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.
What is a Dental BlueÂ® Indemnity Plan? Dental Blue is our traditional indemnityA type of health plan under which the covered person pays 100% of all covered charges up to an annual deductible. The health plan then pays a percentage of covered charges up to an out-of-pocket maximum. dental plan.