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Ewing’s sarcoma is a rare aggressive variant of small round cell tumors and is an uncommon malignancy that occurs usually in childhood. It constitutes 10–15% of all primary malignant tumors and represents the second most common malignant bone tumor occurring in children and young adults after osteosarcoma - with an estimated incidence of 2.93 cases/million inhabitants under 20 years of age/year. This paper presents a case of 10-year-old male child who reported with a rapidly progressing swelling in the right mandibular posterior ramus region. The patient was diagnosed with Ewing’s sarcoma on the basis of history, clinical, radiological and confirmed with histopathological & immunohistochemical examination. Since the exact diagnosis is hard to achieve before biopsy, the condition poses a difficult diagnostic dilemma for the clinician.

Trismus refers to the restriction of the range of movements of the jaw commonly referred to as “lockjaw”. We report case series of trismus in patients who came with chief complaint of reduced mouth opening and pain with various aetiologies. These patients were successfully treated by Shekar’s physiotherapy appliance. Thus, this novel oral physiotherapy appliance is simple, easy to use, custom made and perhaps be employed as an effective method to treat trismus.

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