Daily Quiz for FCPS Part 1, Daily Quiz for NBDE Part 1, NBDE Part 1 MCQs, NBDE Part 2 MCQs Quiz of Oral Biology and Tooth Morphology # 8 UPDATED January 20, 2016 Dr. Jahangir Khan Leave a comment Welcome to your Quiz of Oral Biology and Tooth Morphology # 8 Q: A 13 year old boy presents to his general dental practitioner with a broken upper incisor tooth of one day duration. He complains of pain in the tooth when drinking cold water. On examination the enamel of the incisal edge has been chipped off, and the underlying dentin exposed. Which of the following contents of he dentinal tubule are most likely to be responsible for the pain felt by the patient? Fluid Collagen Nerve endings Odontoblastic process ProteoglycansBe sure to click Submit Quiz to see your results!