Do cavities have worms in them?

Written by Li Bao Hua

Dentistry

Updated on September 10, 2024

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Cavities do not contain worms; they are caused by bacterial infections and are a type of infectious disease. Cavities are also known as dental caries, and many people mistakenly believe they are caused by worms chewing on the teeth, but this is not the case. Cavities occur when bacterial infections attack the hard tissues of the teeth, leading to destructive dental diseases. It is also a chronic infectious disease. Cavities are caused by bacterial factors, meaning bacteria are the initial factor in their development. Bacteria can use glucose to produce lactic acid, causing demineralization of the teeth and thus forming cavities. If one brushes their teeth and rinses their mouth immediately after eating to control dental plaque, the development of cavities can be controlled or slowed. If not controlled in time, cavities may further lead to pulpitis.

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Written by Li Bao Hua

Dentistry

48sec

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Can a decayed tooth be extracted?

Whether a tooth with caries can be extracted depends on the extent of the decay. If the decay is shallow, it can be treated with a one-time filling. If the decay is deep, reaching the nerve, nerve-killing treatment is required, followed by anti-inflammation measures and, after inflammation control, root canal filling. In other words, teeth should be preserved through root canal treatment whenever possible and not extracted. If the caries has reached the deep layers of the tooth dentin, or is at risk of causing a perforation, such conditions are considered non-salvageable and the tooth should be promptly extracted. After extraction, timely dental prosthetics should be placed.

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Written by Li Bao Hua

Dentistry

49sec

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Is a cavity the same as tooth decay?

Cavities, also known as dental caries, are a chronic progressive destructive disease caused by bacterial infection of the hard tissues of the teeth. Once a tooth is affected by a cavity, it is necessary to fill the tooth as soon as possible. Otherwise, the bacteria will further infect the tooth, causing inflammation of the dental nerve. Inflammation results in significant pain, including sensitivity to hot and cold, pain intensified by temperature changes, and even symptoms of nighttime pain. The most typical symptom of pulpitis is nighttime pain, which can wake someone from sleep. Therefore, once cavities occur, it is crucial to remove the decayed part of the tooth and fill it promptly to prevent potential tooth loss.

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Written by Li Bao Hua

Dentistry

46sec

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The difference between dental caries and tooth decay.

Cavities, also known as dental caries, are essentially the same thing. Cavities are a disease caused by bacterial infection of the hard tissues of the teeth, resulting in black holes on the tooth surface. If the cavity is deep, reaching or approaching the dental nerve, external stimuli from hot, cold, sweet, or sour sources can cause tooth pain. The term "tooth decay," commonly referred to as "worm teeth" by the public, fundamentally describes the same condition as cavities, not caused by any sort of worm but by bacterial pathogens. Thus, there is no difference between cavities and tooth decay; both are infectious diseases of the hard tissues of the teeth.

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Written by Li Bao Hua

Dentistry

43sec

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Can cavities be brushed with an electric toothbrush?

Cavities can be cleaned using an electric toothbrush. However, if the cavity is severe, the vibrations from the electric toothbrush may cause pain. It is necessary to fill or treat teeth with cavities as soon as possible. Only after treatment can the progression of the cavity be controlled; merely brushing with an electric toothbrush cannot control the development of the cavity. Cavities are a destructive disease caused by bacterial infection of the hard tissues of the teeth. Control over cavities can only be achieved by removing decay and using a drill to remove the infected cavity tissue; an electric toothbrush cannot control the development of cavities.

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Written by Fang Xiao

Dentistry

1min 48sec

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If a cavity doesn't hurt, is it better not to treat it?

Cavities are primarily caused by poor oral hygiene and the effects of bacteria in the mouth, among other factors, leading to chronic progressive destruction of the hard tissues of the teeth. Generally, the progression is slow, initially appearing as yellowish-brown spots or defects on the tooth surface without causing any pain symptoms, making the treatment fairly straightforward—simply removing the decay and filling it can often be completed in one session. However, many cavities are not treated during this optimal period and progress to the dentin, causing sensitivity to hot and cold and leading to toothache. If not treated promptly, the cavity will enlarge, and in severe cases, lead to pulp infection, causing spontaneous pain, episodic pain, and pain from temperature stimuli. At this stage, the treatment becomes more complex and painful, requiring root canal therapy, typically needing three to four follow-up visits, and thus, costing more than a simple one-time treatment. If the condition is not controlled, it may develop into apical periodontitis or apical abscess, leading to space infections. The treatment then becomes even more complicated and painful, requiring incision and drainage, along with systemic anti-inflammatory treatment. If the tooth is severely damaged, the remaining roots and crowns can become a focal point for bacterial infection, potentially inducing other diseases. Therefore, it is crucial to detect and treat cavities early—the smaller the cavity, the better the treatment outcome, also saving time and money.