What's not covered by Part A & Part B?

Medicare doesn't cover everything. Some of the items and services Medicare doesn't cover include:
Long-Term Care (also called custodial care) See What is Long Term Care Long Term Care on this website?

Most dental care
Eye exams related to prescribing glasses
Dentures
Cosmetic surgery
Acupuncture
Hearing aids and exams for fitting them
Routine foot care