Multicentre prospective evaluation of implant-assisted mandibular removable partial dentures: surgical and prosthodontic outcomes

Clinical Oral Implants Research
Alan G T PayneSunyoung Ma

Abstract

To determine implant survival and prosthodontic maintenance of implant-assisted mandibular removable partial dentures in a multicentre prospective study up to 10 years. Forty-eight participants with mandibular distal extension partial dentures were selected. A control group of 12 New Zealand participants had new conventional mandibular partial dentures made. Three test groups of 36 participants in New Zealand (n = 12), the Netherlands (n = 12) and Colombia (n = 12) had bilateral distal implants placed. Surgical and prosthodontic outcomes were documented with only healing caps placed (Stage 1) and with an attachment system (Stage 2). No implants failed after 3 years. Four late implant failures in three participants occurred in New Zealand (two unilateral implant failures after 5 and 8 years and two bilateral implant failures in the same participant after 6 and 10 years); two unilateral late implant failures occurred in the Netherlands and no late failures in Colombia. Implant survival rate was 92% by 10 years. Resonance frequency measurements were taken at surgery implant stability quotient (ISQ) 62.44 ± 7.46; range 40 - 79), baseline (ISQ 63.22 ± 6.17; range 50 - 74) and after 3 years (ISQ 66.38 ± 6.77; range 55 - 83). In New Z...Continue Reading

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Citations

Sep 12, 2019·Journal of the Korean Association of Oral and Maxillofacial Surgeons·Selda Arat BilhanHakan Bilhan
Oct 23, 2020·International Journal of Implant Dentistry·Toshifumi NogawaAtsuro Yokoyama
Aug 1, 2021·The Journal of Prosthetic Dentistry·Cleidiel Aparecido Araujo LemosEduardo Piza Pellizzer

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