Can cavities spread to other teeth?

Written by Li Bao Hua

Dentistry

Updated on September 10, 2024

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Cavities are a disease caused by bacterial infections of the hard tissues of the teeth, and they are infectious but not contagious. If cavities are not treated in a timely manner, the inflammation can further infect the dental nerves, causing nerve inflammation, and even lead to damage in the apical region of the tooth. Damage to the apical region of a tooth may also lead to damage in the apical region of adjacent teeth due to inflammation. This situation can spread to other teeth, but it is limited to the stage of apical inflammation. If it is just a simple cavity, where decay is confined to the crown area of a tooth, it will not spread to other teeth. Therefore, once a tooth decays, it is necessary to carry out dental filling treatment as soon as possible.

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What are the harms of dental caries in children?

Due to not forming the habit of brushing daily during childhood, and the frequent consumption of sugary foods during this period, the incidence of dental caries in children is relatively high. The onset of the disease is due to the presence of a large amount of dental plaque on the teeth, where bacteria gradually corrode the teeth, leading to the occurrence of caries. Initially, caries damage the tooth enamel on the surface, further progress destroys the dentin, and finally, it penetrates the dental pulp, forming pulpitis, which presents with obvious swelling and pain. Severe cases can also cause periapical periodontitis, leading to tooth loss, and affecting the normal emergence of permanent teeth. Therefore, it is important to maintain good oral hygiene and seek timely symptomatic treatment when children develop dental caries.

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Will tooth decay affect other teeth?

When a patient suffers from tooth decay, generally not taking measures to treat it may cause other teeth to also develop cavities. Some patients with long-term cavities may have one or more teeth affected, and even some patients might have entire teeth significantly decayed. Therefore, when cavities occur, certain measures must be taken for treatment. Depending on the condition of the cavity, a specific treatment plan should be formulated, whether it's a dental filling or tooth extraction. Thus, patients must pay attention to oral hygiene in their daily lives, brushing their teeth morning and evening. After meals, it's important to promptly remove food residues from the mouth and develop proper habits for brushing and eating. If a cavity develops, the patient should treat it early to prevent it from affecting other teeth.

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Do occasional toothaches from cavities need treatment?

When a patient has a cavity, they may only occasionally experience pain. In such cases, it is generally recommended that the patient visits a hospital for consultation. Even a minor cavity has its preventative measures to stop it from worsening and leading to severe consequences; therefore, treatment is still necessary. Many severe cavities develop from minor ones. They can slowly cause defects in the teeth, damage to the tooth root, or stimulate the nerves in the gums, potentially leading to loose or falling teeth. Thus, it is advisable for patients to adopt the correct treatment methods. Additionally, if patients experience pain, they can undergo anti-inflammatory and pain relief treatments to alleviate discomfort and avoid inconvenience in their dietary life.

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Can you get your teeth cleaned if you have cavities?

Cavities can also be treated with teeth cleaning. Firstly, a cavity is a type of dental caries, a tooth condition caused by tissue infection. Generally, it is accompanied by pain. Teeth cleaning is needed when there is a significant build-up of tartar around the teeth, which if not promptly cleaned, can lead to gingivitis and even periodontitis, potentially causing tooth loss. During cavities, teeth cleaning can be performed. However, teeth cleaning involves ultrasonic removal of tartar around the teeth. If the cavities are deep, the cleaning process may cause discomfort or severe pain. Therefore, it is necessary to treat the cavities first before proceeding with teeth cleaning to avoid significant pain during the cleaning process.

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Can a cavity that exposes the dental pulp be filled?

Cavities that expose the dental pulp cannot be directly filled in one session. Treatment of the tooth must be carried out before filling. In the early stages of a cavity, only the hard tissue of the tooth is damaged. If the decayed part is removed promptly and the dental nerve is not exposed, the tooth can be directly filled in one session. However, if the cavity progresses to the point where the dental pulp, or nerve, is exposed, this requires a nerve removal procedure. After the nerve is killed, the root canal is sealed with medication, and following inflammation control, the root canal is filled. Only after root canal treatment can the tooth be filled. Otherwise, the inflammation may further develop into apical inflammation, or even lead to space infections causing facial swelling.