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저도 치아가 누런 편이라 요즘 고민도 되고 치아미백에 호기심이 발동하네요...ㅎ 좋은 정보 있으면 서로 공유하시게요...ㅎ 오늘 하루도 좋은 하루되시길 응원합니다...^^
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Since I drink one or two cups of coffee a day, my teeth have become yellow even though I don't drink carbonated beverages!
So, when taking pictures, I dislike the yellowish feeling, so I want to get teeth whitening.
Is teeth whitening done by grinding down the outer surface of the teeth?
I'm hesitant because I'm worried it might cause stinging or not last very long.. Please tell me in detail if you've tried it!