64. 牙刷朝根尖方向,刷毛輕觸牙齦與牙齒,振動刷毛同時牙刷朝咬合面方向旋轉清潔,是下列何種刷牙方
法?
(A)Stillman method
(B)Bass method
(C)Modified Charters technique
(D)Modified Stillman technique
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統計: A(87), B(202), C(209), D(711), E(0) #2866882
統計: A(87), B(202), C(209), D(711), E(0) #2866882