Bounded anteriorly by the last erupted molar, posteriorly by the ramus of the mandible, superiorly by the maxillary tuberosity, and inferiorly by the retromolar trigone, the retromolar space has been used for flexible fiberoptic oral intubation in patients with severe trismus
in whom the reduced interincisor distance does not allow for placement of a rigid laryngoscope or a tracheal tube between the teeth .
has been described as a motor disturbance of the trigeminal nerve with restricted maximal mouth opening (MMO), characteristic of tetanus .
46yrs/M Pain, trismus
, & swelling in mandibular left posterior region Chauhan 33 yrs/M Pain & swelling in lower right back region Dinakar et al.
Clinically the patient showed swelling and trismus
, tenderness at the mandibular angle, palpation bilaterally, and posttraumatic malocclusion (left posterior precontact).
Intraoral examination showed limited jaw opening--II degree trismus
and halitosis (fetor ex ore).
Of the 128 patients with an extra-temporal tumor, 107 (84%) complained of facial or ear pain and 41 presented with trismus
A Dalmatian cross dog was presented with history of trismus
 The clinical features of OSMF includes progressive inability to open the mouth (Trismus
) due to oral fibrosis and scarring, pain and burning sensation upon consumption of spicy food stuffs, increased salivation, change of gustatory sensation, hearing loss due to stenosis of the eustachian tubes, dryness of the mouth, nasal tone to the voice, dysphagia (if esophagus is involved).
Complications related to IANB injection include transient facial paralysis, trismus
, local anaesthetic injected into blood vessel, self-inflicted trauma, damage to sphenomandibular ligament and pterygomandibular space infection.
However, less than half of respondents reported that they were very confident in their ability to examine the health of teeth and gums for complications of trismus
, dysphagia, and xerostomia.
functional disabilities--impaired ability to eat, speak, and swallow because of mucositis, xerostomia, trismus
, or infection
Treatment depends on the cause of trismus
. If it occurs suddenly, it usually settles after a week on its own.