1.zirconia PFM porcelaincrown

2.HIgh intention andeconomical

3.Goodbiocompatibility

4.Natural andesthetical

5.No metalinside

6.Transparent incolour

7. Highstrength

Advantages:

1. Good marginal seal.

2. Beautiful andadjustable color made of the same as the patients'' naturalteeth.

3.Extremely highstrengh.Golden well with ceramic power melted together at hightemperature,the enough strengh engineering level, first-classproduct quality and circumspect after-sale service.

5. The protection of thedental hard tissue and dental pul.

Disadvantages:

1. Porcelain breakage ispossible.

2.Greater teeth reductionneeded...