1 If X is a topological (or metric) space and M is a metric space, then the set of all bounded continuous functions from X to M forms a metric space if we define the metric as above: d (f, g) = sup x in X d (f (x), g (x)) for any bounded continuous functions f and g.
Invisalign is orthodontic appliance, so since orthodontic treatment is allowed as an FSA expense, Invisalign is covered. Different companies have different rules concerning amounts set aside and the timing of how funds are used for orthodontics.
1 Invisalign is case-by-case because of the hard-costs that the Ortho is required to pay to Invisalign up-front. 2  At my ortho itâs $2,400 down for Invisalign, no interest for 12 months, payment of $250/month. 3  Less for Braces.4  My Ortho has something called Care Credit. 5  Itâs a dental financing plan based on your credit. Invisalign is case-by-case because of the hard-costs that the Ortho is required to pay to Invisalign up-front. 2  At my ortho itâs $2,400 down for Invisalign, no interest for 12 months, payment of $250/month. 3  Less for Braces. 4  My Ortho has something called Care Credit.