 A person s dental health depends on many factors. Some are social, economic, or behavioral. Some are environmental. People with SjSqrRootDeltagren s Syndrome have a change in the amount and quality of saliva. This may affect dental health. Researchers want to study the dental health needs of people with this and other salivary gland problems. They will compare these findings with healthy volunteers. This will help them improve health care for these groups of people. 