Zirconium crowns are definitely more robust than porcelain crowns. They last longer too, compared to porcelain that chip and break. Porcelain crowns also need to be fused to a metal base and the metal is that black unsightly line above the gums of people with porcelain crowns.
The liver is an organ about the size of a football that sits just under your rib cage on the right side of your abdomen. The liver is essential for digesting food and ridding your body of toxic substances. Liver disease can be inherited (genetic) or caused by a variety of factors that damage the liver, such as viruses and alcohol use. Obesity is also associated with liver damage.
On right side. If you feel pain when pressed slightly, one can conclude it has inflamed. Excess consumption of alcohol causes inflamed liver. For your information, some people born with liver situated at left side. But this is very rare phenomena.