Dental Occlusion Test

2 votes, 5 avg

113

You will have 60 minutes to complete all the questions. After the timer reaches 60 minutes, the exam will end and be saved automatically. Good luck! *Fingers crossed*

The timer has been reached. The exam has now been terminated and saved.

1 / 60

What is A? :

a. Mandibular fossa

b. The articular eminence

c. The articular capsule

d. Mandibular condyle

2 / 60

Which one is INCORRECT statement of Masseter muscle? :

a. All of above

b. Action: protection and mouth opening.

c. Is the strongest muscle in our bodies

d. Origin Maxillary process of Zygomatic bone and anterior 2/3 of the Zygomatic process of the maxilla

3 / 60

In occlusion the teeth have:

a. Edge to edge contact

b. Cusp to cusp contact

c. Marginal contact

d. Surface to surface contact

4 / 60

What is the classification of occlusion (based on mandibular position)?:

a. Centric occlusion and centric relation

b. Centric relation

c. Centric occlusion

d. Centric and Ecentric occlusion

5 / 60

In an ideal occlusion buccal cusps of maxillary teeth, occlude with:

a. Occlusal pits and fissures of mandibular teeth

b. Lingual cusps of mandibular teeth

c. Fossa and ridges

d. Grooves and embrasures

6 / 60

An articular disc separate the articular surfaces so 2 :

a. 2 cavities are present

b. 3 cavities are present

c. 5 cavities are present

d. 4 cavities are present

7 / 60

When doing anterior protrusion :

a. Stylomandibular ligament

b. Sphenomandibular ligament

c. Lateral ligament

d. Capsul

8 / 60

The key to occlusion is:

a. Maxillary permanent first molar

b. Maxillary primary first molar

c. Maxillary primary second molar

d. Maxillary permanent second molar

9 / 60

What does the muscle A in the picture called?:

a. Posterior digastric

b. Masseter muscle

c. Temporalis muscle

d. Suprayoid muscle

10 / 60

Occlusal disease is the deformation or disturbances of function of any structure with in the masticatory
system that are in disequilibrium with a harmonious interrelationship between:

a. TMJs, Masticatory muscle, and occluding surface of the teeth

b. TMJs, periodontium and alveolar bone

c. TMJs, Masticatory muscle, and periodontium

d. TMJs, Masticatory muscle, and alveolar bone

11 / 60

Group function occlusion is common in_____________?

a. 15 -25 years

b. 10–14years

c. Edentulous patients

d. Above 30 years

12 / 60

តើកម្លាំងឆ្លើយតបស្ថិតនៅទីណា?

a. នៅលើសាច់ដុំទំពារ

b. នៅលើឆ្អឹងថ្គាមក្រោម

c. នៅលើសន្លាក់ឆ្អឹងថ្គាម

d. នៅលើឆ្អឹងថ្គាមលើ

13 / 60

In the intercuspal position, the lingual cusp of maxillary 2nd premolar contacts the______________?

a. Mesial fossa of mandibular 1st molar

b. Distal marginal ridge of mandibular 1st premolar

c. Distal fossa of mandibular 2ndpremolar

d. Distal marginal ridge of mandibular 2ndmolar

14 / 60

តើលក្ខណៈសម្គាល់នៃវិចទ័រមានប៉ុន្មានយ៉ាង?

a. ៤ យ៉ាង

b. ៣ យ៉ាង

c. ៥ យ៉ាង

d. ២ យ៉ាង

15 / 60

One noticeable characteristic of Attrition that present on enamel surface is:

a. Sharp edge of enamel

b. Smooth edge of enamel

c. Smooth edge of dentin

d. Sharp edge of dentin

16 / 60

តើ Hinge axis ជាបន្ទាត់យ៉ាងដូចម្ដេច?

a. ផ្ទៃខាងលើនៃរន្ធត្រចៀកឬាំងពី

b. កាត់តាមចំណុចកណ្ដាលនៃ Condyle ទាំងពីរ

c. Ala នៃច្រមុះ

d. Tragus ទាំងពីរ

17 / 60

Facial occlusal line in the maxillary arch is formed by:

a. Stamp cusps

b. Non-supporting cusps

c. Centric holding cusps

d. Supporting cusps

18 / 60

The Chewing cycle consists of 3 phase in order:

a. Opening, closing, and occlusal or intercuspal phase

b. Occlusal or intercuspal, opening, and close

c. All of above

d. Opening, occlusal, and intercuspal phase

19 / 60

តើមាន Maxillaire ប៉ុន្មានដែលទ្រក្រាសធ្មេញ?

a. ១

b. ២

c. ៤

d. ៣

20 / 60

There are 4 types of muscle are the parts of Suprahyoid muscle:

a. Stylohyoid, Omohyoid, Digastric and Masseter

b. Genohyoid, Omohyoid, Stylohyoid and Digastric

c. Mylohyois, Genoihyoid, Stylohyoid and Digastric

d. Mylohyoid, Genoihyoid, Omohyoid and Digastric

21 / 60

តើនៅក្នុងសកម្មភាពធម្មតារបស់ក្រាសធ្មេញដែលពេញល្អវាមានលំនឹងរវាងកម្លាំងប៉ុន្មាន?

