DESENSITIZING TOOTHPASTES

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I trust that you enjoyed last week's Blog article on tooth sensitivity. 

And I hope that my readers found it informative. 

Well, this week I want to give you a little bit more information about how desensitizing works.  

In the post on tooth sensitivity, I recommended using a toothpaste specifically designed to relieve the condition. These toothpastes are actually desensitizing agents. And this is how they work:

How does desensitizing toothpaste work?

Desensitizing toothpaste contains compounds that help block transmission of sensation from the tooth surface to the nerve channels at the centre of the tooth. The main compound ingredients that manufactures use are strontium chloride and potassium nitrate. These compounds help block the transmission of pain signals from the surface of your tooth to the exposed nerve channels.

These nerve channels get exposed as a result of the damaged tooth enamel.

It usually requires several applications before the sensitivity is reduced. So it is not something that happens overnight. 

Desensitizing toothpaste usually take a month of regular use to decrease pain. 

Remember to brush twice a day with your densiting toothpaste. 

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TOOTH SENSITIVITY

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Tooth sensitivity is one of the most common dental problems reported by patients globally.
Also known as dentin hypersensitivity, tooth sensitivity occurs when the root surfaces of teeth are exposed. This occurs when the enamel that protects our teeth gets thinner, or when there is gum recession.  The underlying surface, the dentin are then exposed. And this reduces  the protection the enamel and gums provide to the tooth and root.

Causes of tooth sensitivity

There are many causes of tooth sensitivity, including:

• Worn tooth enamel from using a hard toothbrush or brushing too aggressively
• Tooth erosion due to highly acidic foods and beverages
• Tooth erosion due to bulimia or gastroesophageal reflux disease (GERD)
• Gum recession that leaves your root surface exposed

Prevention of tooth sensitivity

The following are some at-home treatments that are commonly advised by dental professionals:

• Desensitizing toothpaste. There are several brands of toothpaste for sensitive teeth available. Your dentist may recommend one or you may have to try different brands until you find the product that works for you. Be sure to use fluoridated toothpaste for sensitive teeth, not tartar-control toothpaste. Try spreading a thin layer of the desensitizing toothpaste on the exposed tooth roots before bed.
• Use a soft-bristled toothbrush.
• Avoid highly acidic foods.
• Use a fluoridated mouthwash daily.
• Avoid teeth grinding. Consider getting a mouth guard.

Treatment of tooth sensitivity

If you have sensitive teeth, don’t neglect your daily oral care routine. Just be sure to use a soft toothbrush and soft floss. You can also try a toothpaste designed for sensitive teeth. Several brands are available, and you should notice some improvement with regular use of any of them. Also, try spreading some sensitizing toothpaste along the exposed cementum or dentin area before bed to help reduce sensitivity. Just use your fingertip or a cotton swab to rub the toothpaste directly onto the exposed spot.

  In addition there are some dental procedures that may reduce tooth sensitivity:

• Bonding, crowns or inlays. These may fix a tooth flaw or decay that is causing sensitivity.
• Fluoride gel or varnish.
• Surgical gum graft. This will protect the root and reduce sensitivity if the gum tissue has eroded from the root.
• Root canal. This is a last-resort treatment for severe tooth sensitivity that has not been helped by other methods.

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FLOURIDE ALLERGY

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Alright. So last week something interesting cropped up in my Blogpost -Flouride allergy
A lot of people informed me that they have not heard of it before. So here it is:

What is Flouride-allergy?

Studies have shown that some people are sensitve to Flouride. Although fluoride -allergy is rare, it can be very dangerous to people who have it.
These hypersensitivity reactions usually disappear promptly after discontinuation of the fluoride.

What are the symptoms of Flouride-allergy?

•  In hypersensitive individuals fluorides occasionally cause skin eruptions such as atopic dermatitis, eczema or urticaria.
•  Gastric distress, headache and weakness have also been reported. 

How is Flouride- allergy treated?

• Antihistamines are commonly prescribed by doctors,  and usually takes effect in 15 minutes.
• Prevention of foods with excess fluorides like sodas, bottled juices, processed cereals, chicken and fishes.
• Avoid tap water which is rich in fluoride, instead choose distilled or reverse-osmosis bottled water.

How to avoid Flouride-allergy

The best way to prevent an allergic reaction to fluoride is to avoid exposure altogether.

1. Know the sources.
2. Replace flouridated items with non-flouridated ones.
3. Choose a dental practice that understands the risks associated with flouride.

