Periodontics

Question 1

Plaque and Calculus are removed in 3 different ways of mechanism

Answer 1

1) mechanical chipping of the oscillating tip
2) cavitation effect of the coolant
3) Implosion of small bubbles with the coolant to exert disruptive forces on dental deposits

Question 2

Ultrasonic Scaler can be used to remove supragingiva and subgingival dental deposits
Is that true or false?

Answer 2

It is true - depending on the scaler tips used

Question 3

What part of the tip should touch the tooth surface ?

Answer 3

the tip should be directed apically with the last 2-3 mm of the tip to contact with the tooth at an angle of <15 degrees to the tooth surface