Read the following paragraph and determine if the hypothesis is true:

How to deep clean your teeth<br>Schedule an appointment with the dentist. A deep cleaning is usually recommended after periodontitis has already been diagnosed. Set up an appointment with your dentist for your deep cleaning.

OPT:
A). Yes;
B). It's impossible to say;
C). No;
Hypothesis: It is recommended that you don't do deep cleaning.
C).