Question 27 · LDEK · Acrylic partial dentures
Indicate the range of the upper mucosa-supported removable partial denture bearing area in the case of partial edentulous spaces:
1) in the oral vestibule, reaches the greatest convexity of the alveolar process;
2) in the oral vestibule, reaches the border of movable mucosa, passes by the upper labial frenulum and other present frenula;
3) to the back, includes maxillary tubers;
4) to the back, includes maxillary tuberosities;
5) passes by the pterygomandibular ligament;
6) passes by the sphenomandibular ligament;
7) runs along the posterior border of the hard palate;
8) in dentulous spaces, reaches the tooth cervices from the palatal side;
9) in dentulous spaces, passes by marginal periodontium from the palatal side.
The correct answer is:
2) in the oral vestibule, reaches the border of movable mucosa, passes by the upper labial frenulum and other present frenula;
3) to the back, includes maxillary tubers;
4) to the back, includes maxillary tuberosities;
5) passes by the pterygomandibular ligament;
6) passes by the sphenomandibular ligament;
7) runs along the posterior border of the hard palate;
8) in dentulous spaces, reaches the tooth cervices from the palatal side;
9) in dentulous spaces, passes by marginal periodontium from the palatal side.
The correct answer is:
- A. 1,3,6,7,9.
- B. 2,3,5,7,9.
- C. 2,4,5,7,8.
- D. 2,3,6,8.
- E. 1,4,5,7,9.
Hint
Picture an upper base that must be stable: how far it goes in the vestibule, what it covers or bypasses posteriorly, and how it meets the teeth.
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