No overall effect was revealed in the meta-analyses , meaning that no influence of the  ER or SE strategy on POS .
SIGNIFICANCE The type of adhesive strategy ( ER or SE ) for posterior resin composite restorations does not influence the risk and intensity of POS .
OBJECTIVES A systematic review and meta- analysis were performed on the risk and intensity of postoperative sensitivity ( POS ) in posterior resin composite restorations bonded with self-etch ( SE ) and etch- and -rinse ( ER ) adhesives .
Three-year clinical evaluation of a self-cured posterior composite resin.
A study was conducted to determine whether the wear resistance of a posterior composite could be improved by maximizing filler particle-to-particle contacts . This was expected to reduce stress concentrations on the resin matrix and thus reduce occlusal wear . A self-curing quartz-filled composite with this design , P-10 , was used to restore 90 Class I and II cavity preparations in adult teeth . Restorations were recalled after baseline at six months , one year , two years , and three years to measure wear by direct and indirect evaluation methods . There was no apparent advantage for this material compared with other previously evaluated posterior composites . The average cumulative wear for P-10 after three years was 145 microns . In addition , the restorations were evaluated for color-matching , interfacial staining , secondary caries , marginal adaptation , surface texture , and postoperative sensitivity . This material was not significantly different in those ways from other posterior composite products except in terms of more rapid color change , because it is self-cured
No overall effect was revealed in the meta-analyses , meaning that no influence of the  ER or SE strategy on POS .
SIGNIFICANCE The type of adhesive strategy ( ER or SE ) for posterior resin composite restorations does not influence the risk and intensity of POS .
OBJECTIVES A systematic review and meta- analysis were performed on the risk and intensity of postoperative sensitivity ( POS ) in posterior resin composite restorations bonded with self-etch ( SE ) and etch- and -rinse ( ER ) adhesives .