A member asked:

I had a partial paralysis of my face after the dentist injected me and it lasted for 3 hours. is this normal and what causes it?

4 doctors weighed in across 3 answers

See below: It is normal for the face to feel numb and to the pt enlarged to the extent that it feels worthless and the time frame is not unusual. Paralysis sensation is likely due to part of the facial nerve beeing anesthetized as well which can happen. No real need for concern especially because it only lasted about 3 hours.

Answered 11/12/2019

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Dr. John Mc Allister answered

Specializes in Dentistry

Bells Palsey: Temporary facial paralysis can happen after local anesthetic is used. It is not normally the intent of the dentist but if the facial nerve is anesthetized your face will droop for a short time. Usually the dentist is trying to anesthetize the sensory nerves but sometimes the motor nerve is anesthetized causing the muscles to relax.

Answered 11/12/2019

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Dr. Paul Grin answered

Specializes in Pain Management

Transient paralysis: after local anesthetic are common. Such facial paralysis is transient and temporary in nature and is of no lasting consequence.

Answered 11/12/2019

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