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Actas Odontológicas

Print version ISSN 1510-8139On-line version ISSN 2393-6304

Abstract

CASAMAYOU, Raúl; BOGHOSIAN, Estrella Der  and  ABELLA, Rosario. Behavior of high density glass ionomer sealants. A 6 year study. Actas Odontol. [online]. 2016, vol.13, n.2, pp.33-42. ISSN 1510-8139.  https://doi.org/10.22235/ao.v13i2.1311.

Although high density glass ionomer cement (GICS) sealants have proved to be effective in pit and fissure caries prevention, there are very few studies with more than three years of duration and practically no discussions about resealing convenience and the correct moment to do it. The aim of this study is to carry out a six years observation study to evaluate the retention and caries prevention effect of GICS. During a three years previous study (2007 - 2010) performed by the authors comparing the effectiveness of resin based sealants and GICS, developed by odontology students during a community dental school program, only the partially or totally lost sealants of 6-8 year old children were resealed. A longitudinal and observational study during 2010 and 2013 completed the six year. 25 children participate in this experience, totaling 42 molars. Caries did not appear in any molar. Two molars (in same child) were sealed with resin by a private dentist. In the last year (2013) the total of present sealants have almost disappeared (2,6%). No significant association was found between the sealant performance and the number of resealing (Fisher test p-value = 0,3627). Fisher test does not detect association between age and resealing (p-value = 0,6261). The probability of a six years old needing a resealant was 2,450 times than an 8 year old child. CONCLUSIONS: High density GICS with digital pressure technique is an effective measure of pit and fissures caries prevention in permanent molars. The presence, partial or total absence of sealant is not a success or failure indicator. The study could not prove that the resealing influenced the final result but it might have collaborated in achieving the biological objective. More comparative studies are necessary to evaluate the effectiveness and moment of resealing.

Keywords : fissure sealants; community dentistry; school children.

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