With a focus on the most commonly used drugs in dentistry, Applied Pharmacology for the Dental Hygienist, 8^th Edition provides you with 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. This new edition has been updated throughout to give you a firm foundation in pharmacology in order to assess and educate patients so they can maintain optimal oral health!