MBS provides Tyler, Texas, Smith/Gregg/Counties and many East Texas areas with a preferred plan for those without dental insurance and vision insurance for as low as $50.00 annually! Membership truly has its privileges. As an MBS Member, you get a true 30-60% reduction in expenses! Pre-existing conditions are covered. You never pay a deductible, and never fill out a claim form. Everyone can qualify, and children are included at no extra charge!