If you are visitor to United States or staying in United States, you can look at low cost Careington dental plan, available for instant purchase at https://www.insubuy.com/individual-family-dental-plans/

It is $11.95/month and there is one time application fee $20.00 If you pre-pay for 1 year in advance, you get 25% discount, at $108.00/year. It is the same price whether you are applying alone, or entire family.

Great value for money.