Dental Occlusion Test

2 votes, 5 avg

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*

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1 / 60

The stress of microtrauma might cause :

a. Tooth mobility and dental caries

b. Periodental tissue break down and pocket formation

c. Tooth creak and plaque formation

d. Dental caries and Tooth creak

2 / 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

3 / 60

Erosion is tooth surface loss due:

a. to chemical or electrochemical action. It can be endogenous or exogenous.

b. tooth-to-tooth friction

c. missed handling of tooth brushing

d. to chemical or electrochemical action. It can be only endogenous.

4 / 60

តើ Hinge axis ជាបន្ទាត់យ៉ាងដូចម្ដេច?

a. Ala នៃច្រមុះ

b. កាត់តាមចំណុចកណ្ដាលនៃ Condyle ទាំងពីរ

c. ផ្ទៃខាងលើនៃរន្ធត្រចៀកឬាំងពី

d. Tragus ទាំងពីរ

5 / 60

What is A? :

a. Mandibular condyle

b. Mandibular fossa

c. The articular disc

d. The articular capsule

6 / 60

តើលក្ខណៈសម្គាល់នៃវិចទ័រមានប៉ុន្មានយ៉ាង?

a. ៤ យ៉ាង

b. ២ យ៉ាង

c. ៥ យ៉ាង

d. ៣ យ៉ាង

7 / 60

តើ Coeficients នៃថ្គាមតូចទីពីរមានប៉ុន្មាន?

a. ៤

b. ៤-៦

c. ៣

d. ៦

8 / 60

តើមួយណាជារូបមន្ដនៃច្បាប់ញូតុនទី២?

a. F=m×a

b. F=w÷d

c. F=m×g

d. F=μ÷d

9 / 60

Group function occlusion is common in_____________?

a. 10–14years

b. Above 30 years

c. 15 -25 years

d. Edentulous patients

10 / 60

តើ Luxations Temporo-mandibulaire មានផលលំបាកអ្វី?

a. ការចុករោយ ក្នុងសន្លាក់ឆ្អឹងថ្គាម

b. ការឈឺចាប់ នៅក្នុងក្រាសធ្មេញក្រោម

c. ការចុករោយ សាច់ដុំ Temporal

d. ការឈឺចាប់ក្នុងក្រាសធ្មេញលើ

11 / 60

Types of Cusps:

a. None of all

b. Non-centric cusp

c. Functional cusp

d. Functional cusp and Non-centric cusp

12 / 60

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

a. Deciduous 2nd molar

b. Second premolar

c. First premolar

d. None

13 / 60

A common cause of hypersensitivity is occlusal overload especially on a vital tooth that can be :

a. Chronic pulpitist

b. Pulpal hyperemia or tooth creak

c. None of all

d. Pulp cavity disease

14 / 60

តើលោក Akerman អោយ Confficient Incisive ប៉ុន្មាន?

a. ៣

b. ១

c. ២

d. ៤

15 / 60

Muscles Abaisseurs គឺជាសាច់ដុំ:

a. លើកថ្គាមក្រោមឡើងលើ

b. រុញចង្កោមទៅមុខ

c. ទំលាក់ថ្គាមចុះក្រោម

d. រុញចង្គោមទៅក្រោយ

16 / 60

The #1 factor associated with discomfort within masticatory system structures. This includes
pain/discomfort in the musculature, the teeth, and the region of the temporomandibular joints (TMJs). :

a. Occlusal disease

b. Temporomandibular disorder (TMD)

c. Muscle pain

d. Articular pain

17 / 60

តើ Muscles Abaisseurs ជា Muscles អ្វី?

a. Masseter

b. pterygoidien intern

c. Masticateur

d. temporal

18 / 60

Centric occlusion happened when :

a. the jaw joint in a adapt centric relation

b. the jaw joint in a centric relation (CR)

c. Canine guided

d. All above

19 / 60

What does the muscle A in the picture called?:

a. Masseter

b. Lateral Pterigoid

c. Spenomandibular

d. Temporalis

20 / 60

តើអ្វីទៅជា Plan d’occlusion?

a. ជា Plan Horizontal

b. ជាប្លង់កាត់តាម Lingne median

c. ជាប្លង់កាត់តាម Bords Libres និង បណ្ដា កំពូល Cuspides នៃធ្មេញលើ

d. ជា Plan Vestical

21 / 60

តើ Plan sagittal មួយចែកសារពាង្គកាយយ៉ាងដូចម្ដេច?

