Teeth Protection
Local Fluoride Application in Children |...
Fuoride Application Makes Your Teeth Strong
Fluorides work to prevent dental caries through both topical and systemic mechanisms via three processes: inhibiting tooth demineralization, enhancing remineralization, and inhibiting bacterial metabolism. Local fluoride application on teeth in the form of toothpaste (at-home use) and varnish (in-office use) should be recommended for all children starting at tooth eruption. So, what is the exact mechanism by which fluorides make the teeth strong? Let’s find out,
When fluoride is present in oral fluids (i.e., saliva), fluorapatite, rather than hydroxyapatite, forms during the remineralization process. Fluoride ions (F–) replace hydroxyl groups (OH–) in the formation of the apatite crystal lattice. In fact, the presence of fluoride increases the rate of remineralization. Fluorapatite is inherently less soluble than hydroxyapatite, even under acidic conditions. That is why, your teeth become more resistant to decay from dental caries.
Protecting Your Teeth |...
How is Local Fluoride Application Done
Professionally-applied topical fluoride treatments are efficacious in reducing prevalence of dental caries. The most commonly used agents for professionally-applied fluoride treatments are five percent sodium fluoride varnish ([NaFV] 2.26 percent fluoride [ F], 22,600 ppm F) and acidulated phosphate fluoride ([APF]; 1.23 percent F, 12,300 ppm F). There are different techniques for the application of various fluoride containing varnishes and gels. We can take an example of application of Sodium Fluoride [Knutsons Technique].
- Oral prophylaxis done.
- Teeth are isolated either by quadrant or by half mouth.
- 2% NaF solution is painted on the air dried teeth so that all surfaces are visibly wet.
- Teeth are then allowed to dry for 3-4 minutes.
- The procedure is repeated for each of the isolated segments until all teeth are treated.
- 2nd, 3rd and 4th NaF application, each not preceded by a prophylaxis, is scheduled at intervals of approximately one week.
- The fluoride application is recommended for ages 3, 7, 11 and 13 years, coinciding with the eruption of different age groups of primary and permanent teeth.
- Thus, most of the teeth will be treated soon after their eruption, maximizing the protection afforded by topical application.
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How to Make Your Teeth Strong |...
Fluoridated Tooth Pastes
Tooth brushing with fluoride toothpaste is a very effective method of preventing caries. However, these should be used with caution in children. One problem with young children’s use of toothpaste is that they swallow some paste with a subsequent risk of fluorosis. Therefore, parents must be strongly advised to apply an age-related amount of toothpaste and assist/supervise tooth brushing until at least 7 years of age. Toothpaste with a lower concentration than 1000 ppm can be considered for young children regularly exposed to other sources of fluoride.
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