Streptococcus mutans is a bacteria that causes dental caries, so it is necessary to intervene with preventive products such as mouthwash that has the antibacterial ability. The development of mouthwash can be done by adding active substances derived from local plant materials to increase the ability of the product, one of which is manalagi apple peel. Apples contain several substances that are known to have good benefits for dental and oral health. This situation has become the basis for researchers to develop health products, namely mouthwash or mouthwash. The purpose of this study was to determine the anti-bacterial effect of the apple peel extract mouthwash formulation against Streptococcus mutans. This type of research is experimental research. The study design was Completely Randomized Design (CRD). The mouthwash tested in this study consisted of mouthwash A (negative control: mouthwash without extract), mouthwash B (12.5% extract), mouthwash C (25% extract), and mouthwash D (50% extract). ) and mouthwash E (positive control: one of the mouthwash products from the market). The results showed that the average inhibition was M(A) 8 mm, M(B) 8 mm, M(C) 14.67 mm, M(D) 13.27, and M(D) 8 mm. The results of the analysis of the difference in antibacterial ability between mouthwashes showed a value of -value = 0.008 0.05. The study concluded that there was a significant difference in the antibacterial ability of S. mutans between mouthwash A, B, C, D, and E.

Preschool children are a vulnerable group to dental health problems. Education in the preschool age period is essential because children are very easy to learn and direct so children will get used to doing dental health care independently, to get good results this program involves parents. The purpose of this program is to assist mothers and preschool children to maintain dental and oral health. The targets of this activity are preschool students and Ruhul Jihad Kindergarten students in Ciganjur, South Jakarta. The method of implementing the action is conducting dental health education for preschool children and mothers, dental edu visits, and brushing teeth together. The results of the activity showed an increase in knowledge of oral and dental health care for mothers and preschool children, an increase in brushing skills correctly in preschool children, as well as coordinated responses, enthusiasm, and interest in preschool children visiting the dental clinic. The conclusion shows that mentoring activities for mothers and preschool children to maintain dental and oral health are carried out well and provide benefits to the target.