A. Hot topic in NHS Dentistry. Polishing removes stain which is desirable but it doesn’t have a big effect on gingivitis. If a patient has excellent long term brushing they will slowly remove the old stains themselves. The average adult shuld see a dentist about once a year according to new guidelines. Often you may find youare recommende to see a hygeinist privately for polishing etc. At one of our practices the we have a hygeinist does provide NHS Scale & Polishes, but she is pretty rare