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.
Invisalign utilizes a set of clear plastic trays as a means of achieving the position. Traditional braces, on the other hand, usually make use of metal wires with an aim of getting the most ideal movement or position for the teeth. RELATED | Study finds a 34% rise in dentists performing orthodontic treatments.