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.
Examples include art therapist, music therapist. The following mental health professionals can prescribe medication; however, they may not provide therapy: 1  Psychiatrist â A medical doctor with special training in the diagnosis and treatment of mental and emotional illnesses.2  A psychiatrist can prescribe medication, but they often do not counsel patients. Nurse Psychotherapist â registered nurse who is trained in the practice of psychiatric and mental health nursing. 2  Trained to diagnose and provide individual and group counseling. 3  Marital and Family Therapist â counselor with a masters degree, with special education and training in marital and family therapy.