It is related to the patient's usual use and the material chosen for the filling. If the patient often do oral care after filling, regular scaling, and develop the habit of brushing every morning and evening and rinsing after meals. And the choice is a resin-based material, the validity of the filling will be extended, about 3-5 years.
But if you usually do not pay attention to oral hygiene, resulting in teeth will be again caries, filling material loose off, can directly affect its service life, generally less than 1 year, or even shorter.
In summary, the validity of dental fillings can not be generalized. You should develop good hygiene habits, brush your teeth and rinse your mouth, and avoid eating hard foods in your daily life.
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