Question 175 (part 2) · LDEK · Cast partial dentures
Indicate all combination of arms which form single clasp:
1) retentive and stabilizing arm;
2) retentive and actively guiding arm;
3) retentive and classically guiding arm;
4) classically guiding arm and actively guiding arm;
5) classically guiding arm and stabilizing arm;
6) 2 retentive arms;
7) 2 actively guiding arms;
8) 2 classically guiding arms.
Correct answer is:
2) retentive and actively guiding arm;
3) retentive and classically guiding arm;
4) classically guiding arm and actively guiding arm;
5) classically guiding arm and stabilizing arm;
6) 2 retentive arms;
7) 2 actively guiding arms;
8) 2 classically guiding arms.
Correct answer is:
- A. 1,2,3,4.
- B. 3,4,5,6.
- C. 2,3,4,7.
- D. 4,5,7,8.
- E. 2,3,6,7.
Hint
A self-contained clasp needs a retentive element plus an arm that contacts and counteracts on the tooth along the whole path of insertion.
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