Ask the Dentist - Flossing

Q: Should we floss?

You’ve heard this constant refrain from your dentist: “Remember to floss your teeth”.

“What a nag,” you may snigger…..” What’s wrong with just brushing twice a day?”

Our advice is based on scientific fact: bacterial plaque causes gum disease and tooth decay, the two most common diseases in the world.

Bacterial plaque, left undisturbed along the margins between teeth and gums, causes inflammation in the gums. Evidence of long term inflammation are swollen gums that bleed easily.

In the areas that trap food, especially between the back teeth. When these bits of food are not removed,bacteria feed on them, releasing acids and causing tooth decay.

How do we remove all that harmful plaque?

Brushing works well on exposed tooth surfaces but a floss is needed to get rid of plaque and food debris between teeth. If gum disease has already left gaps between teeth, then special interdental brushes are recommended.

When left alone, plaque hardens into tartar. It can then only be removed through professional scaling.

Therefore, remember to see the dental professional twice a year and if you have any problems flossing or using interdental brushes, do not be shy to ask your dentist.


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Dr Helena Lee is a Dental Specialist in Periodontics with Specialist Dental Group®, Singapore. She is also an Adjunct Lecturer with the National University of Singapore. Dr Lee has a special interest in dental implants, gingival plastic surgery, and tissue grafting.

For more information, visit www.specialistdentalgroup.com or call (65) 6733 7883.

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Specialist Dental Group ® is a corporate sponsor of the Canadian Association of Singapore (CAS). CAS members enjoy a special rate for dental services.