# Free NBDHE practice questions

Try 15 original dental-hygiene practice questions with explanations for every choice and source links. This is a short unweighted learning sample, not a full examination or a pass prediction.

[Open the interactive practice](/nbdhe/free-practice-test). No email required.

Agent source verification: 3 of 3 in-scope files are source-verified and published by Codex on 2026-09-08 with exact-content verification records. This is not credentialed clinical review. 0 files carry a current credentialed sign-off; 0 carry owner source verification. Review attributions apply only to the files where they appear.

[Source and review methodology](/methodology).

[Official JCNDE preparation resources](https://jcnde.ada.org/nbdhe/nbdhe-prepare).

[Read the free study guide](/guide/nbdhe/how-to-pass). [See the course](/products/nbdhe).