Trismus is seen in commonly ?

Ans. is 'b' i.e., Quinsy Trismus is inability to open-mouth. Normal opening of mouth ranges between 25-50mm. Any value less than this is known as trismus (roughly the opening should permit a minimum of three fingers when inseed sideways). Causes of quinsy are :? A. Common causes Infection around impacted third molor Quinsy (peritonsillar abscess) Submucous fibrosis TM joint dysfunction B. Less common causes Ludwings angina Parotid gland infection and tumors Malignant otitis externa or furncle in external auditory canal. Parapharyngeal and retropharyngeal abscess Carcinoma mandible Tetanus Radiation therapy Carcinoma check Malignant hypehermia Coming to the question Trismus can occur in all the given options. However, it is most common and most characteristic of quinsy (among the given options).