a. ១

b. ៤

c. ៣

d. ២

22 / 60

Name of the line in the picture below :

a. Curve of spee

b. Non-centric cusp

c. Curve of Wilson

d. Functional cusp

23 / 60

Name of the line in the picture below :

a. Curve of spee

b. Curve of Wilson

c. Functional cusp

d. Non-centric cusp

24 / 60

តើ Muscles elévateur ជាសាច់ដុំដែលមានមុខងារដូចម្ដេច?

a. រុញចង្គោមទៅមុខ

b. លើកថ្គាមក្រោមឡើង

c. ទំលាក់ថ្គាមចុះក្រោម

d. រុញចង្គោមទៅក្រោយ

25 / 60

តើ Coefficients នៃធ្មេញថ្គាមផុតក្រោមមានប៉ុន្មាន?

a. ៦

b. ៤-៦

c. ៤

d. ៣

26 / 60

The very best, most naturally beautiful esthetics does not require guesswork if :

a. the relationship between anatomic harmony and functional harmony is understood

b. the relationship between anatomic harmony and functional harmony is not understood

c. the relationship between materials of choice is understood

d. patient’s satisfaction is well understood

27 / 60

What was the “Physical injury” called?

a. Microtrauma

b. Macrotrauma

c. Microorganism

d. Trauma

28 / 60

3 point from Goal of complete dentistry :

a. Stable TMJs, Stable occlusion, and Comfort of function

b. Stable TMJs, No pain, and Comfort of function

c. Stable occlusion, No pain and Stable TMJs

d. Stable TMJs, Stable occlusion, and occlusion class II

29 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Prémolaire ប៉ុន្មាន?

a. ២-៤

b. ៣-៤

c. ៤-៥

d. ៣-៥

30 / 60

តើតាមលោក Duchange Coefficient នៃធ្មេញលេខ ៣៦ ប៉ុន្មាន?

a. ២

b. ៤

c. ៦

d. ៣

31 / 60

In normal occlusion, with which groove / surface of the permanent mandibular first molar does the mesiobuccal cusp of the permanent maxillary first molar occlude:?

a. Mesiobuccal surface

b. Mesial Surface

c. Transverse groove

d. Distobuccal groove

32 / 60

Elevation movement of mandible caused by :

a. Posterior fiber of temporal, deep part of masseter, genoihyoid and digastric

b. Lateral Pterygoid and Masseter

c. Lateral pterygoid assisted by Medial pterygoid

d. Temporalis, masseter, medial pterygoid

33 / 60

The 4 main Muscle of Mastication muscles are:

a. Masseter, Temporalis, Sphenomadibular and Posterior digastric

b. Masseter, Temporalis, Medial pterigoid and Lateral pterigoid

c. Masseter, Temporalis, Medial pterigoid and Sphenomandibular

d. Temporalis, Medial pterigoid, Lateral pterigoid and Hyoid

34 / 60

Any Condition that prevents thorough cleaning of any tooth surface or portion of the sulcus should be
consider as a :

a. Causative factor

b. Microtrauma

c. Contributive factor

d. Microorganism

35 / 60

Protrusion movement of Mandible caused by :

a. Temporalis and Masseter

b. Temporalis

c. Lateral pterygoid assisted by Medial pterygoid

d. Masseter

36 / 60

The two cavities present when separate articular disc are:

a. Upper compartment between the disc and condyle, lower compartment between the disc and temporalis bone

b. Upper compartment between the disc and temporalis bone, lower compartment between the condyle and the disc

c. Upper compartment between the disc and zygomatic bone, lower compartment between disc and condyle

d. Upper compartment between the disc and temporalis bone, lower compartment between the disc and hyoid bone

37 / 60

In an ideal occlustion buccal cusps of maxillary teeth, occlude with______________?

a. Fossa and rdges

b. Lingual cusps of mandibular teeth

c. Occlusal pits and fissures of mandibular teeth

d. Grooves and embrasures

38 / 60

តើមួយណាជារូបមន្ដនៃច្បាប់ញូតុនទី២?

a. F=μ÷d

b. F=w÷d

c. F=m×a

d. F=m×g

39 / 60

ក្រាសធ្មេញ និង មាត់មានសារះប្រយោជន៍ប៉ុន្មានយ៉ាងធំៗ?

