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.
Answers to where is your liver located, what does the liver do and how to keep a healthy liver. The liver is actually one of the most powerful organs in your body (next to the brain and heart, probably), and it serves more functions than most of your organs.