Ultrasonic instruments contraindications

# Ultrasonic instruments are indicated for each of the following types of patients EXCEPT one. Which is the EXCEPTION?
A. Active infectious disease
B. Deep periodontal pockets
C. Controlled diabetic
D. Edematous tissue
E.Mildly uncontrolled diabetic

Ultrasonic instruments should NOT be used
for patients with active infectious disease
because the aerosol created by the instruments serves to spread the infection
around the operatory.

Diabetes and deep periodontal pockets are
indications that ultrasonic instrumentation.

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