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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
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2 180
One of the chief disadvantages of using polyether impression material is its
a. Poor dimensional stability
b. Poor odor and taste
c. Weak tear resistance
d. Hydrophobicity
Ans : b
2 180
The chief advantage of zinc phosphate is its
a. Good compressive strength
b. Lack of irritation to the pulp
c. Film thickness
d. Low solubility
2 180
+1
ب ملزمة يكولي ما يتفاعل ويا inorganic material و بالأجوبة نموذجية مختارلي d
يا ربّ باجر أسئلة واضحة، مباشرة، وخالية من الأخطاء.. أسئلة تفتح النفس وتجبر الخاطر. 🤍
2 180
In cold lateral compaction technique, the critical step that enhances the sealing
ability at the apical area of the root canal is______
a. Heating the spreader
b. Creating a definite apical stop
c. Tug back resistance of the master cone
d. Using an electrically heated plugger
e. Applying lateral pressure when inserting the master cone
2 180
A tooth with ------ may have bone loss along the root and affects
the pulp and periodontal tissue. Treatment is extraction of the tooth due to the poor prognosis of the condition.
2 180
A bridge with two-pontic span will bend ---times more than a
single-pontic span.
2 180
According to the Law of Beam, as the length of the span increases in fixed partial denture,
2 180
17. Which bleaching agent is highly stable when dry but safely decomposes into sodium metaborate, hydrogen peroxide, and oxygen when exposed to water?
2 180
16. What are the signs and symptoms associated with symptomatic apical periodontitis?
2 180
Why does the microbial composition vary significantly between the coronal, middle, and apical regions of an infected root canal system?
2 180
Case Study 1: A patient presents with localized swelling mimicking a periodontal abscess on the buccal aspect of tooth #30. Radiographs reveal a radiolucency isolated to the furcation area. Pulp testing shows no response to cold or electric stimulation. A periodontal probe detects a single narrow 8mm defect at the buccal furcation, while all other probing depths around the tooth are 2-3mm. What is the most appropriate diagnosis?
A. True combined lesion
B. Primary periodontal lesion with secondary endodontic involvement
C. Primary endodontic lesion
D. Primary periodontal lesion
