Group dental insurance has grown significantly over the last 25 years, with 68% of employers with 20-99 employees and over 90% for larger employers offering coverage. However, participation rates are only around 36% due to limitations in medical expense coverage. The major providers of dental coverage are insurance companies (30% of enrollment), dental service plans like Delta Dental Plans (25% of coverage), Blue Cross and Blue Shield plans, managed care plans which now provide most dental coverage through PPOs or DHMOs, and large employers who self-fund plans administered by third parties. Discount plans provide members with discounts on dental services but are not considered insurance. Key contractual provisions in dental plans include eligibility, benefits covered, payment methods,