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What is dental floss?
2026-08-20 23:48:28
Dental floss: the invisible assistant for oral hygiene
Dental floss is a thin-line tool used to remove food residue and plaque from the adjacent surfaces of teeth. It can effectively make up for the blind spots of toothbrush cleaning and prevent tooth decay and gum disease. This article will start fromThe definition and function of dental floss,Correct usage,Material and type selection,Applicable groups and precautionsandCommon product recommendations on the marketFive aspects are developed to help readers fully understand this daily oral care product.
The core functions and importance of dental floss

The main function of dental floss is to clean the interproximal areas of teeth (i.e., the gaps between two teeth). These areas are "hygienic dead corners" that are difficult to reach with toothbrush bristles. Research shows thatAbout 40% of dental plaqueHidden in the gaps between teeth, long-term accumulation may cause gingivitis or even periodontal disease. Compared with toothpicks, dental floss is thinner and softer, and can penetrate deep into gaps without damaging the gums. Common dental floss materials include nylon, polyester, or PTFE (Teflon), some with wax coatings to improve smoothness. The American Dental Association (ADA) states,Floss dailyIt is one of the basic steps of oral health.
How to floss correctly?
To use dental floss, you need to master the correct method: take a piece of dental floss about 30 cm long, wrap it around the middle finger of both hands, tighten it with your thumb and index finger, and gently wrap it in a "C" shape around the side of the tooth and slide it up and down. Be careful not to use excessive force which may cause your gums to bleed. For newbies, you can chooseDental floss pick with handle(Such as Oral-B Glide Floss Pick) auxiliary operation. Recommended for children or those with large gaps between teethExpanded dental floss(Such as Shuke's expanding dental floss), it will expand and fill the gaps when exposed to saliva. If you wear braces, you need to cooperateSpecial orthodontic threader(such as 3M dental floss threader) clean around the brackets.
Floss types and personalization options
Main types of dental floss on the marketSingle strand PTFE wire(Such as Colgate Super Smooth Dental Floss, which is smooth and not easy to split) andMulti-strand nylon thread(Such as Oral-B micro-wax dental floss, which has stronger cleaning power). There are also functional products with added mint or fluoride (such as Crest Deep Cleansing Floss). People with special needs can choose from:Sensitive gumsUse ultra-fine wax-free dental floss (such as Lion Thin Smooth Dental Floss),wide tooth gapUse a flat braided floss (such as Fawn Mama Wide Flat Floss). Some brands also launchBiodegradable corn fiber dental floss(such as Eco Roots environmentally friendly dental floss), taking into account both environmental protection and practicality.
Scientific advice on using dental floss
Dental floss is suitable for most people, but please note:Acute inflammation stage of gumsUse should be suspended,dental implant patientsYou need to consult your doctor to choose special floss (such as GUM bridge care floss). SuggestionsDaily before going to bedUse once. If bleeding or pain persists during use, seek medical attention promptly. Research shows that flossing correctly can reduce23% risk of proximal caries(Data source: Journal of Periodontology). Combined with fluoride toothpaste and regular teeth cleaning, you can build a more complete oral care system.
| brand | Representative products | Features |
|---|---|---|
| Colgate | Super smooth dental floss | PTFE material, smooth and anti-split |
| Oral B | Microwax dental floss | Multi-strand nylon, fluorine-containing and moth-proof |
| Shuke | Expanded dental floss | Swells when exposed to water, suitable for wide tooth gaps |
| mother fawn | wide flat dental floss | Flat weave for powerful cleaning |
Quote sources:
1. American Dental Association (ADA) Oral Health Guidelines
2. Journal of Periodontology 2017 Research Report
3. Product descriptions on the official websites of Colgate, Oral-B, Shuke and other brands
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