conference attendees) and discussed. Final versions were developed after consensus was reached. Results A total of 27 consensus statements were developed from the systematic reviews. Additionally, the group developed 24 clinical recommendations based on the combined expertise of the participants and the developed consensus statements. Conclusions The literature supports the use of various implant numbers to support full‐arch fixed prostheses. The use of intentionally tilted dental implants is indicated when appropriate conditions exist. Implant placement and loading protocols should be considered together when planning and treating patients. One‐piece zirconia dental implants can be recommended when appropriate clinical conditions exist although two‐piece zirconia implants should be used with caution as a result of insufficient data. Clinical performance of zirconia and metal ceramic single implant supported crowns is similar and each demonstrates significant, though different, complications. Zirconia ceramic FDPs are less reliable than metal ceramic. Implant supported monolithic zirconia prostheses may be a future option with more supporting evidence.Item Number of implants placed for complete‐arch fixed prostheses: A systematic review and meta‐analysis(Wiley, 2018-10) Polido, Waldemar Daudt; Aghaloo, Tara; Emmett, Thomas W.; Taylor, Thomas D.; Morton, Dean; Oral and Maxillofacial Surgery and Hospital Dentistry, School of DentistryObjectives The main purpose of this systematic review was to evaluate outcomes related to the number of implants utilized to support complete‐arch fixed prostheses, both for the maxilla and the mandible. Materials and methods This review followed the reporting guidelines of the Preferred Reporting Items for Systematic Reviews and Meta‐Analyses (PRISMA). A focused question using the PICO format was developed, questioning whether “In patients with an implant supported fixed complete dental prosthesis, do implant and prosthetic survival outcomes differ between five or more compared to fewer than five supporting implants?”. A comprehensive search of the literature was formulated and performed electronically and by hand search. Two independent reviewers selected the papers and tabulated results. Primary outcomes analyzed were implant and prosthesis survival. Implant distribution, loading, and type of retention were observed as secondary outcomes, as they relate to the number of implants. A meta‐analysis was performed to compare results for studies by number of implants. Results The search strategy identified 1,579 abstracts for initial review. Based on evaluation of the abstracts, 359 articles were identified for full‐text evaluation. From these, 93 were selected and included in this review, being nine RCTs, 42 prospective and 42 retrospective. Of the 93 selected studies, 28 reported number of implants for the maxilla, 46 for the mandible, and 19 for both maxilla and mandible. The most reported number of implants for the “fewer than five” group is 4 for the maxilla, and 3 and 4 for the mandible, whereas for the “five or more” implants group, the most reported number of implants was 6 for the maxilla and 5 for the mandible. No significant differences in the primary outcomes analyzed were identified when fewer than five implants per arch were compared with five or more implants per arch (p > 0.05), in a follow‐up time ranging from 1 to 15 years (median of 8 years). Conclusions Evidence from this systematic review and meta‐analysis suggests that the use of fewer than five implants per arch, when compared to five or more implants per arch, to support a fixed prosthesis of the completely edentulous maxilla or mandible, present similar survival rates, with no statistical significant difference at a p < 0.05 and a confidence interval of 95%.