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Thomason JM, Moynihan PJ et al. J Dent Res 2007; 86: 646–650

Removable partial dentures (RPDs) in the lower arch are frequently not used. There are also possible associated problems of root caries. In this study, 60 patients were allocated randomly to RPDs or resin-bonded cantilever bridges (FPDs), and followed for 5 yrs, when respective group numbers were 21 and 24.

At the 175 follow-up appointments made for patients of each group, no treatment was required on 136 occasions in the FPD group, and on 97 occasions in the RPD group. In the FPD group, de-bonding occurred on 32 occasions, and in the RPD group, there were 60 occasions when adjustment was needed. Failure, defined by the patient, affected 11 FPDs and 15 RPDs. The authors consider that, on balance, FPDs are favoured by their results.