Medical Definition of PERIODONTICS. : a branch of dentistry that deals with diseases of the supporting and investing structures of the teeth including the gums, cementum, periodontal ligaments, and alveolar boneâcalled also periodontia, periodontology. a branch of dentistry that deals with diseases of the supporting and investing structures of the teeth including the gums, cementum, periodontal membranes, and alveolar bone. â periÂ·odonÂ·tist \-Ëdaen-ËdÃ¤n\ tist. noun
Psychiatric nursing or mental health nursing is the specialty of nursing that cares for people of all ages with mental illness or mental distress, such as schizophrenia, bipolar disorder, psychosis, depression or dementia.
The role of family psychiatric and mental health nurse practitioners is similar to that of adult mental health nurse practitioners, except the former deals with an entire family as opposed to an individual.