Is it toxic if I can taste the mighty bond after I put some glue because my porcelein teeth was broke in the middle?

Aisha,    If you're in pain, you should be able to explain to your orthodontist that you need to be seen because your retainer is cutting your tongue. That is usually a pretty quick fix for them.    In the meantime, you can buy orthodontics wax at the grocery store...

Small changes can usually be fixed by polishing or contouring the teeth.  Bite forces create stress that bonding normally cannot tolerate, so porcelain is better.  However, porcelain is not bulletproof.  This sounds more complicated than you are aware, so be sure to seek and...

Difficult to tell from you photo's, your central incisors look nice.  I can't see differences in gum levels, need to show more gum tissue above where teeth end.  I would recommend that you check out EasySmileVeneers(soon to be called ProVeneers).  They are a breakthrough in...