Prosthodontics Online Test

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Prosthodontics

Description: mds entrance
Number of Questions: 15
Created by: Rekha Rai
Tags: preparation MDS (Masters in Dental Surgery)

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The most common difficulty associated with patients suffering from neuromuscular disorders in construction of a complete denture includes ___________.

recording jaw relations
in impression taking
only 1 and 2
in arrangement of posterior teeth
in border moulding

In Wood classification, order V corresponds to

knife edged ridge
high well rounded
low well rounded
depressed
pre-extraction

Occlusal forces generated by the natural dentition is of the order of

25 pounds
50 pounds
100 pounds
150 pounds
200 pounds

Which of the following is/are physiological method(s) of recording posterior palatal seal area?

Conventional approach
Fluid wax technique
Only 1 and 2
Arbitrary scraping of the master cast
Extended palatal technique

Which of the following is the main purpose of boxing an impression?

To serve as a base for cast poured
To preserve the border width after border moulding
To prevent distortion of the impression
To preserve the height of the sulcus in the cast
All of the above

The relationship of the denture base that resists dislodgement of denture in the horizontal direction is

Stability
Pressure
Support
1, 2 and 3
Retention

Which of the following is a primary stress bearing area in mandibular edentulous ridge?

Buccal shelf
Crest of the ridge
Retromolar pad
Slope of edentulous ridge
Anterior lingual border

Which of the following is/are best criterion for teeth selection?

Past photographs
Pre-extraction records
Only 1 and 2
Study model
Radiograph

Which of the following statements is false about closest speaking space?

Closest speaking space was suggested by Silverman.
Closest speaking space measures the vertical dimension when the mandible and muscles are involved in function of speech.
Closest speaking space measures the vertical dimension when the muscles and mandible are in rest position.
Closest speaking space in normal jaw relations is approximately 1.5 to 3 mm.
Closest speaking space increases when there is small vertical dimension.

All of the following landmarks are included while making a post dam for maxillary arch except

Pterygomaxillary notch
Hamular process
Fovea palatina
Option1, 2 and 3 are correct
Vibrating line

Which of the following rules explains about the grinding of certain cusps to produce balance in lateral movements?

Ante's rule
Bull rule
Wolf's rule
SLOB rule
All of the above

Which of the following articulator use(s) the Arcon principle?

Hanau model H2
Hanau university series
Dentatus
Gysi trubite
All of the above

Which of the following areas of the oral cavity are affected by inflammatory papillary hyperplasia?

Lips
Tongue
Only 1 and 2
Palate
Gingiva

Which of the following statement is correct about tissue conditioning materials?

Tissue conditioning materials are elastomers.
Tissue conditioning materials are elastopolymers.
Tissue conditioning materials are polymers.
Tissue conditioning materials are impression plaster.
Tissue conditioning materials are impression compound.

Which of the following is the incorrect statement regarding the porosity in acrylic dentures?

Gaseous porosity is seen in thicker portions due to volatilisation of the monomer.
Pressure porosity is seen as diffuse and is due to inadequate pressure during flasking.
Acrylic dentures are generally porous.
Option1, 2 and 3 are correct statement regarding the porosity in acrylic dentures.
Acrylic dentures are generally non-porous.

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