Metric Space. A metric space is a set with a global distance function (the metric) that, for every two points in, gives the distance between them as a nonnegative real number. A metric space must also satisfy. 1. iff, 2. , 3. The triangle inequality.
PAYING FOR INVISALIGN TREATMENT. Many dental insurance plans cover Invisalign treatment just as they would other orthodontic treatments like metal braces. Plans may cover up to $3,500 of Invisalign treatment. Talk to your Invisalign-trained doctor or insurance provider to find out how much youâre covered for.
If you are under the care of an orthodontic specialist, the cost will be higher. The cost also depends on whether you are getting treatment for the whole mouth. The cost can be between $6,000 and $8,000 when a specialist is involved.he big question, how much does Invisalign cost really depends on the circumstances, but in many cases insurance may help with the expense. You may want to discuss Invisalign with your dentist to see if it is right for you. 1  Trackback-URL.