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*

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

1 / 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. patient’s satisfaction is well understood

c. the relationship between materials of choice is understood

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

2 / 60

When Canine guided:

a. All tooth is touching

b. None off all above

c. Posterior tooth is touching

d. Only canine is touching

3 / 60

Distobuccal cusp of 27 falls into:

a. Mesial pit of 37

b. None of the above

c. Embrasure of 37 & 38

d. Embrasure of 36 & 37

4 / 60

តើគម្លាតរវាងធ្មេញមុខលើ និង ក្រោមហៅថា Espaceliber មានប្រវែងប៉ុន្មាន?

a. 1-2mm

b. 3-5mm

c. 2-3mm

d. 3-4mm

5 / 60

When a molar has no opposing tooth, it can become:?

a. Retruded

b. Extruded

c. Protruded

d. Intruded

6 / 60

តើមុខមាត់ដែល Hysmetrique មានសភាពយ៉ាងដូចម្ដេច?

a. សាច់ដុំគូ មានកម្លាំងស្មើគ្នា

b. សាច់ដុំគូ មានកម្លាំងស្របគ្នា

c. សាច់ដុំគូ មានកម្លាំងប្រហាក់ប្រហែល

d. សាច់ដុំគូ មានកម្លាំងមិនស្មើគ្នា

7 / 60

In centric occlusion, the cusp tip of the maxillary canine is in alignment with which mandibular tooth_____________?

a. Facial embrasure of canine and premolar

b. Mesial ridge on the facial cusp of mandibular first premolar

c. Incisal embrasure of canine and premolar

d. Distal ridge of the cusp of mandibular canine

8 / 60

What is symptom?:

a. Symptom can’t defined as one of the characters of disease.

b. Symptom is what a doctor see.

c. Symptom is what a patient experience

d. Symptom is what a patient see.

9 / 60

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

a. Smooth edge of dentin

b. Smooth edge of enamel

c. Sharp edge of dentin

d. Sharp edge of enamel

10 / 60

The maxillary teeth which have single antagonist are__________?

a. Permanent central incisors

b. Third molars

c. Lateral incisors

d. Permanent canines

11 / 60

In occlusion the teeth have_______________?

a. Surface to surface contact

b. Cusp to cusp contact

c. Edge to edge contact

d. Marginal contact

12 / 60

Masticatory system in general consists of three main component :

a. Teeth, Periodontal tissue and Enamel

b. Teeth, Tongue and Enamel

c. Teeth, Tongue, and check

d. Teeth, Periodontal tissue and Occlusion

13 / 60

Maximum contact between occlusal surfaces, of maxillary and mandibular teeth occur during________________?

a. Protrusive contacts

b. Centric occlusion

c. Rest position

d. Laterotrusive contacts

14 / 60

The failure of the adaptive mechanism of and organism to counteract adequately the stimuli or stresses
resulting in disturbance in function or structure of any part, organ or system of the body is called :

a. Disease

b. Symptom

c. Disease and Signe

d. Signe

15 / 60

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

a. Perfect ligament and good retainer

b. Occlusal principles were better understood

c. Tooth in perfect alignment

d. it is a good retainer

16 / 60

កម្លាំងទំពារជាអ្វី?

a. ជាចលនា

b. ជាសកម្មភាពរបស់សាច់ដុំទំពារ

c. ជាបុព្វហេតុដើមនៃចលនាទំពារ

d. ជាសកម្មភាពនៃឆ្អឹងថ្គាម

17 / 60

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

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

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

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 Normal probing depth

18 / 60

Stress from microtrauma results from:

a. All of above

b. Accident and head injury

c. Root canal treated tooth

d. Repeated occlusal overload

19 / 60

តើប្រដាប់ទំពារមានប៉ុន្មានផ្នែកសំខាន់ៗ?

