Hand signs to commiunicate with the dentist during proceedure?

Most of the patients seeking dental treatments might be having a problem of how to communicate with the dentist during the dental procedure. That is because our main source of communication is verble communication which will be affected during dental procedure.
Here are some hand signs which you can use to communicate with the dentist during dental procedure. Please use these hand signals to communicate with the dentist during your dental procedure.

Dear Dentists, You can display this poster in your clinic in the waiting room.