DrApoorwaAwasthi

labial frenum stress bearing areas secondary stress bearing areas primary stress bearing areas limiting areas relief areas buccal frenum slopes of hard palate mid palatine raphae incisive papilla passive frenum active frenum hamular notch postdamming posterior palatal seal area orbicularis oris rugae maxillary tuberosity maxillary anatomical landmarks boundaries of buccal shelf are muscles of tongue lingual frenum sublingual crescent area alveolingual sulcus mental foramen relief area limiting structures pear shaped pad mandibular anatomical landmar buccal shelf area buccalfrenum retomolarpad tissue bolus compensators position maintaining stent radiation protection stents perioral stents head and neck cancer radiation oral cancer preventive prosthodontics prosthodontics