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Controlling the right amount of tooth paste is very important because lot of times the paste is dropped on the floor then thrown away for another try. Landing paste squeezes out the paste in flattened- wide rectangular shape thats easily controllable and attachable to the brush.
Konkuk University
Chungju-si, South Korea
Konkuk University
Jeongeup-si, South Korea
Han Byul Choi
Konkuk University
Seoul, South Korea
Eun Ju An
