1. The thikness is 0.6 mm.
2. improved aesthetics,
3. colour stability,
4. surface finish,
5. abrasion resistance and tissue compatibility.
6. chemically verystable and have a coefficient of expansion similar to that of enamel.

More security firm, because adhesive technology is advanced,

8 improved aesthetics can be achieved with minimal tooth reduction, and the palatal surface of the tooth is unchanged so that incisal guidance is maintained