I think you spelled your last name wrong. There should be 2 "o"s and no "a"s.
Health/dental insurance and Health/dental plan is one and the same. But there is a difference between health and dental insurance. Dental insurance covers anything related to teeth and health insurance plans cover routine checkups, medical emergencies, and prescription drugs. I hope this helps.
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Other people asked questions on various topics, and are still waiting for answer. Would be great if you can take a sec and answer them