Discoloured teeth, malformed teeth, enamel hypoplasia (not enough enamel), enamel hypocalcification (enamel not fully mineralised), fluorosis, tetracycline staining, non-vital tooth discolouration, malposition, enamel fractures, enamel loss by erosion, modify shape of tooth.
Veneer 
Boil
Wart
Aware 
Lint 
Jim 
Powder
Superbill