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.
Not all kids covered under the state Medicaid insurance program will qualify for orthodontic treatment with braces. State of Illinois Medicaid (Public Aid, Medical Card, Tarjeta Medica, All Kids) administrators are required to pre-approve all children for braces coverage before orthodontic treatment can begin.