[Health Column] Dark Gaps Between Teeth? How to Prevent Black Triangles
2025.07.24 15:16
Kim Hyun-soon ledger
hello. Director Kim Hyun-soon no see.
Have you ever noticed dark gaps between your teeth while looking in the mirror after finishing orthodontic treatment?
Is this a side effect of the orthodontic treatment?
Do I need to correct it again?
There are more people who are worried about this than you might think.
This gap is Black Triangle It is called [this] and is a natural phenomenon that often occurs after correction.
Today is Black Triangle I will explain everything in detail, step by step, from the causes to prevention and treatment methods.
1. What is a Black Triangle?
Black Triangle Iran, gums do not fill the spaces between teeth black triangular space It refers to the phenomenon that occurs.
especially Orthodontic treatment As the teeth become aligned through this, gaps that were previously invisible often become visible.
✔️Why do black triangles form?
- - As the overlapping teeth straighten out, the gum tissue fails to fill the space.
- - The more trapezoidal the tooth shape, the more likely gaps are to form.
- - Occurs more easily if gums are weakened due to periodontitis, etc.
It is noticeable temporarily, but in most cases, as time passes The gums naturally recover and relax. It works.
but gum health This is not good or In cases where there is a significant change in tooth alignment Caution is required as this may persist.
2. Is it possible to prevent a black triangle?
Yes, it can be fully prevented.
Black triangles form more easily if gum health is weak or periodontal tissue is weak, so Regular maintenance is the most important thing.
✔️Key Prevention Checklist
- - Brush gently three times a day to avoid irritating the gums
- - Use dental floss and interdental brushes to keep the spaces between teeth clean
- - Prevent tartar and inflammation with regular scaling
- - Get regular checkups for your periodontal condition before and after orthodontic treatment
These basic habits are precisely what tooth alignment Of course Gum health It is the surest way to protect it until then.
3. How is a black triangle treated?
If a black triangle has already appeared noticeably, to relieve discomfort therapy It is also possible.
However, since this does not apply to all cases, it is not mandatory. Select after consulting with an expert You must do it.
✔️Representative treatment methods
- ① Tooth Reduction (IPR)
- - The side of the tooth 0.3~0.4mm A method to narrow the gaps between teeth by finely trimming them
- - The amount removed is small and there is almost no pain, and natural arrangement This is possible
- However, excessive removal can damage the teeth, so it must be done with caution.
- ② Resin filling treatment
- - In the black triangle space aesthetic resin Fill to restore a natural shape
- - The procedure time is short, and the appearance is [improved] through color adjustment Very natural
- However, over time, discoloration or Re-procedure This may be necessary
※ Whether treatment is necessary depends on the individual's gum condition and tooth structure, so Accurate diagnosis This is the priority.
4. Is treatment absolutely necessary for a black triangle?
Black Triangle There are many cases where it feels sensitive only on the surface.
However, in the following cases, it is advisable to consider seeking medical attention.
✔️ Cases requiring treatment
- - When food frequently gets stuck between the gums and causes discomfort
- - When you lose confidence because you are self-conscious about the gap when you smile
- - When satisfaction after correction is low and causes psychological stress
Rather than proceeding with treatment excessively simply because you dislike the appearance, Degree of discomfort and dental health status It is recommended to decide whether to treat based on this.
Between the teeth Black Triangle Although it may look uncomfortable, it can be fully prevented and, if necessary, improved with appropriate treatment.
Above all, the most important thing is to maintain gum health on a daily basis. Proper lifestyle habits And even after correction Consistent management no see.
Teeth are a valuable asset that you must use for a lifetime.
Take a greater interest in orthodontics and care, viewing it as a decision for your health as well as for aesthetic reasons.
Director Kim Hyun-soon
Graduated from Seoul National University College of Dentistry
Adjunct Professor, Department of Orthodontics, Catholic University of Korea
Orthodontic Specialist (Ministry of Health and Welfare)
Certified Orthodontist (Korean Association of Orthodontists)
World Federation of Orthodontists (WFO) Fellowship
Adjunct Associate Professor at CHA University Hospital
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