Porcelain Fused to Metal Crowns
- Porcelain fused to metal crowns (or PFM crowns) can be referred to as full-cast crowns, which have porcelain, fused on most or all parts of the tooth.
- They are a hybrid between porcelain and metal crowns. The entire crown has a metal layer underlying and porcelain / ceramic on top of it.
- The metal framework is thin, strong, and perfectly fits the prepared teeth.
- It’s a combination of different types of alloys, which are designed such that they bond very well with the porcelain.
- Metal alloys with a high melting temperature are used to fuse porcelain to the surface and preventing the metal from melting. This ensures the porcelain to bond without changing its color.
- Zirconium is a solid Metal d-block element, which has a White colour like silver.
- Zirconium is three times harder than iron in the table of chemical elements.
- It can easily be used at the back group teeth as its resistant enough for chewing pressure.
- It is especially suitable for full mouth crown.
- Zirconium can be prepared as a very thin layer as it is has a light resistance.
- It is fully adaptable to teeth and gum. This prevents micro-leakage.
- The colour of the teeth often appears same as the original color of the teeth after the operation.
- Zirconium is a hygienic and non-allergic material.
IPS E-Max Crowns
IPS E-max is a unique material known for its unparalleled esthetics, strength and flexibility.
Depending on the indication and preference of the patient, the operator selects a suitable lithium disilicate (IPS e.max CAD) or zirconium oxide (IPS e.max ZirCAD) material.
IPS Empress CAD Multi complements the range of highly esthetic materials.
These innovative polychromatic blocks feature a lifelike transition of shade and fluorescence from dentin to incisal.