FIGURE 5 - Sequence for a dental cleaning using an ultrasonic scaler. Photo courtesy of Jan Bellows.

(A) Plaque- and calculus-laden right maxillary fourth premolar.
(B) Placement of the ultrasonic scaler tip against the crown before activation.
(C) Activation and tuning of the ultrasonic scaler to deliver a cooling and irrigation mist.
(D) Removal of plaque and calculus.
(E) Removal of plaque and calculus from the developmental groove.
(F) Cleaned tooth.