The GI, or digestive, tract extends from mouth to anus (see the image below). The division of the GI tract into upper and lower is a matter of some confusion and debate.
Dental PPO insurance plans, also known as dental preferred provider organizations or DPPOs, are a popular dental insurance option due to their flexibility in allowing insured members to choose dentists and dental specialists.
Low cost dental insurance for seniors such as HMO plans are most popular with businesses who use them to insure their employees at affordable rates. But if you are not insured by an employer, you can easily access an HMO policy. The main advantage of HMO dental insurance for seniors is the low cost compared to DPPO or indemnity plans. Unfortunately, DHMOs impose strict requirements and restrictions on insured members. For example, the dental HMO will not pay for oral health care unless it is rendered by an in-network provider.