When shopping out for dental insurance you should know that dental policies will very widely. Therefore it is important to read the plans terms and conditions fully. As an example: Some plans pay the reasonable and customary fee, while other plans pay a flat amount depending on the treatment.
Many PPO plans have waiting periods (the time period you need to be on the plan before certain benefits are effective) which will also very depending on the plan you are reviewing. By knowing the dental insurance plan terms and conditions before you buy the plan will save you money and aggravation latter on.