Q and A

About toothbrush

How often should I change my toothbrush?: You should change your toothbrush soon if its bristles become shaggy. Or if its bristles are not shaggy, you should change your toothbrush once a month, because the bristles will be worn gradually and lose their elasticity by the friction between teeth of the very hard material.
What kind of the hardness of the bristles should I choose?: There are 3 types of the hardness of the bristles - "hard", "medium" and "soft". Although the harder bristles have the higher performance of removing the plaque on vertical surfaces, with excessive force, you may damage the gum. If you tend to do high-power brushing, you should choose the toothbrush with "soft" or "medium" bristles. Otherwise, "medium" or "hard" may be recommended. If your gum is weaken, you should choose "soft" or "medium".
What is "mountain cut" or "super fine bristles"?: There are various types of the cutting bristle of toothbrush. The most popular type is "straight cut" that are trimmed straight. It is suitable to various ways of brushing. On the other hand, the special cuts are especially suitable to cleaning the boundary between the gums and teeth or the gaps between teeth. For example, "mountain cut" or " brilliant cut of super fine bristles" are especially suitable to cleaning the gaps between teeth. If you have the parts that is difficult to brush, you should choose the toothbrush of the special cut.
What size of toothbrush should I choose?: The size of the head (the toothbrush tip in which bristles are transplanted) is important. With too large head, the toothbrush can't be moved smoothly and careful brushing may be difficult. Your toothbrush should be reached back teeth and the back of teeth. Specifically speaking, you should choose the toothbrush with the head smaller than the size of the first joint of your index finger.

About Dental Floss & Interdental Brush

Which should I use interdental brush or dental floss?: Interdental brush and dental floss are essential to remove plaque and food particles between teeth.It can't be said categorically whether it's good or bad, because dental floss can be inserted into very narrow gaps and interdental brush has the advantage of superior ability to remove dental plaque. Interdental brush is suitable to the wide gaps between teeth and dental floss is suitable to the narrow gaps. It is effective to use both tools depending on the situation.
Which size of interdental brush should I choose?: Although interdental brushes are available in various sizes, too large brushes may injure your gum. So, for the first time, starting with the smallest brush is recommended. And you should up the size gradually. Interdental brushes may be available in about 5 sizes - SSS, SS, S, M and L. For the first time, you should start with SSS.
Can I use interdental brush or dental floss many times?: Dental floss should be disposable. Used floss will not be able to fully demonstrate the ability to remove plaque because of its worn fiber. Interdental brushes, depending on the use, is disposable and should be changed in a few times. If you use the brush in a few times, you should rinse it under running water and let it dry well.
For the first time, What should I use?: If you do interdental cleaning for the first time, you should use dental floss or the smallest interdental brush. Too large brushes may injure your gum. So, for the first time, starting with the smallest brush is recommended. And you should up the size gradually.

About Brushing

How often should I do brushing?: Dental plaque that causes dental caries or periodontitis is colonizing bacteria. It increases using the glucide remains in our mouth. While sleeping, only a little amount of saliva is secreted and dental plaque increases most quickly. So, "4 times a day" brushing is ideal - after each meal and before bedtime. However, without care, brushing four times a day can't remove plaque. The frequency is important, but careful brushing is more important.
When should I do brushing?: The tooth cleaning before bedtime is the most effective. Although the oral cavity is always while awake washed by saliva, only a little amount of saliva is secreted while sleeping and dental plaque increases most quickly. Because dental plaque increases using the glucide remains in our mouth, the brushing after meal is also effective.
Can I remove stain by brushing?: Teeth may be colored by tea, coffee, red wine or cigarette. Severe stain can be removed easily by brushing and in such a case, you should go to dental clinic. However, until the stain is fixed to the teeth by such a drink or cigarette, many days are needed. So, by performing daily brushing correctly, you can prevent the adhesion of the stain.
How many minutes does it take to brush correctly?: It is said that correct brushing needs 10 minutes.Although 10 minutes brushing may be difficult in every time, at least once a day, before bedtime, you should do 10 minutes brushing. It may prevent your dental caries or periodontitis.

About Flossing

Is interdental cleaning effective?: Dental caries or periodontitis are caused by dental plaque of colonizing bacteria. By brushing, only 50% to 70% of plaque can be removed. However, a research said that 90% more plaque can be removed by the combination of brushing and flossing. So, interdental cleaning is very effective to remove the plaque that can't be removed by brushing.
How often should I do interdental cleaning?: Usually, you should do interdental cleaning once a day. Because, while sleeping, only a little amount of saliva is secreted and dental plaque increases most quickly, interdental cleaning before bedtime may be most effective. If food is easy to stick between teeth, interdental cleaning after meal is also effective.
By interdental cleaning, do I bleed from the gum?: When you do flossing for the first time, you may bleed from the gum. This is because you had never done flossing until the time. The bleeding is caused by the inflammation of the interdental gum and the accumulation of plaque induces the inflammation. While continuing regular flossing, plaque is removed and the bleeding will be stopped. So, if you bleed in flossing, don't be afraid and please continue flossing. However, if the bleeding continues for a long time, your flossing method can be problematic or there can be serious problems in your gum. In such a case, you should receive medical treatment at the dental clinic.
Does interdental cleaning injure my teeth and spread the gap between teeth?: If you continue interdental cleaning, you may feel that the gap between teeth may spread. The inflammation of the interdental gum caused by plaque will be subsided by removing the plaque. So, such feeling caused by the compressed gum. The surface of teeth is covered by Enamel that is the hardest and most highly mineralized substance in the human body. Because Enamel is as hard as crystal and harder than knife, dental floss or interdental brush can't injure the surface of teeth.