Hello & welcome,
Locked jaw after third molar infection
indicates you have developed trismus
following the infection which needs immediate treatment before it worsens to completely locking the jaw.
Visit your dentist
, get your oral cavity thoroughly examined. An x-ray can be done to know the periapical bone condition surrounding the third molar tooth.
Muscle relaxants along with Antibiotics and painkillers are vital drugs to reduce the trismus as quickly as possible.
If lock jaw continues for prolonged period, then forceful opening of the jaw have to be carried out by the dentist or oral surgeon in the clinic.
To avoid the same, you have to do the oral exercise regularly which your dentist will let you you demonstrate correctly.
Keep your oral cavity clean specially by the use of Antiseptic mouth wash.
Extraction of the tooth might be necessary after the trismus resolves & can be done by your dentist.