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11:01 Done is true names for the orifices? I II III a. Mesiobuccal 1 Mesiobuccal 3 b. Mesiobuccal Distobuccal c. Mesiobuccal 1 Distobuccal d. Mesiobuccal Mesiolingual e. Mesiobuccal Mesiolingual endo.docx 5. Which of the following IV Palatinal Mesiobuccal 2 Midmesial Palatinal Palatinal Distal Distal Mesiobuccal 2 Mesiobuccal 2 Midmesial 6. Which of the following statements regarding the mandibular first premolars is false? a. Endodontic access cavity in mandibular first premolar is prepared on occlusal surface. b. Endodontic access cavity in mandibular first premolar is prepared in oval form that is wider buccolingually c. The crown is tilted lingually relative to their roots in mandibular first premolars d. Endodontic access cavity in mandibular first premolar is prepared in oval form that is wider mesiodistally. e. Diamond coated burs should be used to remove enamel in mandibular first premolars 7. Which of the followings will not occur if the working length is unaccurate? a. Post-operative pain b. Missing the extra root canals c. Over - instrumentation d. Persistent or recurrent apical periodontitis e. Flare - up 8.*...............' is defined in the endodontic glossary as the distance from a coronal reference point to the point at which canal preparation and obturation should terminate.