How to brush teeth with cavities

Written by Li Bao Hua

Dentistry

Updated on December 31, 2024

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Cavities are a disease caused by bacterial infection of the hard tissues of the teeth, belonging to a type of self-destructive and infectious disease, and cavities need to be treated in a timely manner. When brushing teeth with cavities, it is especially important to brush thoroughly. Fluoride toothpaste can be used to clean each surface of the teeth, including the occlusal, buccal, lingual, and the insides of the teeth. Sometimes it is difficult for the bristles to reach the inside of the teeth, in which case an interdental brush or dental floss can be used to clean these areas to prevent the occurrence of cavities inside the teeth. Besides brushing, it is also necessary to fill the teeth promptly, also known as dental filling.

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Written by Wang Ji Zhong

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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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Written by Fang Xiao

Dentistry

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How to prevent cavities in children

Prevention of tooth decay in children should first encourage them to develop good tooth-brushing habits, reducing bacteria and plaque on the tooth surface, and include brushing in the morning and evening, as well as rinsing after meals. Enamel is the hardest substance in the human body but is susceptible to cracking. Acidic or sugary substances are harmful to teeth, so it's best to avoid sweets and acidic foods in the evening and to brush teeth before going to bed. Brushing teeth before sleeping is crucial and some anti-cavity treatments should be done, such as fluoride application or dental sealants. It's also important to develop a habit of regular dental check-ups to detect and treat cavities early.

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Written by Wang Ji Zhong

Internal Medicine

41sec

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What is the reason for black dental caries?

Cavity prevalence is quite high, especially in children who haven't developed good oral hygiene habits and consume a lot of sweets, making them prone to cavities. Early detection is thus very important. Early symptoms of cavities are not obvious, but with careful observation, one can notice parts of the teeth turning black. This is due to bacterial erosion and damage to the teeth. Damage occurs to the enamel and dentin of the teeth. If this continues to develop, it can lead to damage to the dental pulp, resulting in pulpitis. Therefore, when you notice your teeth turning black, it is crucial to seek timely treatment to prevent the progression to pulpitis.

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Written by Li Cui

Dentistry

1min 7sec

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Can tooth decay pain be relieved with Sichuan pepper?

If a patient has dental caries and is experiencing considerable pain, and there are no medications available nearby, they can temporarily use Sichuan peppercorns for pain relief. This is because certain components within Sichuan peppercorns can alleviate some of the pain, although they do not treat the dental caries directly. Thus, it is recommended that if a patient is suffering from toothache due to dental caries, they should seek timely treatment at a hospital. The specific treatment plan should be based on the extent of damage caused by the dental caries. If the damage is minor, the tooth generally does not require special treatment; however, if the dental caries are severe and have damaged the tooth structure, root, or even the dental nerves or gum tissue, it is advisable for the patient to consider tooth extraction followed by a dental restoration. The specific recommendations should still be based on a doctor’s diagnosis and a tailored treatment plan should be established.

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Written by Wang Peng

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39sec

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What will happen if a cavity is filled without being cleaned properly?

If tooth decay is not completely cleaned out before filling, bacteria can continue to develop and multiply within the tooth, leading to more severe decay and potentially causing diseases such as pulpitis or periapical periodontitis. It is recommended that patients with cavities should undergo treatment based on the severity of the decay. Mild cavities usually only cause minor changes in tooth color; this can be gently abraded and then treated with fluoride materials. If the cavity is more severe, the decayed material inside the cavity should be completely removed, and then light-cured resin material can be used for filling. Deeper cavities may also require a protective pulp base.