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A meta-analysis of two different trials on posterior resin-bonded bridges
C W Verzijden1, N H Creugers, M A Van't Hof
1Department of Oral Function and Prosthetic Dentistry, TRIKON, Nijmegen, The Netherlands.
Journal of Dentistry
|February 1, 1994
Abstract:
In a meta-analysis the results of two different trials on posterior resin-bonded bridges (PRBBs) were combined. The common experimental variable 'preparation form' and the variable 'location' were combined for this analysis. The meta-analysis showed a highly significant effect for the variable 'location' (P < 0.001). Although the experimental variable 'preparation form' had no significant influence in the separate trials, the combined study revealed a significant effect for this variable on the retention of PRBBs (P = 0.03).