One study reported that laser preparation as an adjunct to acid-etching enhanced the retention rate .
No significant difference in the incidence of caries was reported .
And no significant differences were found in heart rates , oxygen saturation or degree of the patient dental anxiety between acid-etching and laser preparation .
Conclusion The present limited evidence suggests that lasers could be an effective pretreatment method .
The retention rate was similar to that of conventional acid etching .
Background This systematic review aim ed to assess the clinical effects of laser preparation compared to other types of chemical or mechanical preparation of tooth surfaces used in fissure sealant placement .
In vitro assessment of laser efficiency for caries prevention in pits and fissures.
This study aim ed to assess the in vitro efficacy of the lasers Er : YAG , Nd : YAG , and CO(2 ) operating in the low energy mode for caries prevention in pits and fissures . Forty-five caries-free enamel occlusal sections were r and omly divided into three groups : G1 - Er : YAG ( 80 mJ/2 Hz ) ; G2 - Nd : YAG Laser ( 1 W and 10 Hz ) ; and G3 - CO(2 ) Laser ( 0.4 W and 20 Hz ) . After surface treatment , the sample s were su bmi tted to challenge with acid consisting of a 10-day immersion in demineralizing ( 6 h ) and remineralizing solution ( 18 h ) . Next , enamel demineralization was quantitatively evaluated by subsurface microhardness test and polarized-light microscopy ( PLM , mm(2 ) ) and qualitatively assessed by scanning electron microscopy . The Wilcoxon test was used for comparison of each group with its own control . ANOVA ( α = 5 % ) was employed for comparison among groups , and Fisher 's LSD multiple comparison test was applied , to check the difference in means . Concerning the microhardness analyses , statistical difference between control , and experimental areas was only detected for the CO(2 ) group . Experimental values were higher than the controls . As for PLM analyses , smaller demineralized areas were measured for G2 ( Nd : YAG ) and G3 ( CO(2 ) ) compared with the control areas . In conclusion , the present findings suggest that the CO(2 ) laser should be selected in order to increase the enamel resistance to acid in pits and fissures
One study reported that laser preparation as an adjunct to acid-etching enhanced the retention rate .
No significant difference in the incidence of caries was reported .
And no significant differences were found in heart rates , oxygen saturation or degree of the patient dental anxiety between acid-etching and laser preparation .
Conclusion The present limited evidence suggests that lasers could be an effective pretreatment method .
The retention rate was similar to that of conventional acid etching .
Background This systematic review aim ed to assess the clinical effects of laser preparation compared to other types of chemical or mechanical preparation of tooth surfaces used in fissure sealant placement .