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.
Public Health Nurse. While most nurses care for one patient at a time, public health nurses care for entire populations. By working with whole communities, public health nurses are able to educate people about health issues, improve community health and safety and increase access to care.