Questions Flashcards
- Occlusal face of upper PM1 shows:
a. 2 lobes, 1 right interlobar groove, 3 fossae, 2 marginal ridges
b. 2 lobes, 1 interlobar groove, 2 fossae, 1 marginal ridge
c.2 lobes, 1 straight interlobar groove, 2 ditches and 2 marginal ridges
d. 2 lobes, 1 straight interlobar groove, 1 essential ridge
e. 2 lobes, 2 ditches, 2 grooves, 2 marginal ridges
C
Select the one best answer
5. Upper PM-s roots:
a. It has the proximity the maxillary sinus
b. Are covered with enamel
c. Have a wide pulp chamber inside
d. Have the mandibular canal nearby
e. Have adjacent mental foramen
A
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7. The descending order of the maxillary cusps is:
a ML > MB > DB > DL.
b. ML > MB > DL > DB
c. MB > ML > DB > DL
d. ML. > DB > MB > DL
e. DL > DB > MB > MI.
Select the one best answer
A
Select the one best answer
9. The one premolar most likely to have two roots (and two root canals) is the
a. Maxillary first premolar.
b. Maxillary second premolar.
c. Mandibular first premolar.
d. Mandibular second premolar.
e. maxillary and mandibular premolars
A
Select the one best answer.
10. Which cusp is the largest on a mandibular second molar?
a. Mesiobuccal
b. Distobuccal
c. Mesiolingual
d. Distolingual
e. Distal
A
- Which cusp may be absent on a mandibular third molar?
a. Mesiobuccal
b. Distobuccal
c. Mesiolingual
d. Distolingual
e. Distal
E
- From which view is only one root visible on a mandibular first molar?
a. Mesial
b. Distal
c. Buccal
d. Lingual
e. Apical
A
The most frequent eruption complications occur in:
a. premolars
b. lower first molars
c. Upper 2rd molars
d. lower 3rd molars
e. 2nd lower molars
D
Lower 3rd molar -which statement is false:
a. may have a waved occlusal surface
b. may be physiologically involuted
c. has a first lower molar morphotype
d. has the largest volume of the mandibular molars
e. has lower second molar morphotype
D
Third maxillary molar - International System
a. 1.8. 2.8
b. 18, 28
c. 1.6, 2.6
d. 16, 26
e. 1.5, 2.5
A
Third mandibular molar:
а. 38, 1.7.
b. 4.8. 17
C. 48. 1.7
d. 3.8. 17.
е. 38, 17.
E
- The order of decreasing cusp size in the lower 1st molar is:
a. DB, MD, MB, ML
b. ML, DL, D, MB, DB
C. ML, D, MB, DB; DI
d. MB, ML, DL, D, DB
e. ML, DL, MB, DB, D
E
- Lower second molar shows:
a. 3 roots separated at a distance from the cervical outline
b. 4 fossae and a “cross” groove
c. 3 separate roots near the cervical outline
d. 4 separate roots at a distance from the cervical outline
e. 5 lobes and a “cross” groove
B
- Mandibular first molar shows:
a. 4 cusps on the occlusal surface
b. 6 main fossae
c. 2 discharge fossae
d. 2 roots
e. a buco-lingual groove
D
The scond mandibular molar:
a. participates in the first occlusal raising
b. participates in the second occlusal raising
c. erupts at 11 years
d. has 4 lobes on the buccal surface
e. participates in the third occlusal raising
B
- Which of the following statements is correct:
a. The mandibular M1 is flattened mesio-distally
b. MI mandibular always has a lingual face larger than the buccal face
c. M1 mandibular has additional lobes
d. Mandibular M1 is flattened buco-lingually
e. Mandibular M1 shows root morphotypes
D
Which cusp on a maxillary first molar has two internal ridges: one that forms part of a transverse ridge and the other that forms part of an oblique ridge?
a. Mesiobuccal
b. Mesiolingual
c. Distobuccal
d. Distolingual
e. Cusp of Carabelli
A
Which cusp is most likely to be absent on maxillary third molar?
a. Mesiobuccal
b. Mesiolingual
c. Distobuccal
d. Distolingual
e. Distal
E
The furcations are likely to be farthest away from the cervical portion of the tooth in which ONE of the following teeth?
a. Mandibular first molar
b. Mandibular second molar
c. Mandibular third molar
d. Maxillary first molar
e. Maxillary second molar
E
Maxillary second molars are most likely to have
a. Two, two
b. Two, three
c. Two, four
d. Three, three
e. Three, four
B
- The maxillary second molar erupts:
a. 12 y
b. 11 y
c. 13 y
d. 14 y
e. 10 y
C
Bucal aspect of maxillary second molar enroll in a :
a. Cube
b. Trapeze
c. Triangle
d. Circle
e. Sphere
B
Select the one best answer.
25. Which cusp is the largest on a maxillary second molar?
a. Mesiobuccal
b. Mesiolingual
c. Distobuccal
d. Distolingual
e. Cusp of Carabelli
B
- Maxillary anterior teeth are most likely to have how many root canals?
a. One
b. Two
c. Three
d. One or two
e. three
A
Select the one best answer.
13. Occlusal perimeter.
a. It consists of sagittal ridges and mesio-distal ridges
b. It consists of sagittal ridges and essential ridges
c. It is located at the level of the vestibular face
d. It consists of occlusal ridges and marginal ridges
e. It consists of occlusal ridges and marginal fossae
D
How many roots does the maxillary first molar have?
- a) 1
- b) 2
- c) 3
- d) 4
3
