Human tooth decay (dental caries) of Risk factors and Symptoms ,Treatment, Prevention
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Human tooth decay (dental caries)
Human tooth decay, also known as dental caries or cavities, is a common condition resulting from the breakdown of tooth structure.
What causes tooth decay?
- Bacteria: The mouth is home to various bacteria, some of which are harmful.
- Sugars and Starches: These bacteria feed on sugars and starches in food and drinks, producing acids as a byproduct.
- Acid Production: The acids attack the tooth enamel, causing demineralization (loss of minerals).
- Plaque Formation: Bacteria, acid, food, and saliva form a sticky film called plaque, which clings to the teeth and hardens over time, forming tartar.
- Demineralization: Without proper oral hygiene, the acids produced by bacteria in the plaque can dissolve the enamel, creating tiny holes called cavities.
- Progression: If left untreated, cavities grow larger and can reach deeper layers of the tooth, potentially causing pain, infection, and even tooth loss.
Risk factors
- Frequent consumption of sugary and starchy foods and drinks: This provides a constant source of fuel for the bacteria that produce acid, increasing the risk of demineralization.
- Poor oral hygiene: Inadequate brushing and flossing allow plaque to accumulate and the acids to attack the enamel.
- Lack of fluoride: Fluoride helps strengthen enamel and makes it more resistant to acid attacks.
- Dry mouth (xerostomia): Reduced saliva flow can decrease the mouth's ability to wash away food debris and neutralize acids.
- Worn fillings or dental devices: These can provide areas where plaque can easily accumulate and make it harder to clean.
- Certain medical conditions: Conditions like diabetes, Sjögren's syndrome, and some medications can affect saliva production, increasing the risk of decay.
- Heartburn/GERD: Stomach acid reflux can erode tooth enamel.
- Eating disorders: Anorexia and bulimia can lead to enamel erosion from stomach acid.
Symptoms
In the early stages, tooth decay may not cause any symptoms. As it progresses, you may experience:
- Toothache or pain
- Sensitivity to sweets, hot, or cold foods or drinks
- White, brown, or black stains on the tooth surface
- Visible holes or pits in the teeth
- Pain when biting down
- Bad breath or a bad taste in your mouth
- Bleeding gums or other signs of gum disease
Treatment
Treatment options depend on the severity of the decay.
- Fluoride treatments: In the early stages, fluoride can help repair damaged enamel.
- Fillings: For cavities, the decayed tissue is removed and the hole is filled with a filling material.
- Root canal therapy: If decay reaches the tooth's pulp, root canal therapy may be needed to remove the infected pulp and save the tooth.
- Extraction: In severe cases, the tooth may need to be removed.
Prevention
- Brush twice a day with fluoride toothpaste: This helps remove plaque and strengthens enamel.
- Floss daily: Removes food particles and plaque between teeth.
- Limit sugary and starchy foods and drinks: Reducing the frequency of sugar exposure can significantly reduce the risk of decay.
- Drink tap water: Many public water supplies are fluoridated, providing a simple way to increase fluoride intake.
- Visit the dentist regularly: Regular checkups and cleanings can help detect and address early tooth decay.
- Consider sealants: Dental sealants are protective coatings applied to the chewing surfaces of back teeth, particularly in children, to prevent food and bacteria from getting trapped in the grooves.
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