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TOOTHPASTE -Fluoride? or Fluoride-free?

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The most important step to healthy teeth and gums is to brush and floss properly daily.     Fluoride is added to toothpaste, mouthwash, community water supplies and prescribed in pills to help prevent tooth decay.  
However, there are instances when dental professionals would recommend the Fluoride- free toothpaste.
Patients who have dental fluorosis, do not need more fluoride and may prefer a toothpaste that does not contain fluoride.
Patients who are allergic to toothpaste should definitely opt for to a fluoride-free toothpaste.
Children under the age of two  can swallow too much fluoride; because at this age it is difficult to teach them to spit the toothpaste out. So a fluoride-free kiddies toothpaste would be ideal.

More natural toothpaste options are popping up in the market, and many of these are fluoride-free. 

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WATERFLUORIDATION

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Last week I wrote about the importance of Fluoride to prevent tooth decay.
Besides toothpaste; another source of Fluoride is our drinking water. And with this article I want to bring your  attention to why  this useful mineral is added to our drinking water.

Water fluoridation is the controlled addition of fluoride to a public water supply to reduce tooth decay. Fluoridated water contains fluoride at a level that is effective for preventing cavities; this can occur naturally or by adding fluoride. Fluoridated water operates on tooth surfaces: in the mouth, it creates low levels of fluoride in saliva, which reduces the rate at which tooth enamel demineralizes and increases the rate at which it remineralizes in the early stages of cavities. Typically a fluoridated compound is added to drinking water.
The recommended level of Fluoride in drinking water ranges from 0.5-1.5mg/L (milligrams per Litre). This is in accordance with guidelines from World Health Organization.
Bottled water typically has unknown Fluoride levels.

ADVANTAGES

•  Water fluoridation reduces cavities in children, 
•   Water fluoridation aims to prevent a chronic disease whose burdens particularly fall on   children and the poor,
•  Water fluoridation slows the progression of tooth decay,
•  Water fluoridation bridge can inequalities in dental health and dental care

CONCLUSION

Dental caries is one of the most prevalent chronic conditions worldwide.
The goal of water fluoridation is to prevent tooth decay by adjusting the concentration of fluoride in public water supplies.





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FLOURIDE

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What is fluoride?

Fluoride is a natural mineral found throughout the earth's crust and widely distributed in nature. Some foods and water supplies contain fluoride.
Fluoride is also added to toothpaste, mouthwash and drinking water. And it is the actual ingredient that helps to strengthen tooth enamel. Fluoride helps prevent tooth decay by making the teeth more resistant to acid attacks from plaque bacteria and sugars in the mouth. 

How does fluoride strengthen the teeth?

When it reaches your teeth, fluoride is absorbed into the enamel. It helps to repair the enamel by replenishing the lost calcium and phosphorous to keep your teeth hard.

How does fluoride work?

Fluoride helps prevent cavities in two different ways:

• Fluoride concentrates in the growing bones and developing teeth of children, helping to harden the enamel on baby and adult teeth before they emerge
• Fluoride helps to harden the enamel on adult teeth that have already emerged

Fluoride works during the demineralization and remineralization processes that naturally occur in your mouth.

• After you eat, your saliva contains acids that cause demineralization a dissolving of the calcium and phosphorous under the tooth's surface
• At other times when your saliva is less acidic it does just the opposite, replenishing the calcium and phosphorous that keep your teeth hard. This process is caused remineralization. When fluoride is present during remineralization, the minerals deposited are harder than they would otherwise be, helping to strengthen your teeth and prevent dissolution during the next demineralization phase.
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CAUSES OF BRITTLE TEETH

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What do we mean by brittle teeth?

At a young age biting into an apple or a guava was a simple task. Wasn’t it? But as you grow, your body goes through a lot of changes. Your teeth also face dental ageing and one sign of it is ‘brittle teeth’.It is a fairly common condition in which teeth lose their strength and break easily. They could crumble, crack or fall out without much impact or reason. Different causes trigger brittleness of the teeth. With good care and healthy eating habits, the condition of brittle teeth can be averted to a large extent.                                              

             

CAUSES:

• Caries
• Munching on hard foods
• Poor nutrition
• High impact sports
• Mouth piercings

These are just some of the reasons that teeth may become brittle.If you notice a nick or chip in one of more of your teeth, it's important to visit your dentist. The dentist will discuss with you a range of treatment options to get your pearly whites sparkling again.