One-to-one in the clinical environment. This is usually the most successful approach, because the message can be tailored to the individual and reinforcement is facilitated.
However, it is expensive in terms of manpower.
to the concentration are:
Greater
- a. The same The effects of natural fluoride versus added fluoride in reducing dental caries as it re
- b. Less lates***
The answer is b. Less.
The effects of natural fluoride versus added fluoride in reducing dental caries are less as the concentration increases.
This is because natural fluoride is less bioavailable than added fluoride. Bioavailability refers to the amount of a substance that is absorbed into the body. Added fluoride is more bioavailable than natural fluoride because it is more concentrated and is not bound to other molecules in the same way.
Studies have shown that the protective effect of natural fluoride against dental caries decreases as the concentration of fluoride in the water increases. For example, one study found that children who drank water with a fluoride concentration of 1 ppm had a lower risk of dental caries than children who drank water with a fluoride concentration of 2 ppm.
Another study found that adults who used fluoride toothpaste twice a day had a lower risk of dental caries than adults who used fluoride toothpaste once a day. However, the risk of dental caries did not decrease further for adults who used fluoride toothpaste more than twice a day.
Therefore, the effects of natural fluoride versus added fluoride in reducing dental caries are less as the concentration increases.
It is important to note that even though the protective effect of natural fluoride decreases as the concentration increases, it is still effective at preventing dental caries. Natural fluoride is especially important for people who do not have access to added fluoride, such as people who live in areas with low fluoride levels in the water.
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