a. ចំណែកលើ និង ក្រោម

b. ចំណែកឆ្វេង និង ស្ដាំ

c. ចំណែកមុខ និង ក្រោយ

d. ៣ចំណែកស្មើគ្នា

22 / 60

តើប្រដាប់ទំពារមានប៉ុន្មានផ្នែកសំខាន់ៗ?

a. ៣

b. ៤

c. ២

d. ៥

23 / 60

តើនៅក្នុងសកម្មភាពធម្មតារបស់ក្រាសធ្មេញដែលពេញល្អវាមានលំនឹងរវាងកម្លាំងប៉ុន្មាន?

a. ២

b. ១

c. ៣

d. ៤

24 / 60

តើ Muscles Elevateurs មានមុខងារអ្វី?

a. ធ្វើអោយមាត់ស្ថិតក្នុងសភាពធម្មតា

b. ធ្វើអោយមាត់វៀច

c. ធ្វើអោយមាត់ហារ

d. ធ្វើអោយមាត់បិទ

25 / 60

Attrition is wear due to:

a. tooth-to-tooth friction

b. missed handling of tooth brushing.

c. Chemical erosion

d. Occlusal function

26 / 60

Which one is INCORRECT statement about function of mastication muscles?:

a. To secure stabilize the mandibular positions.

b. To determine the direction of maxillary movement

c. None all of

d. To move the mandible

27 / 60

Which is incorrect about 4 component of Mandibular articulation? :

a. The Articular disc

b. Coronoid process of mandible

c. The answer is mandibular condyle and The Articular disc

d. Mandibular Condyle

28 / 60

An articular disc separate the articular surfaces so 2 :

a. 4 cavities are present

b. 3 cavities are present

c. 5 cavities are present

d. 2 cavities are present

29 / 60

The role of Non-functional cusps is :

a. guiding cusp

b. food sharing

c. All above

d. protection from check biting

30 / 60

តើ Coefficients នៃធ្មេញថ្គាមផុតក្រោមមានប៉ុន្មាន?

a. ៤-៦

b. ៣

c. ៤

d. ៦

31 / 60

The masticatory system, a functional unit of the body is primarily responsible for:

a. ewing, closing and speaking

b. Chewing, opening and swallowing

c. Chewing, speaking and swallowing

d. Speaking, swallowing and opening

32 / 60

តើមាន Maxillaire ប៉ុន្មានដែលទ្រក្រាសធ្មេញ?

a. ២

b. ៤

c. ៣

d. ១

33 / 60

There are good reasons why general practitioners should learn principles of occlusal harmony for :

a. Predictable diagnosis, patient uncomforted, restorative longevity, occlusal stability and non-accurate treatment plant.

b. Predictable diagnosis, patient comfort, restoration longevity, occlusal stability, and non-accurate treatment plant.

c. Predictable diagnosis, patient uncomforted, restoration longevity, occlusal stability, and accurate treatment plant.

d. Predictable diagnosis, patient comfort, restoration longevity, occlusal stability, and accurate treatment plant.

34 / 60

What are the parts of ecentric occlusion?:

a. Functional and Non-functional

b. None of all

c. Masseter

d. Centric occlusion

35 / 60

តើចលនានៃការទំពារជាអ្វី ?

a. ជាសកម្មភាពរបស់ថ្គាមក្រោម

b. ជាសកម្មភាពដែលឆ្លើយតបទៅនឹងកម្លាំងទំពារ

c. ជាសកម្មភាពរបស់សាច់ដុំ

d. ជាសកម្មភាពនៃក្រាសធ្មេញ

36 / 60

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

a. Distal marginal ridge of mandibular 1st premolar

b. Mesial fossa of mandibular 1st molar

c. Distal marginal ridge of mandibular 2ndmolar

d. Distal fossa of mandibular 2ndpremolar

37 / 60

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

a. Buccal cusp

b. Lingual area

c. Mesial area

d. Distal area

38 / 60

តើ Muscles Propulseur មានមុខងារធ្វើអ្វី?

a. ធ្វើអោយមាត់បិតជិត

b. ធ្វើអោយឆ្អឹងថ្គាមក្រោមទាញទៅក្រោយ

c. ធ្វើអោយមាត់បើក

d. ធ្វើអោយឆ្អឹងថ្គាមក្រោមរុញទៅមុខ

39 / 60

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

a. Lingual cusps of mandibular teeth

b. Occlusal pits and fissures of mandibular teeth

c. Grooves and embrasures

d. Fossa and rdges

40 / 60

តើ Plan sagittal មានស្ថានភាពដូចម្ដេច?

