其他摘要:The objectives of this research were 1) to develop web applications for encouraging oral and dental health for of the third grade students 2) to study the quality of web applications for encouraging oral and dental health for of the third grade students 3)to compare academic achievement scores of pre- and post-study scores with web applications 4) to study the effect of teachers and students on web applications for encouraging oral and dental health for of the third grade students .The sample used in the this research consisted of : teachers and the third grade students of Wat Na Wong School in the second semester of academic year 2020 by the simple random number one classroom Research tools include: 1) Web application for web applications for encouraging oral and dental health for of the third grade students 2) Quality Assessment Form of Web Applications for web applications for encouraging oral and dental health for of the third grade students 3) a pre-test and post-test study 4) Satisfaction Assessment Form to the use of web applications for encouraging oral and dental health for of the third grade students. The results were as follows: 1) The quality of develop web applications for encouraging oral and dental health for of the third grade students the quality was better. 2) The effect of teachers and students on web applications for encouraging oral and dental health for of the third grade students, highest level.