Generally speaking, fillings are not harmful, but some people may experience pain, material loss and other adverse situations. Dental fillings are mainly for people with chipped teeth, most patients use resin or inlays and other materials to fill the teeth, can effectively restore the integrity of the teeth as well as its normal function; and fillings in addition to the bad teeth will also be polished, prepared for processing, will not cause harm to the gums, the oral cavity and other injuries, that is to say, there will not be any bad side. It is only that some patients may experience tooth pain and loss of material after filling, but these are not bad effects of filling, but are caused by improper care, incorrect treatment and rapid development of the disease. After the filling, you need to be instructed by the doctor to clean your mouth and protect your teeth properly so as not to cause problems such as inflammation and pain.