From the X-ray, the existing restoration appears to be quite deep, but the tooth does not show any obvious large infection around the root tip. The filling does appear worn and may need replacement. However, an X-ray alone cannot determine whether the filling has failed completely or if there is recurrent decay underneath—it also requires a clinical examination.
If the remaining tooth structure is adequate and the pulp is healthy, the old filling can usually be removed and replaced with a new filling.
If, after removing the old filling, the decay is found to be very close to or involving the pulp, you may require:
* Pulp protection (if the nerve is still healthy), or
* Root canal treatment, if the pulp is exposed or infected.
Depending on how much tooth structure remains after treatment, your dentist may also recommend a crown (cap) to protect the tooth from fracture.
Since the filling has served well for about 10 years, it is advisable to have it evaluated and replaced before it wears away completely, as early treatment is usually simpler and helps preserve more of the tooth.
If you are not experiencing pain, prolonged sensitivity, swelling, or discomfort while biting, there is a good chance that replacing the restoration may be sufficient, but the final decision can only be made after the old filling is removed and the tooth is assessed clinically.
Answered2026-07-08 21:31:53
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