Teeth whitening frequently asked questions
->What is tooth whitening?
Tooth whitening, also called bleaching, is a process of lightening and removing stains from a tooth. This process bleaches the enamel and dentin, the principal mass of a tooth, and brightens the discolored teeth.
-> What are the different methods of teeth whitening?
Some of the teeth whitening options are over-the-counter whitening systems; dentist dispensed at-home products, laser tooth whitening method; Loaded Tray Teeth Whitening method and in-office whitening methods.
-> Are the whitening effects permanent?
Whitening effects are never permanent.
-> How do the teeth whitening kits work?
The peroxide chemical is the main ingredient of every whitening product that bleaches the tooth enamel. About 10% carbamide peroxide are present in dentist dispensed products whereas 15 to 35 percent hydrogen peroxide is present in professionally applied tooth whitening products. When these products are used with laser, it speeds up the whitening process.
-> Who are not recommended to undergo teeth whitening?
Tooth whitening is not recommended for children below 16 and for lactating and pregnant women. Further, individuals with gum disease, worn enamel, cavities, and exposed roots should not undergo any tooth whitening procedure.
->How long does the methods of tooth whitening take?
In-office procedures require two or more visits to the dentist and each visit lasts for thirty minutes to one hour. Whereas the at-home products purchased from a dentist or medical store and over-the-counter products take several hours to four weeks to show the result.
-> What are the side effects of tooth whitening?
Some feel temporary discomfort, such as gum or tooth sensitivity. But these symptoms disappear within 1 to 3 days after the treatment is completed.
-> How much does the different methods of tooth whitening cost?
The charges vary with location, types of treatment and product used. But Laser or power whitening treatment is always expensive than professional bleaching and home based bleaching.
-> How to look after the teeth once they have been whitened?
One should eliminate those foods and drinks that stains the teeth and at the same time should stop smoking. He should brush his teeth twice a day with fluoride toothpaste and visit the dentist at least once a year.
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Understanding Fats and carbohydrates and their role in a healthy diet
In recent times it would give the impression that fats and carbohydrates have both gotten a bad rap. First it was fat that was the culprit in all dietary ills, and low fat diets were all the rage. Then the two switched places, with carbohydrates being the bad guys and fat reigning supreme.
Both fats and carbohydrates play an important role in nutrition, and both are vital to a healthy diet. It would be impossible and unwise to remove all fat from the diet, since fat is important for the production of energy, and for carrying valuable fat soluble vitamins like vitamin D, vitamin E and vitamin K, throughout the body. In addition, fat plays a very important role in regulating various bodily functions.
Even though some fat is essential to a healthy body, too much fat can be harmful. Excessive levels of dietary fats have been implicated in heart disease, stroke, high cholesterol levels and even some cancers. Most nutritionists suggest limiting daily fat intake to less than 20% of calories, although taking that level lower than 10% is not recommended.
The type and amount of fat in the diet makes all the difference. A diet high in saturated fats, trans fats and cholesterol has been associated with a variety of ills, including heart disease, stroke and other related diseases. In addition, many long-term chronic problems, such as obesity, are associated with high levels of dietary fats.
Food labels do make the complex process of choosing the right fats somewhat easier. For instance, trans fats will be listed on the ingredient list of foods that include them. In general, trans fats are found mainly in processed foods. When limiting your daily intake of fat and cholesterol, it is good to have an understanding of nutritional labels. This government mandated labels could be a huge help to those who take the time to read and be aware of them.
Carbohydrates are an important part of a healthy diet as well, and carbs are necessary for providing energy and many vital nutrients. Carbohydrates are found in fruits and vegetables, in grains and in milk and dairy products. It is important to choose carbohydrates carefully, however, since not all are equally healthy.
Keeping saturated fats and trans fats to a minimum is important to a healthy diet. Trans fats, which are solid at room temperature, are most often found in highly processed foods like cookies, cakes and other baked goods. In addition, trans fats are often found in fried foods and in salty snacks like potato chips. While these foods are fine in moderation, it is best to avoid large quantities of such snacks.
