- Who
- Etsuro Watanabe
- What
- 99: 133 year(s):day(s)
- Where
- Japan (Minamitsuru)
- When
The oldest dentist (male) is Etsuro Watanabe (Japan, b. 31 October 1924), who is 99 years and 133 days old, as verified in Minamitsuru, Yamanashi, Japan, on 12 March 2024.
Etsuro began his own dental practice in 1953.
