**Selected for Doody’s Core Titles® 2024 in Dental Hygiene & Auxiliaries** With a focus on the most commonly used drugs in dentistry, Applied Pharmacology for the Dental Hygienist, 9th Edition provides an in-depth understanding of the pharmacologic principles needed for safe and effective dental treatment and oral health care. It discusses drug properties and mechanisms of action, dosages, intended effects, interactions, and adverse reactions - both for the medications a patient may already be taking and for the drugs prescribed by the dentist.