Background: One of the preventive efforts that can be performed to avoid dental and oral health problems is by maintaining oral hygiene. Currently, there are various tools for maintaining dental and oral hygiene that are sold in the market. Purpose: To reveal the knowledge, attitude, action, Ability to Pay (ATP), and Willingness to Pay (WTP) of young adults in fulfilling the need for maintenance of oral hygiene. Methods: This research was a descriptive research type. The sample size was determined as 100 people, targeting the group of young adults aged 20-29 years who have worked or earn. A cross tabulation test was conducted between the ATP and WTP variables with demographic characteristics, namely age and work experience. Results: Based on the age frequency of ATP sufferers, those aged 20-29 years are able to meet the needs of oral hygiene at most at a cost of Rp. 51,000-Rp. 100,000, and the age frequency with the most WTP at a cost of Rp. 141,000 -Rp. 160,000.Based on the length of time working with the ATP, most of the oral hygiene needs are Rp. 51,000-Rp. 100,000. Meanwhile, the frequency of working with WTP is the maximum cost of Rp. 141,000 -Rp. 160,000. Conclusion: According to the research results, it can be concluded that the level of knowledge, attitude, and action of young adults in fulfilling the needs for maintenance of oral hygiene is good.