a. ៤

b. ៣

c. ៥

d. ២

20 / 60

According to Grippo, it is now apparent that deformation of tooth structure results from three basic
physical and chemical mechanisms that can act alone or in combination:

a. Stress, Deformation and Friction

b. Stress, Friction, and Corrosion

c. Stress, Deformation, and Corrosion

d. Stress, Eating, and Corrosion

21 / 60

What is A? :

a. The articular eminence

b. The articular capsule

c. Mandibular condyle

d. Mandibular fossa

22 / 60

តើ Coefficients នៃធ្មេញថ្គាមផុតក្រោមមានប៉ុន្មាន?

a. ៤

b. ៦

c. ៣

d. ៤-៦

23 / 60

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

a. None all of

b. To determine the direction of maxillary movement

c. To secure stabilize the mandibular positions.

d. To move the mandible

24 / 60

In occlusion the teeth have:

a. Surface to surface contact

b. Edge to edge contact

c. Marginal contact

d. Cusp to cusp contact

25 / 60

When a molar has no opposing tooth, it can become_______________?

a. Protruded

b. Intruded

c. Retruded

d. Extruded

26 / 60

An articular disc separate the articular surfaces so 2 :

a. 4 cavities are present

b. 3 cavities are present

c. 2 cavities are present

d. 5 cavities are present

27 / 60

This picture show of unstable dental occlusion which is cause

a. Posteror interferences

b. Orthodontic treatment

c. Anterior interferences

d. Muscle

28 / 60

តើសាច់ដុំអ្វីដែលធ្វើអោយមាត់បើក?

a. pterygoidien

b. Diduteur

c. Elevateur

d. genio – hyoidien

29 / 60

តើ Luxations Temporo-mandibulaire មានផលលំបាកអ្វី?

a. ការឈឺចាប់ក្នុងក្រាសធ្មេញលើ

b. ការចុករោយ សាច់ដុំ Temporal

c. ការឈឺចាប់ នៅក្នុងក្រាសធ្មេញក្រោម

d. ការចុករោយ ក្នុងសន្លាក់ឆ្អឹងថ្គាម

30 / 60

តើ Plan sagittal ជាប្លង់ដូចម្ដេច?

a. ឈរ

b. ទ្រេត

c. ស្របប្លង់ Occlusion

d. ដេក

31 / 60

The role of functional cusps is :

a. Main role of mastication

b. None of all above

c. Quiding cusps

d. Sharing cusps

32 / 60

The INCORRECT statement of mandibular fist molar:

a. Buccal functional cusp

b. Has 5 cusps

c. Eruption at the age of 6 years old

d. as 4 cusps

33 / 60

តើនៅក្នុងសកម្មភាពធម្មតារបស់ក្រាសធ្មេញដែលពេញល្អវាមានលំនឹងរវាងកម្លាំងប៉ុន្មាន?

a. ៤

b. ២

c. ៣

d. ១

34 / 60

How many phases of the Chewing cycle?:

a. 4

b. 5

c. 2

d. 3

35 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Deuxiéme Molaire ប៉ុន្មាន?

a. ៣

b. ៤

c. ៦

d. ៥

36 / 60

Curve passing through the buccal and lingual cusp tips of the mandibular buccal teeth is______________?

a. Curve of spee

b. Caternary curve

c. Wilson curve

d. Mansoon curve

37 / 60

The role of Non-functional cusps is :

a. All above

b. protection from check biting

c. guiding cusp

d. food sharing

38 / 60

Which one is INCORRECT statement about common characteristic of mastication muscles? :

a. All of above

b. All are innervated by mandibular division of the trigeminal nerve

c. All are inserted to the Maxillary

d. All are concerned un-biting and chewing

39 / 60

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

a. Fossa and rdges

b. Grooves and embrasures

c. Lingual cusps of mandibular teeth

d. Occlusal pits and fissures of mandibular teeth

40 / 60

In ideal intercuspation, maxillary canine articulates with:

a. Mandibular canine and lateral incisor

b. Mandibular canine only

c. Mandibular canine and 1st premolar

d. Mandibular 1st premolar and 2nd premolar

41 / 60

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

a. Distal area

b. Buccal cusp

c. Mesial area

d. Lingual area

42 / 60

តើ Coeficients នៃថ្គាមតូចទីពីរមានប៉ុន្មាន?

a. ៦

b. ៣

c. ៤-៦

d. ៤

43 / 60

The inner aspect of the capsule line :

a. Lower join cavity

b. Articular disc

c. Synovial membrane

d. Mandibular fossa

44 / 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 comfort, restoration longevity, occlusal stability, and accurate treatment plant.

