Recording selfies while brushing teeth can improve oral hygiene
Recording smart phone video “selfies” of tooth-brushing can help people learn to improve their oral health care techniques, according to a new study. Using smart phones propped on stands, study participants filmed their brushing at home. Researchers saw an increase in the accuracy of brush strokes, an increase in number of strokes and an overall 8 percent improvement in tooth-brushing skill—but the length of time a person brushed did not change.
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