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.
An Administrative Services Only (ASO) Plan, sometimes called a Self-Funded dental plan, is NOT insurance. customized dental plan. The employer pays the costs incurred by its employees for dental claims. paying monthly premiums, the group pays monthly fees plus dental costs.