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.
Orthodontics in Baltimore, MD. Orthodontics involves the use of devices â most commonly braces â to move teeth or adjust underlying bone. Retainers, another type of orthodontics, may also be necessary after dental braces are placed, especially for adults. If you have misaligned teeth, our orthodontist in Baltimore, will discuss your dental goals with you and develop a plan that will straighten your teeth, aid in chewing, and create facial balance.