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

Dental occlusion is defined:

a. as the contact relation of the teeth in parafunction

b. as the contact relation of the teeth in function

c. as the contact relation of the articular in function or parafunction

d. as the contact relation of the teeth in function or parafunction

2 / 60

Abrasion is wear due to:

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

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

3 / 60

What is symptom?:

a. Symptom is what a patient experience

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

c. Symptom is what a patient see.

d. Symptom is what a doctor see.

4 / 60

The INCORRECT statement of mandibular fist molar:

a. Eruption at the age of 6 years old

b. Buccal functional cusp

c. Has 5 cusps

d. as 4 cusps

5 / 60

តើចលនានៃការទំពារជាអ្វី ?

a. ជាសកម្មភាពរបស់សាច់ដុំ

b. ជាសកម្មភាពនៃក្រាសធ្មេញ

c. ជាសកម្មភាពរបស់ថ្គាមក្រោម

d. ជាសកម្មភាពដែលឆ្លើយតបទៅនឹងកម្លាំងទំពារ

6 / 60

What are the parts of ecentric occlusion?:

a. Masseter

b. Functional and Non-functional

c. None of all

d. Centric occlusion

7 / 60

In occlusion the teeth have_______________?

a. Cusp to cusp contact

b. Marginal contact

c. Surface to surface contact

d. Edge to edge contact

8 / 60

Attrition wear of anterior teeth is one of the most common untreated problems to solve this problem we
have to :

a. look at mandibular tooth where deflective incline interferences to Ecentric relation

b. look at anterior teeth where deflective incline interferences to centric relation.

c. look at maxillary tooth where deflective incline interferences to centric occlusion

d. look at posterior teeth where deflective incline interferences to centric relation. This forces the lower anterior teeth forward into a collision with the upper anterior teeth.

9 / 60

Many problems of discomfort are related to occlusal disharmony for example teeth that are sensitive to hot
or cold after a restoration is placed are frequently symptomatic because:

a. a deflective incline interference or a vertical under load from a new restoration

b. of a non-smooth restoration or a vertical under load from a new restoration

c. of a non-smooth restoration or a vertical overload from a new restoration

d. a deflective incline interference or a vertical overload from a new restoration

10 / 60

Occlusal disease is :

a. most commonly missed diagnosis, instability of root canal treatment and the #1 reason for tooth soreness and hypersensitivity

b. most commonly missed diagnosis, stability of root canal treatment and the #1 reason for tooth soreness and hypersensitivity

c. most commonly missed diagnosis, stability of orthodontic treatment and the #1 reason for tooth soreness and hypersensitivity.

d. most commonly missed diagnosis, instability of orthodontic treatment and the #1 reason for tooth soreness and hypersensitivity

11 / 60

Attrition wear lower anterior teeth might cause by :

a. Over conturing of prothesis or any restoration occlusal surface of upper maxillary incisor.

b. Non all of above

c. Over conturing of prothesis or any restoration on the palatal surface of upper maxillary incisor.

d. Over conturing of prothesis or any restoration on the buccal surface of upper maxillary incisor.

12 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Dent de sagesse ប៉ុន្មាន?

a. ៤-៥

b. ៥-៦

c. ៣-៤

d. ២-៥

13 / 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. Muscle pain

b. Occlusal disease

c. Temporomandibular disorder (TMD)

d. Articular pain

14 / 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 periodontium

b. TMJs, Masticatory muscle, and alveolar bone

c. TMJs, periodontium and alveolar bone

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

15 / 60

The 4 main Muscle of Mastication muscles are:

a. Temporalis, Medial pterigoid, Lateral pterigoid and Hyoid

b. Masseter, Temporalis, Sphenomadibular and Posterior digastric

c. Masseter, Temporalis, Medial pterigoid and Sphenomandibular

d. Masseter, Temporalis, Medial pterigoid and Lateral pterigoid

16 / 60

Masticatory system consists of net:

a. 2 main components

b. 3 main components

c. 1 main component

d. 4 main components

17 / 60

តើកម្លាំង Bio – reaction nelle ligamento – alvéolaire et osseuse មាននៅណា?

a. Granio – facial

b. ថ្គាមលើ

c. articulation temporo – mandibulaire

d. ថ្គាមក្រោម

18 / 60

តើ Plan de comper ជាប្លង់ដូចម្ដេច?

a. កាត់តាមផ្នែកខាងលើនៃរន្ធត្រចៀក និង ផ្នែកខាងក្រោមនៃរន្ធគ្រាប់ភ្នែក

b. ជាប្លង់ដេក

c. ជាប្លង់ឈរ

d. ជាប្លង់ដែលកាត់តាមផ្នែកខាងលើនៃ Tragus និង ចំនុចមួយក្រោមច្រមុះ

19 / 60

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

a. Retruded

b. Protruded

c. Extruded

d. Intruded

20 / 60

Periodontium consist of :

a. Alveolar bone, Muscle, and dental ligament

b. Muscle, Dental ligament and Enamel

c. Alveolar bone, Cementum, and dental ligament

d. Alveolar bone, gingival, and dental ligament

21 / 60

Most of the problems that lead to compromised treatment results could be avoided:

a. if requirements for occlusal stability were adhered to the treatment stage

b. if requirements for occlusal stability were not adhered to the treatment planning stage

c. if requirements for occlusal stability were adhered to the treatment planning stage

d. if requirements for occlusal stability were not adhered to the treatment stage

22 / 60

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

a. Grooves and embrasures

b. Fossa and ridges

c. Lingual cusps of mandibular teeth

d. Occlusal pits and fissures of mandibular teeth

23 / 60

តើតាមខ្នាតអន្ដរជាតិ កម្លាំងវិចទ័រគិតជាអ្វី?

a. វ៉ាត់

b. សេះ

c. ញូតុន (N)

d. Kg

24 / 60

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

a. To move the mandible

b. To determine the direction of maxillary movement

c. None all of

d. To secure stabilize the mandibular positions.

