APPG 2013 MDSET Exam Question Paper and Answer Key – Q. 1 to Q. 25

Following are the questions framed in the APPG 2013 MDS Entrance test in Andhra Pradesh, by the NTR University of Health Sciences. Check out the below links for the various parts:

• APPG 2013 MDSET Question Paper & Key – Part 1
• APPG 2013 MDSET Question Paper & Key – Part 2
• APPG 2013 MDSET Question Paper & Key – Part 3
• APPG 2013 MDSET Question Paper & Key – Part 4

NOTE: Not all the answers are perfectly answered, and there could be mistakes. Do let me know in the comments if you feel any answer is given wrong. Please do not copy the questions and answers without permission and linking.

1. The purpose of relieving mid-palatine area in complete dentures is to prevent

1. Pressure on palate
2. Midline fractures in dentures
3. Incorrect centric relation
4. Resorption of bone

Ans: 1. Pressure on palate as the relieving is done to remove all the pressure on the mid-palate area.

2. While selecting a post and core system preferably the post should be

1. tapered
2. parallel
3. threaded
4. non threaded

Ans: The best one preferred is parallel and threaded one, but not sure which one is most preferable in both.

3. When preparing a 3/4th crown on maxillary incisor tooth the proximal grooves should generally be parallel to the

1. Long axis of the tooth
2. Gingival 2/3 of the labial surface
3. Incisal 2/3 of the labial surface
4. Short axis of the tooth

Ans: Incisal 2/3 of the labial surface

4. The type of pontic most commonly used in the posterior maxillary area is the

1. saddle
2. sanitary
3. modified ridge lap
4. spheroidal

Ans: –

5. A reline for a complete denture is contraindicated when

1. there is resorption of the ridge
2. the denture contains a broken tooth
3. centric occlusion and centric relation do not coincide
4. there is excessive overclosure of the vertical dimension

Ans: 4

6. Microfracture occurring in the cervical area of a tooth under flexural load is

1. abrasion
2. attrition
3. abfraction
4. erosion

Ans: 3

7. The access cavity for mandibular first molar typically is

1. Trapezoid
2. Triangular
3. Oval
4. Round

Ans: 1

8. Pain, temperature, touch from pulp are carried by which one of the following type nerve fibers?

1. A alpha
2. A beta
3. A delta
4. C fibres

Ans: 3

9. Setting time of Mineral Trioxide Aggregate (MTA) is

1. 2-5 minutes
2. 5-8 minutes
3. 1 hour, 45 minutes
4. > 2 to 3 hour

Ans: 4

10. Which one of the following is the first translucent filling material produced by Fletcher ?

1. Silicate cement
2. Glass ionomer cement
3. Hybrid filled resin
4. composite resin

Ans: 1

11. The most recent direct filling gold which produces the hardest surface on condensation is

1. Mat gold
2. Encapsulated powered gold
3. Mat gold alloyed with calcium and wrapped in gold foil
4. Platinized gold

Ans: 3

12. For photo initiated resin system, the optimum depth of cure is obtained with emitting orifice held

1. with in 4 mm of resin surface
2. slightly touching resin surface
3. within 1 mm of resin surface
4. within 3 mm of resin surface

Ans: 3

13. All of the following statements are true for composite resin, EXCEPT

1. Improved dimensional stability
2. Decreased thermal coefficient of expansion
3. High resistant to abrasion
4. There is less marginal leakage

Ans: 2

14. Whenever tooth structure is cut with burr residual organic and inorganic components form the

1. beilby layer
2. hybrid layer
3. smear layer
4. rubbish layer

Ans: 3

15. Recommended working speed for “Light Speed Instrument” is

1. 5000 – 10000 rpm
2. 1000 – 2000 rpm
3. 550 – 650 rpm
4. 150 – 250 rpm

Ans: 2

16. Ideally a malocclusion should be treated between the age of

1. 5 and 8 years
2. 8 and 10 years
3. 10 to 12 years
4. the age at which a malocclusion is treated depends on the problem involved

Ans: Could be 2 or 4

17. All are advantages of removable space maintainers EXCEPT

1. Easy to clean
2. Permit maintenance of proper oral hygiene
3. They maintain vertical dimension
4. Band construction is necessary

Ans: 4

18. Circumferential supra-crestal fibrotomy is other name for

1. Pericision
2. Rotation
3. Tipping movement
4. Resorption

Ans: 1

19. Gonion, menton and pogonion are cephalometric landmarks located on the

1. midline
2. mandible
3. body chin
4. skeletal profile

Ans: 2

20. The growth curve for mandibular growth closely follows the growth curve of

1. Lymphoid tissues
2. Neural tissues
3. General body tissues
4. Genital tissues

Ans: 3

21. Ideally, functional appliance to treat the mandibular deficiency of skeletal Class II in case of girls should be given during

1. deciduous dentition
2. early mixed dentition
3. late mixed dentition
4. permanent dentition

Ans: Could be 3

22. Preventive and interceptive orthodontics is no longer viable after eruption of

1. Permanent second molars
2. primary second molars
3. permanent first molar
4. permanent lateral incisors

Ans: 1

23. A boy of chronological age 9 years is 125 cm in height, Mean height for this age is 133.71 cm with a standard deviation of 5.49 cm. The skeletal age is assessed as 8 years. The boy may be regarded as

1. Somewhat physically retarded with the potential to catch up
2. Severely physically retarded with little potential to catch up
3. At the right level
4. Destined to be a short-statured individual

Ans 1

24. An ankylosis primary molar may result in all of the following EXCEPT

1. Loss of arch length
2. Serious problem of extraction
3. Delayed eruption of succadenous tooth
4. Failure of calcification of permanent successor

Ans: 4

25. If a child’s teeth do not form, this would primarily affect the growth of the

1. alveolar bone
2. whole face
3. mandible
4. maxilla

Ans: Could be 1 or 2