There is not enough evidence to support one adhesive or bonding strategy over another for treatment of NCCLs .
CLINICAL SIGNIFICANCE Studies with low overall risk of bias demonstrated good clinical performance for adhesives with all four bonding strategies .
However , included studies showed wide variation between adhesives of the same category
OBJECTIVES To establish whether simplified adhesives ( self-etch ) are as clinical ly effective as conventional adhesives ( etch- and -rinse ) with multiple application steps for treatment of non-carious cervical lesions ( NCCLs ) .
NULL HYPOTHESIS there is no difference in the clinical effectiveness of the four different bonding strategies : Three-step etch- and -rinse ; Two-step etch- and -rinse ; Two-step self-etch ; One-step self-etch for treatment of NCCLs .
A randomized clinical evaluation of a one- and two-step self-etch adhesive over 24 months.
OBJECTIVE To evaluate the performance of All Bond SE used in a one- or two-step protocol in a 24-month r and omized clinical study . METHODS Thirty-three patients with two similarly sized non-carious cervical lesions participated in this study . A total of 66 restorations were placed , half using the one-step All Bond SE protocol ( SE-1 ) and the other half using the two-step All Bond SE protocol ( SE-2 ) . The restorations were evaluated at baseline and after 6 , 12 and 24 months following the modified USPHS criteria and analyzed by the McNemar 's test and Fisher 's exact test ( alpha = 0.05 ) . RESULTS After 24 months , six SE-1 and four SE-2 restorations were rated as Bravo in marginal discoloration The retention rates for SE-1 and SE-2 were 84.8 % and 90.9 % , respectively , after 24 months . Compared to baseline , the retention rate for SE-1 was statistically lower . CONCLUSIONS All Bond SE used in the one- or two-step protocol result ed in high retention rates after 24 months
There is not enough evidence to support one adhesive or bonding strategy over another for treatment of NCCLs .
CLINICAL SIGNIFICANCE Studies with low overall risk of bias demonstrated good clinical performance for adhesives with all four bonding strategies .
However , included studies showed wide variation between adhesives of the same category
OBJECTIVES To establish whether simplified adhesives ( self-etch ) are as clinical ly effective as conventional adhesives ( etch- and -rinse ) with multiple application steps for treatment of non-carious cervical lesions ( NCCLs ) .
NULL HYPOTHESIS there is no difference in the clinical effectiveness of the four different bonding strategies : Three-step etch- and -rinse ; Two-step etch- and -rinse ; Two-step self-etch ; One-step self-etch for treatment of NCCLs .