Can dental anesthesia cause facial paralysis?
The symptoms of facial nerve palsy can occur immediately or may be delayed. When facial paralysis from dental anesthesia happens within minutes, it’s usually caused by accidentally injecting the needle into one or more branches of the nerves. The needle may go directly into a gland or can be administered too far.
Can dental injections cause Bell’s palsy?
There have been some reported cases of Bell’s palsy associated with dental care. Individual cases have been reported associated with dental anesthesia, complicated tooth extraction, and infection after tooth extraction. These are considered to be very rare.
How can facial paralysis occur during dental treatment?
The mechanism of facial weakness after dental procedure can be explained as follows; direct anesthesia to the facial nerve can force a rapid onset that occurs while the anesthetic agent is being injected, reflex vasospasms of the external carotid artery can lead the ischemia of facial nerve, and dental infections may …
Can numbing injection cause paralysis?
This common pain medication numbs your mouth so you do not feel pain as the dentist works. For most people, the trip to the dentist is uneventful. However, sometimes, complications arise. According to Colgate, getting Novocain often causes temporary issues with facial paralysis in the injection area.
Can dental injections cause nerve damage?
Prolonged and possibly permanent change in sensation due to nerve damage can occur after dental injections. Although the condition is rare, many practitioners will see this form of nerve injury during their careers.
Can dental work damage facial nerves?
Damage to the facial nerves can occur due to trauma, specific cancer treatments, and medical conditions such as Bell’s palsy. While it’s rare, wisdom tooth extraction, corrective jaw surgery, and other dental procedures can also lead to facial nerve damage.
Does facial nerve palsy go away?
This type of facial paralysis usually develops suddenly and affects only one side of the face. The cause may be swelling in the facial nerve, which temporarily restricts its blood supply. The nerve almost always recovers, and facial paralysis typically goes away on its own within a year.
Can you get nerve damage from a dental injection?
What happens if an injection hits a nerve?
Other injection site events If a nerve is hit, the patient will feel an immediate burning pain, which can result in paralysis or neuropathy that does not always resolve.
What happens if a dentist hits a nerve with a needle?
Nerve damage after a dental injection This nerve damage could be minor, and the symptoms may disappear on their own after a few days or weeks. Alternatively, the nerve could potentially be damaged more seriously, which may mean long-term or even permanent symptoms.
Can a dental procedure cause delayed facial nerve palsy?
The patient’s medical history, clinical appearance, and complete examinations led to the diagnosis of delayed facial nerve palsy. Although neurologic occurrences are rare, dentists should keep in mind that certain dental procedures, such as inferior alveolar block anesthesia, could initiate facial nerve palsy.
How long does it take to recover from facial nerve palsy?
The paralysis could be either immediate or delayed, based on the time elapsed from the moment of the injection to the onset of the symptoms. In the immediate type, the paralysis occurs within minutes of injection with a recovery period of 3 hours or less.
Are there any cases of delayed paresthesia after dental surgery?
The altered sensation usually follows immediately after the procedure, and reports of late onset of nerve involvement are rare. This report presents a rare case of delayed paresthesia after dental surgery and discusses the pathophysiology of IAN delayed paresthesia. Keywords: Delayed Paresthesia, Inferior Alveolar Nerve, Pathophysiology
What are the nerves involved in dental paresthesia?
In paresthesia resulting from dental procedures, the inferior alveolar nerve (IAN) and lingual nerves are the most commonly implicated nerves [1,3]. The IAN is the third branch of the trigeminal nerve and is a very important nerve in dental treatment.