There was insufficient evidence to assess the effect of bonding modality on demineralization rates .
CONCLUSIONS There is weak evidence indicating higher odds of failure with self-etch primer than acid etch over 12 months in orthodontic patients , and there is strong evidence that a self-etch primer is likely to result in a modest time savings ( 8 minutes for full bonding ) compared with acid etch
INTRODUCTION The use of self-etch primers has increased steadily because of their time savings and greater simplicity ; however , overall benefits and potential disadvantages and harms have not been assessed systematic ally .
In this study , we review ed r and omized controlled trials to assess the risk of attachment failure , bonding time , and demineralization adjacent to attachments between 1-stage ( self-etch ) and 2-stage ( acid etch ) bonding in orthodontic patients over a minimum follow-up period of 12 months .
Importance of pumice prophylaxis for bonding with self-etch primer.
INTRODUCTION Self-etching primers ( SEP ) have simplified the orthodontic bonding process , but questions have arisen regarding their reliability and efficiency . The goal of this study was to assess the importance of a pumice prophylaxis before bonding in reducing bond failures . METHODS Thirty orthodontic patients volunteered to participate in this prospect i ve clinical trial . A split-mouth design was used ; in each patient , 1 quadrant was r and omly assigned to the pumice prophylaxis experimental group and the contralateral quadrant to the nonpumice group . A total of 508 teeth were bonded with SEP ( Transbond Plus ; 3 M Unitek , Monrovia , Calif ) and monitored for 3 months for bond failures . RESULTS Thirty-five failures ( 6.9 % ) were recorded , with 6 ( 2.4 % ) in the pumice group and 29 ( 11.4 % ) in the nonpumice group . Chi-square analysis was used to compare bond failures as a total number between groups and also as the number of patients who experienced bond failures with each method . Statistically significant differences were found both in the total number of bond failures ( P < .001 ) and in the number of patients with bond failures between groups ( P < .01 ) . A significantly lower and clinical ly acceptable bond failure rate was demonstrated with Transbond Plus SEP after pumice prophylaxis . CONCLUSIONS This study produced strong evidence suggesting the need for pumice prophylaxis when using SEP for orthodontic bonding
There was insufficient evidence to assess the effect of bonding modality on demineralization rates .
CONCLUSIONS There is weak evidence indicating higher odds of failure with self-etch primer than acid etch over 12 months in orthodontic patients , and there is strong evidence that a self-etch primer is likely to result in a modest time savings ( 8 minutes for full bonding ) compared with acid etch
INTRODUCTION The use of self-etch primers has increased steadily because of their time savings and greater simplicity ; however , overall benefits and potential disadvantages and harms have not been assessed systematic ally .
In this study , we review ed r and omized controlled trials to assess the risk of attachment failure , bonding time , and demineralization adjacent to attachments between 1-stage ( self-etch ) and 2-stage ( acid etch ) bonding in orthodontic patients over a minimum follow-up period of 12 months .