Table 1. Checklist of heuristic evaluation for experts assessing OSCA.

Facets	Checklist for the usability problem
Usable	1. Easy to use. 2. Loading speed of the dental chart is fast.
Useful	3. Content will be used frequently. 4. Content is categorized appropriately.
Desirable	5. Information are integrated as visual images. 6. Specific information are provided personalized.
Findable	7. The information of how to use the App is provided. 8. The menu can be found easily.
Accessible	9. The provided information of oral care can be easily accessed.
Credible	10. Zero errors occurred while using it. 11. Information captured from this App can be trusted.