As with many products, less is often more when it comes to choosing foods rich in carbohydrates. For example, less refined whole grain bread is generally more nutritious than white bread, which has gone through a greater amount of refining. That is because the refining process tends to decrease nutrient content over time.
Of course, there are some elements in the diet that should be limited. Two of these elements are sugar and salt. Most Americans consume too much salt and sugar, and this has led to epidemics of obesity, diabetes, heart disease and other ills. Limiting sugar and salt, while choosing good fats and unrefined carbohydrates, is a great way to make the most of the nutritional value of the foods you eat.
There's a lot to understand about Fats and carbohydrates. We were able to provide you with some of the facts above, but there is still plenty more to write about in subsequent articles.
About the author : Nishanth Reddy, is an author and publisher of many health related websites. For more information on how to choose healthy diet visit http://www.weightloss-diettips.com/healthydiet/
The role of fats in your diet
Fats are always looked at as a negative in a diet...well in almost all diets anyway, as Atkins tends to think that they are OK. The reason that most people try to avoid fats is that they tend to be less of a priority for your body to metabolize; the body would rather metabolize the carbohydrates and then Fat or Protein. Another issue with fat is the number of calories per gram, a gram of fat has 9 calories as opposed to Protein and carbohydrates which have 4 calories per gram. So your body is going to more than likely store any extra fat taken in as, well, fat.
So you should watch out for the fat in most cases. Still it is important to take in some fats, you body can not exist without any fats and in fact stores vitamins A, D, E and K in fat. These vitamins are needed to maintain good health. One thing to be aware of is that these vitamins because they are stored in fat can build up and be toxic…how toxic? Well I have not heard of anyone getting sick from them but without them you would surely get sick.
Research has shown, because that people who consume a high-sugar diet tend to consume lower amounts of fat and vice versa. If you think about this it means that your mind will look at a sugary or a fatty food in the same way and will crave both in the same way.
Most people's questions about fasts are what kind they can eat to be eating healthy. There are three types of fat that comes from food. Saturated Fats, Polyunsaturated Fats, and Monounsaturated Fats. All three are found in foods that come from animals or plants, but the amount varies. As a rule, more saturated fat is found in animal than vegetable foods, where more polyunsaturated and monounsaturated fats are found in vegetables than animal foods.
Cholesterol is also found in foods from animals. Saturated fat is mainly found in foods of animal origin, but some vegetables also have large amounts. These are called saturated vegetable fats and are often found in processed bakery goods and nondairy milk or cream substitutes. These are: Beef, Brazil Nuts, Butter, Cheese, Chocolate, Coconut, Coconut Oil, and Lard
As a rule of thumb when shopping, saturated fats are solid at room temperature. When you have a lot of saturated fat in your diet, your liver responds by making more cholesterol. This raises your blood cholesterol level. It is the most harmful type of fat you can eat.
Polyunsaturated fats come mainly from plants. They are liquid at room temperature. Eating polyunsaturated fat can reduce blood cholesterol levels. Examples are Almonds, Corn Oil, Cottonseed Oil, Filberts, Fish, Margarine, Mayonnaise, and Pecans
Monounsaturated fats are mainly found in foods that come from plants. They are liquid at room temperature and can reduce blood cholesterol levels, but less than polyunsaturated fats do. They can, however, raise HDL cholesterol (the "good" kind of cholesterol) levels. Examples are Avocado, Canola Oil, Cashews, Olives, Olive Oil, Peanuts, and Peanut Butter.
Trans fats are what make vegetable margarines have a butter-like texture, and prolong the shelf life of packaged foods. The effects of trans fats are still not known, but it is believed that they, like saturated fats, cause blood cholesterol levels to increase. As we have learned over the last couple years trans fats can not be metabolized by our body so they are poisonous and very unhealthy
Bill Nadraszky is passionate about health and fitness. To learn more read the diet book review