How is tooth decay relented to pH?How can it be prevented?

Question

Answer

It is known that pH is an indication of the acidic or bases property of a substance.

The body can regulate this level but there are certain foods that cannot be controlled and increase acidity. The sour taste that arises out of acidity does not leave the mouth.

Sugary drinks, snacks and grains increase the acidity level.

A lower pH of the mouth creates bad bacteria that eventually lead to decay of the tooth.

It can be prevented by avoiding food that causes acidity....

Answer

Tooth decay also known as dental caries happens when bacteria acting sugars produce acids that softens or demineralises the enamel and causes gradual softening of enamel and dentine. Tooth decay starts when the pH of the mouth is lower than 5.5. Tooth enamel is made up of calcium hydroxyapetite which is a crystalline form of calcium phosphate and it is the hardest substance in the body. It does not dissolve in water, but it is corroded when the pH of the mouth is below 5.5.To prevent the bacterias from causing tooth decay, the best way to clean the mouth after eating food. Using toothpaste, which are generally basic, for cleaning the teeth can neutralize the excess acid and prevent tooth decay.

Answer

Tooth Decay and pH:
Tooth decay, also known as dental caries, occurs when the hard tissues of the teeth are damaged by acid. pH plays a crucial role in tooth decay as it affects the environment in the mouth, influencing the growth and activity of bacteria that contribute to the development of caries.

Acidic Environment:
When the pH levels in the mouth drop below a critical point (around 5.5), the acidity increases. This causes demineralization of the tooth enamel, which is the outer protective layer of the teeth. Acidic conditions favor the growth of acid-producing bacteria, such as Streptococcus mutans, which produce acids as byproducts when they metabolize sugars from our diet. These acids attack the tooth enamel, leading to the formation of cavities.

Prevention of Tooth Decay:

1. Maintaining Oral Hygiene: Regular brushing and flossing are essential for removing plaque, which is a sticky film of bacteria and food particles that adheres to the teeth. This helps prevent the buildup of acid-producing bacteria and reduces the risk of tooth decay.

2. Fluoride: Fluoride is a mineral that helps strengthen the tooth enamel and makes it more resistant to acid attacks. It can be obtained through fluoridated toothpaste, mouth rinses, and drinking fluoridated water. Using fluoride products regularly helps prevent tooth decay.

3. Healthy Diet: Consuming a balanced diet low in sugary and acidic foods can help prevent tooth decay. Limiting the intake of sugary snacks and beverages reduces the availability of sugars for acid-producing bacteria. Instead, opt for a diet rich in fruits, vegetables, whole grains, and lean proteins.

4. Saliva: Saliva plays a crucial role in maintaining oral health. It helps neutralize acids and remineralize the teeth. Chewing sugar-free gum or eating crunchy fruits and vegetables stimulates saliva production, aiding in the prevention of tooth decay.

5. Regular Dental Check-ups: Regular visits to the dentist allow for early detection and treatment of any dental issues, including tooth decay. Dentists can perform professional cleanings, apply dental sealants, and provide fluoride treatments, which further safeguard against tooth decay.

6. Limiting Acidic Beverages: Acidic beverages such as soda, sports drinks, and fruit juices can erode the enamel and contribute to tooth decay. Limiting their consumption and using a straw to minimize contact with teeth can help prevent decay.

By following these preventive measures, individuals can maintain good oral health, minimize the risk of tooth decay, and preserve their natural teeth for a lifetime.

Similar Class 10 Doubts

Study the given table and answer the following questions. It shows the pH value of the plaque (which collects around teeth) surrounding the teeth of a child over 3 hrs.The pH which leads to tooth decay?

Q. (

Tooth decay occurs when pH of mouth is below

To protect tooth decay, we are advised to brush our teeth regularly. The nature of the toothpaste commonly used is

Why does tooth decay start when pH of mouth is lower than 5.5.?

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