a. ៣ យ៉ាង

b. ៦ យ៉ាង

c. ៥ យ៉ាង

d. ២ យ៉ាង

40 / 60

The use of long–term retainers to maintain post–orthodontic tooth alignment could be dramatically reduced
if :

a. it is a good retainer

b. Tooth in perfect alignment

c. Perfect ligament and good retainer

d. Occlusal principles were better understood

41 / 60

Malocclusion is defined:

a. as the periodentium of the teeth

b. as the misaligament of the teeth and jaws or more simply

c. as the ligament of the teeth and jaws

d. as the misaligament of the teeth

42 / 60

The INCORRECT statement of Maxillary fist molar:

a. Lingual functional cus

b. Has 2 root

c. Eruption at the age of 6 years old

d. Tubercal Galabelly

43 / 60

At the age of nine years, the mandibular permanent first molar has its distal contact with which of the following teeth?

a. None

b. Second premolar

c. Deciduous 2nd molar

d. First premolar

44 / 60

តើ Plan horizontal ពុះសារពាង្គកាយយ៉ាងដូចម្ដេច?

a. ជាចំណែកមុខ និង ក្រោយ

b. ពីលើចុះក្រោម

c. ជាចំណែកឆ្វេង និង ស្ដាំ

d. ជាចំណែកលើ និង ក្រោម

45 / 60

Depression movement of mandible caused by :

a. Gravity, digastric, geniohyoid and mylohyoid muscle

b. Lateral pterygoid assisted by Medial pterygoid

c. Posterior fiber of temporal, deep part of masseter, genoihyoid and digastric

d. Deep part of masseter and Digastric

46 / 60

Which is incorrect about 4 component of Mandibular articulation? :

a. The Articular disc

b. The answer is mandibular condyle and The Articular disc

c. Mandibular Condyle

d. Coronoid process of mandible

47 / 60

If a permanent first molar is lost, the permanent second molar drifts to the:

a. Buccal side

b. Distal side

c. Lingual side

d. Mesial side

48 / 60

តើចលនានៃការទំពារជាអ្វី?

a. ជាសកម្មភាពរបស់ថ្គាមក្រោម

b. ជាសកម្មភាពដែលឆ្លើយតបទៅនឹងកម្លាំងទំពារ

c. ជាសកម្មភាពរបស់សាច់ដុំ

d. ជាសកម្មភាពនៃក្រាសធ្មេញ

49 / 60

The maxillary teeth which have single antagonist are:

a. Third molars

b. Lateral incisors

c. Permanent canines

d. Permanent central incisors

50 / 60

តើសាច់ដុំអ្វីដែលធ្វើអោយមាត់បើក?

a. Elevateur

b. genio – hyoidien

c. pterygoidien

d. Diduteur

51 / 60

Cracks, fractures, and excessive wear on restorations are all signs of:

a. Non stable occlusion

b. Occlusal Disharmony

c. Stabile occlusion

d. Occlusal interferences

52 / 60

តើ Plan sagittal មានស្ថានភាពដូចម្ដេច?

a. ចំកណ្ដាលពីមុខទៅក្រោយ

b. ជាចំណែកមុខ និង ក្រោយ

c. ពីឆ្វេងទៅស្ដាំ

d. ជាចំណែកលើ និង ក្រោម

53 / 60

What is A?

a. Mandibular condyle

b. The articular capsule

c. Mandibular fossa

d. The articular eminence

54 / 60

The Non-functional cusps of Upper Posterior teeth located at :

a. Distal area

b. Mesial area

c. Buccal cusp

d. Lingual area

55 / 60

Facial occlusal line in the maxillary arch is formed by_______________?

a. Stamp cusps

b. Centric holding cusps

c. Supporting cusps

d. Non- supporting cusps

56 / 60

The key to occlusion is_______________?

a. Maxillary permanent second molar

b. Maxillary permanent first molar

c. Maxillary primary second molar

d. Maxillary primary first molar

57 / 60

Anatomical part concerned with mandibular articulation :

a. the articular capsule

b. Mandibular

c. All of above

d. mandibular fossa and articular eminence

58 / 60

តើកម្លាំង physio mécanique ជាកម្លាំងយ៉ាងដូចម្ដេច?

a. ជាកម្លាំងឆ្លើយតប នឹង កម្លាំងពិតមាននៅក្នុងថ្គាមលើ

b. ជាកម្លាំងដែលមាននៅលើ Ligament

c. ជាកម្លាំងពិតប្រាកថដែលមាននៅក្នុងឆ្អឹងថ្គាមក្រោម

d. ជាកម្លាំងដែលមាននៅក្នុងសន្លាក់ឆ្អឹងថ្គាម

59 / 60

When the conlyle-disk assemblies at most superior anterior portion as in the picture is defined as

a. Centric Contact

b. Centric occlusion

c. Centric relation

d. Centric point

60 / 60

តើក្រាសធ្មេញ និង មាត់មានតួនាទីដូចម្ដេច?

a. ការពារសិរីរាង្គ

b. ទទួលចិញ្ចឹមសរីរាង្គទាំងមូល

c. គ្រប់គ្រងចលនាសិរីរាង្គ

d. បង្កើតជាលិកា

Your score is

The average score is 86%

Any comments?

Any problems/errors or mistakes found while testing, please let us know for modification!

និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត