TITLE

Mini vs. Standard Implants for Mandibular Overdentures: A Randomized Trial

AUTHOR(S)
de Souza, R. F.; Ribeiro, A. B.; Della Vecchia, M. P.; Costa, L.; Cunha, T. R.; Reis, A. C.; Albuquerque, R. F.
PUB. DATE
October 2015
SOURCE
Journal of Dental Research;Oct2015, Vol. 94 Issue 10, p1376
SOURCE TYPE
Academic Journal
DOC. TYPE
journal article
ABSTRACT
A mandibular implant-retained overdenture is considered a first-choice treatment for edentulism. However, some aspects limit the use of standard implants-for example, the width of edentulous ridges, chronic diseases, fear, or costs. This randomized trial compared mandibular overdentures retained by 2 or 4 mini-implants with standard implants, considering oral health-related quality of life (OHRQoL), patient satisfaction, and complications such as lost implant. In sum, 120 edentulous men and women (mean age, 59.5 ± 8.5 y) randomly received 4 mini-implants, 2 mini-implants, or 2 standard implants. Participants provided data regarding OHRQoL and satisfaction until 12 mo. Clinical parameters, including implant survival rate, were also recorded. Both 2 and 4 mini-implants led to better OHRQoL, compared with 2 standard implants. Treatment with 4 mini-implants was more satisfying than 2 standard implants, with 2 mini-implants presenting intermediate results. Implant survival rate was 89%, 82%, and 99% for 4 mini-implants, 2 mini-implants, or 2 standard implants, respectively. Overdentures retained by 4 or 2 mini-implants can achieve OHRQoL and satisfaction at least comparable with that of 2 standard implants. However, the survival rate of mini implants is not as high as that of standard implants (ClinicalTrials.gov NCT01411683).
ACCESSION #
110283969

 

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