มาแก้ว ฉ. Development of sealant service in primary school students Phrompiram hospital, Phitsanulok province, Thailand during educational years 2006-2014. Th Dent PH J [internet]. 2015 Dec. 31 [cited 2026 Sep. 18];20(3):17-2. available from: https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/150932