juninordentist promotes dentisign

"During Dental Procedures when you will be having multiple instruments in your patients mouth and the patient has to communicate with the dentist it becomes impossible to speak, this is where the Dental Hand Signs come in and are quite useful in communicating the patients concern without disturbing the working field. It is more useful in cases where Rubber Dam is used while restorations or in Root Canal Procedures."

Read more here 

https://www.juniordentist.com/use-dental-hand-signs-in-clinics-for-communication-during-procedures.html​