This document provides information on oral hygiene procedures. It defines oral hygiene as cleaning the teeth and oral cavity to prevent disease spread and increase patient comfort. Good oral hygiene includes daily stimulation of gums and brushing teeth. The purposes of oral hygiene are to maintain oral health and relieve discomfort. It should be performed for patients who are seriously ill, have infections, or are unconscious. The procedure involves using various tools to clean the mouth depending on the patient's consciousness. Complications from neglected mouth care can include local issues like halitosis or stomatitis as well as general infections.