Selantas and Fluoride
A dental sealant creates a highly-effective barrier against decay. Sealants are thin plastic coatings applied to the chewing surfaces of a child’s permanent back teeth, where most cavities form. Applying a sealant is not painful and can be performed in one dental visit. Your dentist can tell you whether your child might benefit from a dental sealant.
Fluoride is one of the best ways to help prevent against tooth decay. A naturally occurring mineral in many foods and water, fluoride combines with the tooth’s enamel to strengthen it by making the tooth surface more resistant to acid attack and also it inhibits bacterial growth. In many municipal water supplies, the right amount of fluoride is added for proper tooth development.. If your water supply does not contain any (or enough) fluoride, your child’s paediatrician or dentist may suggest using fluoride drops or a mouthrinse in addition to a fluoride toothpaste.
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.
In What Forms Is Fluoride Available?
As mentioned, fluoride is found in foods and in water. It can also be directly applied to the teeth through fluoridated toothpastes and mouth rinses. Mouth rinses containing fluoride in lower strengths are available over-the-counter; stronger concentrations require a doctor’s prescription.
A dentist in his or her office can also 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.
Fluoride supplements are also available as liquids and tablets and must be prescribed by your dentist, pediatrician, or family doctor.
Balanced Diet and Child’s Oral Health-
A balanced diet is necessary for your child to develop strong, decay-resistant teeth. In addition to a full range of vitamins and minerals, a child’s diet should include plenty of calcium, phosphorous, and proper levels of fluoride.
If fluoride is your child’s greatest protection against tooth decay, then frequent snacking may be the biggest enemy. The sugars and starches found in many foods and snacks like cookies, candies, dried fruit, soft drinks, pretzels and potato chips combine with plaque on teeth to create acids. These acids attack the tooth enamel and may lead to cavities.
Each “plaque attack” can last up to 20 minutes after a meal or snack has been finished. Even a little nibble can create plaque acids. So it’s best to limit snacking between meals.
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