If you search the internet for a broad term like dentistry 
Las Vegas, you will undoubtedly get a very long list of websites to wade through, but don't let that discourage you from finding one that fits your needs. While nurse's 
aides can help bathe patients, licensed practical nurses (LPNs) can 
do more, even if they still work under the supervision of nurses and physicians.
These subfields serve as areas of specialization that cater 
to the health care maintenance and treatment of specific dental structures.