Brudvik's Advanced Removable Partial Dentures
Abstract
Technical manual describing the function of each element of removable partial dentures, clinical and laboratory steps of RPD design and fabrication. Discussion of various types of prostheses and when/how to use them.
... 13 This value is consistent with other estimates that 30% to 50% of distal extension RPDs are not worn. [8][9][10][11][12] A systematic review by Moldovan et al 14 reported that RPDs in patients with moderately reduced dentition exhibit 50% survival rate after 25 years, while other authors reported a 33% to 50% loss of retention for RPDs after just 1 to 3 years of follow-up. 15,16 Because of these unreliable clinical and therapeutic outcomes with the use of distal extension RPDs, a recent systematic review suggested that treatment alternatives be considered. ...
Statement of problem: Implant-assisted removable partial dentures (IARPDs) have been used to treat partially edentulous patients, yet limited information is available on the relationship between prosthetic complications and patient satisfaction as compared with conventional removable partial dentures (RPDs).
Purpose: The purpose of this randomized controlled clinical trial was to measure the satisfaction of patients who received either conventional or RPDs assisted by short implants and to assess and compare the incidence and type of prosthetic complications after a mean observational period of 34 months.
Material and methods: Thirty-one healthy and bilaterally edentulous (Kennedy Class I) individuals who were seeking treatment and were candidates for posterior implant placement, were randomly allocated to either the conventional removable partial denture (CRPD) or the short implant-assisted removable partial denture (IARPD) groups. CRPDs following the same fabrication procedures were delivered to all participants irrespective of the group assignment,. One month after delivery, each participant from the IARPD group received 2 short implants. Upon osseointegration, the existing prostheses were converted to IARPDs with the use of LOCATOR attachments. The chi-squared test, log-rank test, and Mann-Whitney U test were used for statistical analysis (α=.05).
Results: Data were collected from 31 participants: 18 in the CRPD and 13 in the IARPD group. The results showed that prosthetic complications occurred in both CRPD and IARPD groups. The chi-squared test showed no statistically significant difference between the 2 groups with regard to the incidence of prosthetic complications (P=.474). The log-rank test used for survival rate and complications showed no statistically significant difference between the 2 groups (P=.903). The Mann-Whitney U test showed no statistically significant difference in patient satisfaction between the 2 groups (P=.938).
Conclusions: No statistically significant difference in the incidence and type of prosthetic complications was observed between conventional and RPDs assisted by short implants after a mean observation period of 34 months.
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