According to the article, this applies mostly or only to Delta Dental of California. Slightly OT: Delta Dental was the company that Costco used to sell Dental

According to the article, this applies mostly or only to Delta Dental of California. Slightly OT: Delta Dental was the company that Costco used to sell Dental Insurance through. (unfortunately, that partnership has ended with no replacement.) Careington and Thrive both offer overlapping discount plans that (especially combined) can more than offset the much higher monthly (not low annual) prices that Delta Dental is now charging, especially for a family.