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March 23, 2015

The Importance of Fluoride

 

Fluoride is a mineral that occurs naturally in many foods and water. Every day, minerals are added to and lost from a tooth's enamel layer through two processes, demineralization and remineralization. Minerals are lost (demineralization) from a tooth's enamel layer when acids -- formed from plaque bacteria and sugars in the mouth -- attack the enamel. Minerals such as fluoride, calcium, and phosphate are redeposited (remineralization) to the enamel layer from the foods and waters consumed. Too much demineralization without enough remineralization to repair the enamel layer leads to tooth decay.

 

Fluoride helps prevent tooth decay by making the tooth more resistant to acid attacks from plaque bacteria and sugars in the mouth. It also reverses early decay. In children under 6 years of age, fluoride becomes incorporated into the development of permanent teeth, making it difficult for acids to demineralize the teeth. Fluoride also helps speed remineralization as well as disrupts acid production in already erupted teeth of both children and adults.

A dentist in his or her office can apply fluoride to the teeth as a gel, foam, or varnish. These treatments contain a much higher level of fluoride than the amount found in toothpastes and mouth rinses. Varnishes are painted on the teeth; foams are put into a mouth guard, which is applied to the teeth for one to four minutes; gels can be painted on or applied via a mouth guard.

 

It is certainly important for infants and children between the ages of 6 months and 16 years to be exposed to fluoride. This is the time frame during which the primary and permanent teeth come in. However, adults benefit from fluoride, too. New research indicates that topical fluoride -- from toothpastes, mouth rinses, and fluoride treatments -- are as important in fighting tooth decay as in strengthening developing teeth.

In addition, people with certain conditions may be at increased risk of tooth decay and would therefore benefit from additional fluoride treatment. They include people with:

  • Dry mouth conditions: Also called xerostomia, dry mouth caused by diseases such as Sjögren's syndrome, certain medications (such as allergy medications, anti-histamines, anti-anxiety drugs, and high blood pressure drugs), and head and neck radiation treatment makes someone more prone to tooth decay. The lack of saliva makes it harder for food particles to be washed away and acids to be neutralized.
  • Gum disease: Gum disease, also called periodontitis, can expose more of your tooth and tooth roots to bacteria increasing the chance of tooth decay. Gingivitis is an early stage of periodontitis.
  • History of frequent cavities: If you have one cavity every year or every other year, you will benefit from additional fluoride.
  • Presence of crowns and/or bridges or braces: Decay often appear at the point where the crown meets the underlying tooth structure or around the brackets of orthodontic appliances.
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February 26, 2015
The Impact of an Impacted Tooth           
                                      
 

A tooth is considered impacted when it only partially grows through the gums. This can happen because another tooth blocks it, or it grows in crookedly. The third molar typically erupts from age 17 to 21 and is the last tooth to appear, which is why it’s the most likely tooth to become impacted – there’s usually no room left for it.

 
Although an impacted tooth does not always lead to pain or discomfort, the impaction can cause other problems. A partially erupted tooth can create an opening in the gum where food and other particles can accumulate, leading to gum infection. Impacted teeth can also develop tooth decay, and they can also push on adjacent teeth, causing all your teeth to shift.
 
For these reasons, it’s usually recommended to have wisdom teeth extracted before the age of 21. The younger you are the better (and faster) the surrounding tissue and bone will heal. That doesn’t mean you should ignore the symptoms if you’re over 21, though.
 
No matter what age you are, if an impacted tooth is causing you pain, soreness, sensitivity or inflammation, come in for a visit. Better to get treatment than unnecessarily endure pain and discomfort!
 
Persistent pain or an infection usually means the tooth will need to be removed. Sometimes this can be done right in the office. Otherwise, we can give you a referral to a recommended oral surgeon.