It also depends on the following factors: skills of doctor, supporting equipment…If it is carried out by high qualified and specialized doctors in the field of cosmetic porcelain teeth, experienced, combined with the support of modern technology, it certainly does not hurt, moreover, it also brings satisfactory results.
However, in fact, there are many cases that make customers feel pain and discomfort. One of the reasons is because of the process, it has ground the real teeth to cover the porcelain crown on it. In this operation, if the doctor does not have skills, the technique of grinding is not good, too invasive to the real tooth tissue will make the customer feel pain.