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.
Differences between a dental insurance DMO plan and a PPO plan. What does DMO (aka DHMO) dental plan cover? Research your insurance options before you buy dental coverage. A DMO (DHMO) is like an HMO it is essential a dental discount plan where you pay a discount rate of the dentistâs fees. You donât get the benefit of the negotiated insurance rates like a PPO.