The following are different etiolgy leading to head and neck defects:
- Neoplasia
- Infection
- Osteoradionecrosis
- Congenital defect
- Trauma
- Secondary to reconstruction
WHAT ARE THE ETIOLOGY OF HEAD AND NECK DEFECT?
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Write the advantage of endoscopic DCR over conventional open DCR.Write the advantage of endoscopic DCR over conventional open DCR.
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