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NEET MDS Quiz - Practice Test
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Practice Test

Prosthodontics - 3 Questions

1
Prosthodontics
The relationship of the denture base that resists dislodgement of denture in the horizontal direction is 
 1. Stability
 2. Pressure
 3. Support
 4. Retention

πŸ“ Explanation:

Terms:

  1. Stability:

    • Stability refers to the ability of a denture to resist horizontal forces that may cause it to move or dislodge. A stable denture base remains in place during function, such as chewing or speaking, and is crucial for the overall comfort and effectiveness of the prosthesis. Stability is influenced by the design of the denture, the fit of the base, and the anatomy of the underlying tissues.

  2. Pressure:

    • Pressure refers to the force exerted by the denture base against the underlying tissues. While pressure is important for retention and support, it does not specifically describe the resistance to horizontal dislodgement.

  3. Support:

    • Support refers to the resistance of the denture base to vertical forces. It is provided by the underlying bone and soft tissues, ensuring that the denture does not sink into the tissues under occlusal load.

  4. Retention:

    • Retention is the ability of the denture to stay in place against vertical dislodging forces. It is primarily influenced by factors such as the fit of the denture, the use of adhesives, and the presence of suction or interfacial tension between the denture base and the oral tissues.

2
Prosthodontics
Most semiadjustable articulators have a fixed intercondylar distance of
 1. 200mm
 2. 160mm
 3. 70mm
 4. 110mm

πŸ“ Explanation:

Most semiadjustable articulators have a fixed intercondylar distance of 110mm.

3
Prosthodontics
Which of the following finish lines may be difficult to detect on the tooth in an impression, or later on the die? I 1 Shoulder I 2. Knife-edge 3. Shoulder with bevel 4. Chamfer

πŸ“ Explanation:

The knife-edge finish line may be difficult to detect on the tooth in an impression or on the die because it creates a very fine, feather-edge margin that can be easily damaged during impression taking or die pouring. This delicate margin is prone to chipping and may not reproduce accurately, making it challenging to identify precise margins.

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