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.
When you sign up for dental insurance through work, you can take advantage of group rates that are often more affordable than the rates you would face if you were to purchase insurance on your own. Coverage may also be available for your spouse and dependents, so you can keep your family healthy.Most dental plans give you access to a Participating Provider Organization (PPO) network, which negotiates discounted rates with the dentists in the network for nearly every procedure covered by your dental insurance.our expenses may be fully or partially covered. Dental insurance also makes use of a coinsurance (cost-sharing) arrangement. When you visit the dentist, the insurance company pays a portion of the allowable expense for a covered service, and you pay the remaining amount.