Library of Congress Subject Headings for Dental Hygiene:

Dental auxiliary personnel, Training of

Dental care

Dental caries

Dental hygiene

Dental Hygienists 

Dental instruments and apparatus

Dental pharmacology

Mouth Care and Hygiene

Public health

Teeth - Cleaning

Teeth - Care and Hygiene

DENTAL HYGIENE BOOKS are shelved by call number starting with 617.5