Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Major Prosthetic Factors Influencing the Prognosis of Implant Prosthodontics. A Systematic Review.

Version 1 : Received: 16 December 2020 / Approved: 18 December 2020 / Online: 18 December 2020 (11:34:49 CET)

A peer-reviewed article of this Preprint also exists.

Montero, J. A Review of the Major Prosthetic Factors Influencing the Prognosis of Implant Prosthodontics. J. Clin. Med. 2021, 10, 816. Montero, J. A Review of the Major Prosthetic Factors Influencing the Prognosis of Implant Prosthodontics. J. Clin. Med. 2021, 10, 816.

Journal reference: J. Clin. Med. 2021, 10, 816
DOI: 10.3390/jcm10040816

Abstract

Background: The treatment plan of prosthetic restorations supported by dental implants require comprehensive scientific knowledge to deliver prostheses with good prognosis, even before the implant insertion. This review aims to analyze the main prosthetic determinants of the prognosis of implant-supported prostheses. Methods: A systematic review of the literature was conducted with a PICO question: "For partially or complete edentulous subjects treated with implant-supported prostheses, which prosthetic factors could affect clinical outcomes?". A literature search was performed electronically in PubMed (MEDLINE), Scopus and Cochrane Library with the following equation [PROGNOS* OR RISK] FACTOR IMPLANT DENTAL, and by hand search in relevant journals and throughout the selected papers. Results: This revision was carried out based on 50 papers focused on several prosthodontics-related risk factors that were grouped as follows: implant-connection, loading protocol, transmucosal abutments, prosthetic fit, provisionalization, type of retention, impression technique, fabrication technique, and occlusion. More than a half of the studies were systematic reviews (30%), meta-analysis (16%) or prospective evaluations of prosthesis with various kinds of events (18%). But also narrative reviews of literature (14%) and in vitro/animal studies (16%) were found. Conclusions: The current literature provides insufficient evidence for most of the investigated topics. However, based on the accumulated data, it seems reasonable to defend that the best treatment approach is the use of morse taper implants with transmucosal abutments, recorded by means of rigidly splinted copings through the pick-up technique, and screwed by milled prosthesis occlusally adjusted to minimize functional overloading.

Keywords

Prognosis; prosthodontics; dental implant; clinical performance; risk factor.

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