Several classification systems are possible for<unk> . One system suggested in 2012 is called Nankali<unk> Classification and divides the<unk>  as follows: * Labial Surface Coverage ::a) No incisal involvement ::b) Feathered incisal edge ::c) Incisal overlap * Interproximal preparations ::a) No contact point involvement ::b) Contact point level ::c) Passed contact point * Methods of production ::a) Indirect<unk>  ::b) Direct<unk>  * Materials ::a) Ceramic ::b) Lithium disilicate (very thin and relatively very strong porcelain) ::c) Da Vinci (Very thin porcelain) ::d) Mac (High resistance to stains and relatively strong) ::e) Acrylic (No longer in use for quality work) ::f) Composite ::g) Nano Ceramic
Veneer 
Boil
Wart
Aware 
Lint 
Jim 
Powder
Superbill