a. ជាចំណែកមុខ និង ក្រោយ

b. ពីឆ្វេងទៅស្ដាំ

c. ជាចំណែកលើ និង ក្រោម

d. ចំកណ្ដាលពីមុខទៅក្រោយ

41 / 60

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

a. Smooth edge of dentin

b. Sharp edge of dentin

c. Smooth edge of enamel

d. Sharp edge of enamel

42 / 60

Normal dentition in centric occlusion, opposing contact may be expected at_____________?

a. All slopes of lingual cusps of mandibular posterior teeth

b. Buccal slopes of lingual cusps of maxillary posterior teeth

c. Lingual slopes of lingual cusps of mandibular posterior teeth

d. Buccals slopes of buccal cusps of maxillary posterior teeth

43 / 60

តើលើក Akerman អោយ Confficient ចំពោះធ្មេញ Canine ប៉ុន្មាន?

a. ៣-៤

b. ៤-៥

c. ២-៤

d. ៣-៥

44 / 60

Anatomical part concerned with mandibular articulation :

a. mandibular fossa and articular eminence

b. the articular capsule

c. All of above

d. Mandibular

45 / 60

តើសាច់ដុំអ្វីដែលធ្វើអោយចង្ការរុញទៅមុខ?

a. Diduteur

b. Elevateur

c. Propulseur

d. Abaisseur

46 / 60

តើ Plan sagittal ជាប្លង់ដូចម្ដេច?

a. ដេក

b. ស្របប្លង់ Occlusion

c. ទ្រេត

d. ឈរ

47 / 60

This picture show:

a. Attrition

b. non off all above

c. Erosion

d. Abrasion

48 / 60

តើពពួកធ្មេញថ្គាមតូចនិងធំអាចទទួលរងនូវកម្លាំងពីមធ្យមទៅអតិបរិមាយ៉ាងដូចម្ដេច?

a. 40kg – 80kg

b. 40kg – 60kg

c. 30kg – 40kg

d. 20kg – 40kg

49 / 60

The INCORRECT statement of Maxillary fist molar:

a. Tubercal Galabelly

b. Lingual functional cus

c. Eruption at the age of 6 years old

d. Has 2 root

50 / 60

the point of picture below is called :

a. Centric relation

b. Ideal Centric Contact

c. Vertical dimension

d. Centri occlusion

51 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Dent de sagesse ប៉ុន្មាន?

a. ៥-៦

b. ៤-៥

c. ៣-៤

d. ២-៥

52 / 60

Teeth with combination of functional mobility and widened periodontal ligament space were found to
have:

a. Normal probing depth, more clinical attachment loss and less radiographic bone support and non-mobile teeth.

b. Deeper probing depth, no clinical attachment loss and Normal probing depth

c. Deeper probing depth, more clinical attachment loss and less radiographic bone support and non-mobile teeth.

d. Deeper probing depth, no clinical attachment loss and less radiographic bone support and non-mobile teeth

53 / 60

This picture show of unstable dental occlusion which is cause

a. Posteror interferences

b. Anterior interferences

c. Muscle

d. Orthodontic treatment

54 / 60

TMJ articulation anatomy consist of :

a. 6 main parts

b. 5 main parts

c. 3 main parts

d. 4 main parts

55 / 60

Stress from microtrauma results from:

a. All of above

b. Root canal treated tooth

c. Repeated occlusal overload

d. Accident and head injury

56 / 60

The incisal edges and the incisal thirds of facial surfaces of mandibular incisors and canines generally oppose lingual surfaces of maxillary incisor and canines:

a. Immediately incisal to cingulam

b. Within the incisal thirds

c. At the linguo cervical ridges

d. At the junction of middle and cervical thirds

57 / 60

There are 2 division of centric contact:

a. None of all above

b. Buccal and lingual

c. Anterior and posterior centric contact

d. Upper and lower

58 / 60

Retraction movement of Mandible caused by :

a. Masseter

b. Masseter

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

d. Lateral pterygoid assisted by Medial pterygoid

59 / 60

គ្រប់គ្រងចលនាសិរីរាង្គ ក្រាសធ្មេញ និង មាត់មានសារះប្រយោជន៍ប៉ុន្មានយ៉ាងធំៗ

a. ៥ យ៉ាង

b. ២ យ៉ាង

c. ៣ យ៉ាង

d. ៦ យ៉ាង

60 / 60

តើកម្លាំងឆ្លើយតបស្ថិតនៅទីណា?

a. នៅលើសាច់ដុំទំពារ

b. នៅលើឆ្អឹងថ្គាមក្រោម

c. នៅលើឆ្អឹងថ្គាមលើ

d. នៅលើសន្លាក់ឆ្អឹងថ្គាម

Your score is

The average score is 97%

Any comments?

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត