50 Dentist,DENTAL DUAL Arch MOUTH TRAYS with SILICON Teeth Whitening

For Teeth Whitening.THIS 1 MOUTH TRAY is For BOTH TOP and BOTTOM TEETH, THIS TRAY is WHAT MOST DENTIST USE. PLACE LOADED TRAY in MOUTH and BITE DOWN in CENTER of PUTTY For CUSION IMPRESSION. USING BOTH INDEX FINGERS, FIRST RELEASE UPPER IMPRESSION TRAY TO BRAKE SUCTION.

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