Oral Anatomy Quiz 2
1 / 50
In normal occlusion , with which grooves / surface of the permanent mandibular first molar does the mesiobuccal cusp of the permanent maxillary first molar occlude______________?
2 / 50
What is the thickness of the layer of primsless enamel found in primary teeth_____________?
3 / 50
Transverse ridge is prominent on occlusal surface of which of the following decidous teeth ?
4 / 50
Tritubercular cusps are_______________?
5 / 50
Longest tooth of the maxillary arch is_____________?
6 / 50
When viewed occlusally, a primary mandibular second molar closely resembles which of the following mandibular teeth ?
7 / 50
Facial occlusal line in the maxillary arch is formed by_______________?
8 / 50
Tooth with most variable occlusal anatomy________________?
9 / 50
No. of cusps in mandibular 1st molar_____________?
10 / 50
Palatogingival groove is found in______________?
11 / 50
Which of the following premolars has a mesial marginal ridge more cervical than the distal marginal ridge________________?
12 / 50
The root completion of permanent teeth is achieved after __________ years o eruption?
13 / 50
Articular disc of tmj receives insertion from which muscle______________?
14 / 50
Desmodont is another name for_____________?
15 / 50
Which of the following is not a structural element of the temporomandibular joint ?
16 / 50
The permanent mandibular second molar differs from the permanent mandibular first molar in number of ______________?
17 / 50
If a mandibular canine has bifurcated roots, they are most commonly placed_______________?
18 / 50
Calcification of all teeth except last molars are completed by____________?
19 / 50
An 8 ? yr old child comes to your clinic with large front teeth having jagged margins, what is the treatment plan for this patient ?
20 / 50
The most constant and valuable trait to differentiate among maxillary first, second and third molars i____________?
21 / 50
How many roots does a primary maxillary first molar have ___________?
22 / 50
Which statement is correct about decidous dentition?
23 / 50
On which of the following permanent teeth is it most difficult to distinguish between mesial and distal aspects ?
24 / 50
Articular disc of TMJ is__________?
25 / 50
Posterior embrasures are generally larger on the lingual than on the facial, with the contact area within the facial moiety, except between maxillary_______________?
26 / 50
Mesiolingual grooves may be found on which of the following permanent teeth ______________?
27 / 50
Curve passing through the buccal and lingual cusp tips of the mandibular buccal teeth is______________?
28 / 50
The premolar alveoli are what shape in cross section_____________?
29 / 50
A child has 12 permanent and 12 decidous teeth, what is his age____________?
30 / 50
All of the following muscles are elevators of the mandible except______________?
31 / 50
In the triangle formed by the projection of the orifices of the canals of a maxillary molar, the_________________?
32 / 50
With respect to their permanent successors the sum of the mesidodistal diameters of the first and second decidous molar is generally ____________?
33 / 50
Which of the following is true for permanent teeth________________?
34 / 50
Which of the following muscle helps in depressing the mandible ___________?
35 / 50
Which of the following permanent teeth is usually bilaterally symmetric when viewed labially and incissaly ______________?
36 / 50
The biting forces at molar region during mastication is_______________?
37 / 50
Thinnest labial plate is found in the region of____________?
38 / 50
Largest cusp in permanent mandibular first molar is__________________?
39 / 50
Mandibular second premolar 3- cusp type id developed from_______________?
40 / 50
The widest incisal embrasure is normally found between which of the following permanent maxillary teeth _____________?
41 / 50
Roots of primary and secondary teeth are different in that the primary roots are more divergent and flaring. The other difference _____________?
42 / 50
Dentition of humans is_______________?
43 / 50
Cusp of carbelli is present on ________ surface of the permanent maxillary molar ?
44 / 50
The shortest root on a maxillary first molar is_____________?
45 / 50
Which of these teeth are highly sturdy and usually the last ones to be lost ?
46 / 50
In which of the tooth is the mesiodistal measurements is greater lingually than facially________________?
47 / 50
The usual order of appearance of the primary teeth in the mouth is____________?
48 / 50
Mesial concavity making the prognosis poor for a furcation involvement is present in_____________?
49 / 50
Resorption of root of primary incisors starts at_____________?
50 / 50
Calcification of roots of decidous teeth is completed by_____________?
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