MDS PREP
Incisal guidance is
1. Determination by the dentist and is the equivalent of the overjet and overbite
2. Determination by the dentist and is not related to the overjet and overbite
3. Both of the above
4. None of the above
Prosthodontics
Answer: 1
Pulp stones are found in.................% of pupulation
1. 20
2. 30
3. 40
4. 60
Endodontics
Answer: 4
A 60 year old patient reports for the ex traction of a diseased maxillary right second molar which was the only tooth in that quadrant and was serving as an abutment. Care must be taken when extracting this tooth, to prevent
1. displacement of the palatal root into the
maxillary sinus
2. fracture and removal of the floor of the
maxillary sinus along with the tooth
3. alveolar osteitis
4. displacement of the tooth into the mas
seteric space
Oral Surgery
Answer: 2
What is the histologic change in muscles in myasthenia gravis?
1) Gradual disappearance of muscle fibers
2) Widespread degeneration and hyalinization of muscle fibers
3) Hypertrophy of all muscle fibers
4) No demonstrable changes in muscles
Oral Pathology
Answer: 4
Disadvantage of the use of laminated arch wire is
1) Lack of stability
2) Fracture
3) Abruptness in response to adjustment
4) Difficult to handle clinically
Orthodontics
Answer: 3
Severe pain does not occur in
1. cervicofacial emphysema
2. uveoparotid fever
3. ameloblastic fibrorna
4. oral lesions of tularemia
Oral Medicine
Answer: 2
Which of the following is the most likely to turn malignant?
1) Intradermal nevus
2) Junctional nevus
3) Lichen planus
4) Papilloma
Oral Pathology
Answer: 2
What is the primary site of vitamin B12 absorption in the intestine?
1) Stomach
2) Duodenum
3) Jejunum
4) Ileum
Physiology
Answer: 4
The ileum is the primary site of vitamin B12 absorption, facilitated by intrinsic factor binding to specific receptors.