In this context, the NIDCR emphasizes research on caries and periodontal diseases; oral viral infections; oral aspects of AIDS/HIV infection; head and neck cancers; craniofacial development, physiology and malformations; orofacial pain and other oral sensory and motor dysfunctions; salivary glands and disorders such as Sjogrens's Syndrome; temporomandibular joint disorders; and restoration and reg