Finding the right value in dental insurance or dental plans is an important step in purchasing dental coverage for you and your family. Both types of dental plans have advantages and disadvantages and one size does not fit everyone. Keeping this in mind is an important rule when you shop for the dental plan that best fits your needs.If you are on a very low income then the chances are that your NHS dental treatment will already be covered by the government. However, dental insurance is the best way for middle income families to get peace of mind when it comes to preventing any major dental problems.