| Clue | Source | Date |
|---|---|---|
| Tooth-driller's deg. | Newsday | 18 Feb 2024 |
| Tooth pro's degree: Abbr | Newsday | 13 Apr 2021 |
| Dentist's deg | Jonesin | 11 Jun 2019 |
| Driller's designation | Newsday | 29 Mar 2019 |
| Tooth pro's deg | Newsday | 07 Oct 2018 |
| Drill user, briefly | LA Times Daily | 16 May 2015 |
| Drill user, briefly | ||
| Driller's letters | ||
| Driller's letters | ||
| Driller's deg. | ||
| Letters on some dentists' walls | ||
| Dentist's deg. | ||
| ADA member | ||
| Orthodontist's degree | ||
| Dental degree | ||
| Dentist's deg. | ||
| Tooth specialist's deg. | ||
| A dentist's degree. | ||
| Dental degree. |