Largest oral hygiene lesson

- Who
- Grace Cancer Foundation, Dr. A. Ramkishan Naik, Collective Power of One International
- What
- 4578 people
- Where
- India (Mahabubabad)
- When
- 03 February 2019
The largest oral hygiene lesson is 4,578 participants, achieved by Grace Cancer Foundation, Dr. A. Ramkishan Naik and Collective Power of One International (all India) in, Telangana, India, on 3 February 2019.
The record attempt was part of a public awareness campaign. It aimed at educating people in the particular region about oral hygiene as there is lack of awareness on this subject as well as about habits which lead to cancer.