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New Hampshire Dental Hygiene license renewal deadline

When dental hygienist licenses come due in New Hampshire, sourced from the official board.

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April 1Verify with board

Every 2 years of even-numbered years

Board wording: Biennial renewal April 1 of even-numbered years (reported by provider summaries; the former Board rule required CE summaries before April 1 - confirm the current OPLC renewal date).

How this deadline works

Deadline type
Fixed calendar date
Renewal cycle
Every 2 years
Reporting
Universal Application for License Renewal with Dental Hygienist Addendum; retain certificates 3 years for audit.

Official source: NH OPLC Board of Dental Examiners, Adopted Rule 2025-38 (Den 401-406, adopted 10/6/2025)

Don't get caught short

⚠️Board rules change. Verify every figure against the official source before relying on it.

Never miss this deadline.

Track your New Hampshire dental hygiene renewal free — upload certificates, get reminded at 90 / 60 / 30 / 7 days out.

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Renewal deadlines — other professions in New Hampshire

Dental Hygiene renewal deadlines — other states