I wanted to know how much it would cost to get my gap filled in? (photos)

By both the ways u can close the gaps. but better option is bonding . veneers is the option for whole tooth not only for the sides. for sides go for bonding.BUT REMEMBER , closing gap by bonding/veneers will change golden ratio of teeth [u may feel big bulky teeth after restorations]. so braces...

Direct bonding , single visit required , economical option, *good hands will charge more

It is not uncommon to get dark spaces between teeth, from gum recession, braces, Invisalign, etc.  Many solutions can be considered "aggressive" or time consuming/expensive.  Bioclear allows a conservative solution in a single visit and usually without removing any tooth structure.

The most conservative, durable, and natural looking method to close black triangles is Bioclear.  This requires a dentist trained in the process but is worth finding one.

Hi dblb, Dental bonding is performed with a material called composite resin, which is generally rougher than natural enamel and may be partially responsible for the feeling on your tongue. It is also quite likely that the new medication that you are taking is responsible for the dryness you're...

From your photos, it appears that your teeth are long and narrow.  If this is the case, then your teeth are too  small for your dental arch, and dental bonding could be an ideal solution for you.  It is quick, painless, and much more affordable than porcelain veneers or invisalign...