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.
Orthodontists regularly face the question of how much does invisalign cost when dealing with first time patients in need of corrective treatment for their teeth.A simple answer is that invisalign costs just slightly more than regular braces yet the benefits are totally worth it.n light of these, nationwide estimates put the final cost of invisalign at between $2,000 and $8,000. According to the American Association of Orthodontists, the average costs are approximately $5,000 per patient.