Abstract
BackgroundThe aim of this retrospective study was to document the long-term clinical efficacy of a surgical-prosthetic technique (the flat one-bridge technique) involving the immediate restoration of both postextraction and nonpostextraction implants supporting full-arch restorations.MethodsImplants were placed by adapting the axis to the available bone. Flat definitive abutments were connected during surgery and never disconnected to compensate for eventual implant disparallelism. Bone grafting was performed when needed. The patients received a screw-retained provisional restoration within 48 h of surgery and a final screw-retained prosthesis within 1 year.ResultsSixty-six patients received 494 implants distributed in 75 prostheses. The median follow-up was 86 months (range 82–168 months). Only three implants had failed at the last follow-up. Implant survival was 99.6%.ConclusionThe flat one-bridge prosthetic protocol is a viable procedure with excellent long-term outcomes. No difference in clinical success could be observed between postextractive and nonpostextractive implants.
Highlights
The aim of this retrospective study was to document the long-term clinical efficacy of a surgicalprosthetic technique involving the immediate restoration of both postextraction and nonpostextraction implants supporting full-arch restorations
The aim of the present study was to evaluate the clinical outcome of implants placed in healed and extraction sites and immediately loaded with full-arch restorations by means of the flat one-bridge technique, which should allow an easy prosthetic phase and convenient passivation of the suprastructure [14, 15]
A total of 13 prostheses were supported by 4 implants, 2 prostheses were supported by 5 implants, 24 prostheses were supported by 6 implants, 9 prostheses were supported by 7 implants, 22 prostheses were supported by 8 implants, 1 prosthesis was supported by 9 implants, and 4 prostheses were supported by 10 implants
Summary
The aim of this retrospective study was to document the long-term clinical efficacy of a surgicalprosthetic technique (the flat one-bridge technique) involving the immediate restoration of both postextraction and nonpostextraction implants supporting full-arch restorations. Marconcini et al BMC Oral Health (2021) 21:617 differences between immediate-loading and delayedloading full-arch protocols in terms of clinical, radiological, or patient-related outcomes [9], meaning that shortened procedures should always be adopted when medical indications and oral surgeon experience is equal. Concerns about local infection, achieving primary stability of the implant, and respecting the intended implant position are only a few of the short-term surgical tasks that directly influence the outcome of IIP. Compliance with those requirements depends primarily on the clinician’s expertise, the instruments used and the implant design [10]
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