It really hurt my gums. I put up with it during my 30 minute teeth whitening session And my gums were scraped up. They help opening my mouth, and not sure if it was worth it because it did hurt
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9 Pack 12Ml/Cc Dental Syringe W/ Curved Tip & Measurement - Disposable Graduated For Oral Care, Tonsil Stones Removing, Lab Use, Feed Small Pet
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