We are using cookies to implement functions like login, shopping cart or language selection for this website. Furthermore we use Google Analytics to create anonymized statistical reports of the usage which creates Cookies too. You will find more information in our privacy policy.
OK, I agree I do not want Google Analytics-Cookies
Oral Health and Preventive Dentistry



Forgotten password?


Oral Health Prev Dent 15 (2017), No. 2     28. Apr. 2017
Oral Health Prev Dent 15 (2017), No. 2  (28.04.2017)

Page 157-162, doi:10.3290/j.ohpd.a37927, PubMed:28322359

Clinical Evaluation of a Fissure Sealant Placed by Acid Etching or Er:YAG Laser Combined with Acid Etching
Durmus, Basak / Giray, Figen / Peker, Sertac / Kargul, Betul
Purpose: To evaluate the efficacy of conventional acid etching alone (acid etching) and Er:YAG laser combined with acid etching (laser + acid etching) on fissure sealant (FS) retention of first permanent molars (FPMs) after 18 months.
Materials and Methods: Using a split-mouth design in 51 children, a total of 204 FPMs were sealed with acid etching alone or laser plus acid etching (laser+acid). The retention of sealants and occurrence of caries were evaluated at 3, 6, 12, and 18 months. Statistical analysis was performed using Pearson's chi-squared tests.
The retention rate for FS in the laser+acid group was significantly higher than that of the acid-etch group at 12 (p = 0.0161) and 18 (p = 0.0227) months. Six FSs in the acid group and five FSs in the laser+acid group were completely lost after 18 months. The incidence of caries in the acid-etch group was 22% (n = 18) vs 10% (n = 8) in the laser+acid group at 18 months. The difference in caries development between the groups was not significant (p > 0.05).
Conclusions: As enamel pretreatment, Er:YAG laser combined with acid etching significantly improves FS retention over conventional acid etching alone.

Keywords: dental acid etching, lasers, pit and fissure sealants