Dental Space
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كل شي يخص طب الاسنان القناة بيها مصادر و شرحيات و كويزات صاحب القناة :- مصطفى إبراهيم اسماعيل @h4mr2 رابط متجر المستلزمات :- https://t.me/dentalspacesuppiles تاريخ انشاء القناة :- 2022/3/20
نمایش بیشتر2 080
مشترکین
-124 ساعت
-37 روز
-2430 روز
آرشیو پست ها
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39. According to the hydrodynamic theory, dentin sensitivity occurs primarily due to:
a. Direct stimulation of nerve endings within outer dentin
b. Heat-induced expansion of dentin matrix
c. Rapid fluid movement within dentinal tubules stimulating nerve endings
d. Chemical reaction between dentinal tubules and restorative materials
e. All of the above
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38. Which of the following best explains why dentin is less likely to fracture compared to enamel?
a. Dentin contains nerve endings that alert the pulp to mechanical stress
b. Dentin has higher mineral content than enamel
c. Dentin is more flexible and provides elastic support to enamel
d. Dentin is protected by a thicker layer of enamel
e. All of the above
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37. Phoenix abscess should be differentiated from acute
apical abscess by , all true except
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36. The clinical test that indicated the spread of infection from the periapical area into the cortical bone and soft tissue is -----
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35. The endodontic treatment phase in which the contents of the root canal are removed and the canal is prepared to receive a filling material is ----
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33. Which of the following restorative materials needs adhesive material ?
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31. Which histological change most accurately characterizes the transition from reversible to irreversible pulpitis?
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29. Which root canal configuration represents two canals joining to form one apical foramen?
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28. Which of the following is not part of the four zones of dental pulp?
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27. Which phase of endodontic treatment involves sealing the root canal system?
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26. A patient with history of trauma presents with a discolored tooth that is asymptomatic. Radiograph shows intact lamina dura but large carious lesion. Likely diagnosis?
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In Symptomatic Irreversible Pulpitis which stimulate increase pain
