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Orthokeratinized odontogenic cyst (OOC) is an odontogenic cyst was initially termed as the uncommon orthokeratinized type of odontogenic keratocyst by the World Health Organization. It usually occurs in mandible. Various studies have shown that OOC has typical characteristic clinicopathologic features when compared to other developmental odontogenic lesions such as dentigerous cyst and the keratocystic odontogenic tumor (KCOT). Rare recurrence was noted after surgical removal of the lesion. The purpose of this article is to present a case of OOC arising in the posterior mandible and emphasize on differentiating it from the KCOT and dentigerous cyst.

The aim was to compare the morbidity of shoulder function following modified radical neck dissection with and without Pectoralis Major Myocutaneous muscle flap (PMMC) harvest in head and neck cancer patient to determine the effect of PMMC flap harvest on shoulder function and also to determine the effect of physiotherapy. Materials and methods: Prospective study involving two groups study group of 20 patients with MRND, with PMMC flap reconstruction as part of head and neck cancer surgery and control group of 20 patients who had undergone MRND(IJV & SAN sparing) without PMMC flap in same period were included. All patients were assessed at 3rd and 6th month following completion of surgery using subjective (Shoulder Disability Questionnaire) and objective (goniometer and manual muscle testing) parameters. 40 patients were included in the study, 33 (82.5%) male and 7 (17.5%) female with a mean age of 49 years with stage III/IV carcinoma In Group-1 and Group-2 the shoulder disability decreased significantly after physiotherapy intervention and also at 6thmonth postoperatively both groups showed improvements in shoulder range of motion and muscle strength. Harvesting of PMMC flap does not intensify the morbidity of shoulder which is common in RND and during MRND. A regimen of home-based exercises and patient education are effective tools to reduce shoulder disability and improving shoulder function.

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