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

45 / 60

Muscles Abaisseurs គឺជាសាច់ដុំ:

a. ទំលាក់ថ្គាមចុះក្រោម

b. លើកថ្គាមក្រោមឡើងលើ

c. រុញចង្គោមទៅក្រោយ

d. រុញចង្កោមទៅមុខ

46 / 60

តើ Plan de comper ជាប្លង់ដូចម្ដេច?

a. ជាប្លង់ដេក

b. ជាប្លង់ឈរ

c. ជាប្លង់ដែលកាត់តាមផ្នែកខាងលើនៃ Tragus និង ចំនុចមួយក្រោមច្រមុះ

d. កាត់តាមផ្នែកខាងលើនៃរន្ធត្រចៀក និង ផ្នែកខាងក្រោមនៃរន្ធគ្រាប់ភ្នែក

47 / 60

The 4 main Muscle of Mastication muscles are:

a. Temporalis, Medial pterigoid, Lateral pterigoid and Hyoid

b. Masseter, Temporalis, Medial pterigoid and Lateral pterigoid

c. Masseter, Temporalis, Medial pterigoid and Sphenomandibular

d. Masseter, Temporalis, Sphenomadibular and Posterior digastric

48 / 60

តើលោក Akerman អោយ Confficient Incisive ប៉ុន្មាន?

a. ១

b. ៣

c. ២

d. ៤

49 / 60

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

a. Lingual side

b. Buccal side

c. Distal side

d. Mesial side

50 / 60

Malocclusion is defined:

a. as the ligament of the teeth and jaws

b. as the misaligament of the teeth

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

d. as the periodentium of the teeth

51 / 60

Masticatory is a true system because:

a. It can work alone

b. It can’t work alone

c. Non all of above

d. All of above

52 / 60

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

a. Occlusal Disharmony

b. Non stable occlusion

c. Stabile occlusion

d. Occlusal interferences

53 / 60

What are the phases of the chewing cycle?:

a. Closing phase and intercuspal phase

b. Opening Phase and Closing phase

c. Opening phase, closing phase and occlusal or intercuspal phase

d. Opening phase and occlusal phase

54 / 60

តើ Plan horizontal ពុះសារពាង្គកាយយ៉ាងដូចម្ដេច?

a. ជាចំណែកឆ្វេង និង ស្ដាំ

b. ជាចំណែកលើ និង ក្រោម

c. ជាចំណែកមុខ និង ក្រោយ

d. ពីលើចុះក្រោម

55 / 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 alveolar bone

b. TMJs, periodontium and alveolar bone

c. TMJs, Masticatory muscle, and periodontium

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

56 / 60

Chewing circle has :

a. 4 Phases

b. 2 Phases

c. 3 Phases

d. 5 Phases

57 / 60

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

a. Chewing, opening and swallowing

b. ewing, closing and speaking

c. Speaking, swallowing and opening

d. Chewing, speaking and swallowing

58 / 60

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

a. Centric relation

b. Centric and Ecentric occlusion

c. Centric occlusion

d. Centric occlusion and centric relation

59 / 60

Abrasion is wear due to:

a. exogenous agent such as Coke and an exogenous agent such as Bruxism

b. friction between a tooth and an exogenous agent such as Coke

c. friction between a tooth and an exogenous agent such as Bruxism

d. friction between a tooth and an exogenous agent for example tooth brushing

60 / 60

តើពពួក Incisores and Canines រងនូវកម្លាំងពីមធ្យមទៅអតិបរិមាយ៉ាងដូចម្ដេច?

a. 15kg – 40kg

b. 15kg – 20kg

c. 15kg – 30kg

d. 10kg – 15kg

Your score is

The average score is 0%

Any comments?

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

និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត