Early tooth decay |
Early tooth decay is usually painless and the tooth surface seems intact when examined by the naked eye. Tooth decay at the adjacent tooth surfaces is even more difficult to be detected and they often need to be confirmed by radiographs. ![]() Treatment: The dentist may apply high concentration topical fluoride such that early tooth decay lesions can be repaired. ![]() |
Tooth decay spreads into dentine |
A cavity may appear on the tooth and discomfort may be felt on eating. ![]() Treatment: A filling can be placed if the tooth decay lesion is relatively small and the structure of the tooth remains strong.
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Tooth decay spreads into pulp |
At this stage, cavity appears on the tooth and causes severe pain. The pulp tissues are infected by the bacteria and may become necrotic. The bacteria may spread from the pulp to the surrounding periodontal tissues via the apex of the tooth, leading to inflammation or even the formation of abscess. ![]() Treatment: Endodontic treatment (pulp treatment) followed by filling or crown, depending on the condition of the remaining tooth structure.
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