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Etymology: Alfred C. Fones, American dentist, 1869-1938
a toothbrushing technique that uses large, sweeping, scrubbing circles over occluded teeth, with the toothbrush held at right angles to the tooth surfaces. With the jaws parted, the palatal and lingual surfaces of the teeth are scrubbed in smaller circles. Occlusal surfaces of the teeth are scrubbed in an anteroposterior direction.