25 / 60

តើធ្មេញដែលមានសកម្មភាពរស់រវើកបានដោយសារអ្វី?

a. tendon

b. ligament

c. articulation

d. Alvéolaire

26 / 60

Which one is the incorrect statement of the complete dentistry?:

a. Uncomfortable function

b. Comfortable function

c. Maintainably healthy teeth

d. Stable TMJs

27 / 60

What does the muscle A in the picture called?:

a. Spenomandibular

b. Lateral Pterigoid

c. Masseter

d. Temporalis

28 / 60

Distobuccal cusp of 27 falls into:

a. Embrasure of 37 & 38

b. Embrasure of 36 & 37

c. Mesial pit of 37

d. None of the above

29 / 60

What are the phases of the chewing cycle?:

a. Opening phase and occlusal phase

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

c. Opening Phase and Closing phase

d. Closing phase and intercuspal phase

30 / 60

តើ Muscles Abaisser មានមុខងារយ៉ាងដូចម្ដេច?

a. ធ្វើអោយមាត់ហារ

b. ធ្វើអោយមាត់បិតជិត

c. ធ្វើអោយចង្ការលយទៅមុខ

d. ធ្វើអោយមាត់វៀច

31 / 60

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

a. Sharp edge of dentin

b. Smooth edge of enamel

c. Smooth edge of dentin

d. Sharp edge of enamel

32 / 60

តើ mecanique masticatoire ជាប្រព័ន្ធនៃការធ្វើចលនារវាងឆ្អឹងអ្វីខ្លះ?

a. ឆ្អឹងថ្គាមលើ និង ឆ្អឹង Granio-facial

b. ឆ្អឹងថ្គាមក្រោម ឆ្អឹងថ្គាមលើ និង articulation temporo mandibular

c. ឆ្អឹងថ្គាមក្រោម និង ឆ្អឹង Granio-facial

d. ឆ្អឹងថ្គាមក្រោម និង ឆ្អឹងថ្គាមលើ

33 / 60

How many phases of the Chewing cycle?:

a. 2

b. 3

c. 4

d. 5

34 / 60

តើ Plan de Francfort កាត់តាមណា?

a. កាត់តាមបណ្ដា Cuspide

b. កាត់តាមគែមលើរន្ធត្រចៀក និង គែមក្រោមនៃរន្ធភ្នែក

c. កាត់តាម Lingne median

d. កាត់តាម Tragius និង ផ្នែកខាងក្រោមច្រមុះ

35 / 60

Masticatory system in general consists of three main component :

a. Teeth, Tongue and Enamel

b. Teeth, Tongue, and check

c. Teeth, Periodontal tissue and Occlusion

d. Teeth, Periodontal tissue and Enamel

36 / 60

គ្រប់គ្រងចលនាសិរីរាង្គ ក្រាសធ្មេញ និង មាត់មានសារះប្រយោជន៍ប៉ុន្មានយ៉ាងធំៗ

a. ៣ យ៉ាង

b. ៥ យ៉ាង

c. ២ យ៉ាង

d. ៦ យ៉ាង

37 / 60

Desmodont is another name for_____________?

a. Dehiscence

b. Tooth with three walled pocket

c. The tooth with one wall pocket

d. periodontal ligament

38 / 60

Patient lost their tooth in 2 ways:

a. Microtrauma and Macrotrauma

b. Physical injury

c. Microorganism and Trauma (microtrauma or physical injury)

d. Microorganism and Microtrauma

39 / 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, more clinical attachment loss and less radiographic bone support and non-mobile teeth.

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

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

40 / 60

The TMJ is:

a. a synovial bilateral joint that permits the mandible to move as a unit with 2 functional pattern (gliding and hinge moment)

b. a synovial bilateral joint that permits the mandible to move as a unit with 3 functional patterns.

c. a synovial mono-lateral joint that permits the mandible to move as a unit with 2 functional pattern (gliding and hinge moment)

d. a synovial trilateral joint that permits the mandible to move as a unit with 2 functional pattern (gliding and hinge moment)

41 / 60

តើ Muscles Diduteurs មានមុខងារធ្វើអ្វី?

a. ធ្វើអោយចង្ការទាញថយក្រោយ

b. ធ្វើអោយមាត់ចំហ

c. ធ្វើអោយចង្ការរុញទៅមុខ

d. ធ្វើអោយមាត់បិត

42 / 60

តើសាច់ដុំអ្វីដែលធ្វើអោយមាត់បើក?

a. Elevateur

b. pterygoidien

c. genio – hyoidien

d. Diduteur

43 / 60

TMJ articulation anatomy consist of :

a. 5 main parts

b. 6 main parts

c. 3 main parts

d. 4 main parts

44 / 60

Maxillary facial and mandibular lingual cusps require sufficient occclusal length and horizontal overlap for_____________?

a. Chewing efficiency

b. Esthetics

c. Soft tissue protection

d. Centric stability

45 / 60

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

a. Genohyoid, Omohyoid, Stylohyoid and Digastric

b. Mylohyoid, Genoihyoid, Omohyoid and Digastric

c. Stylohyoid, Omohyoid, Digastric and Masseter

d. Mylohyois, Genoihyoid, Stylohyoid and Digastric

46 / 60

តើ Plan horizontal ជាប្លង់ដូចម្ដេច?

a. ស្របនឹងប្លង់ Sagittal

b. ដេក

c. ឈរ

d. ទ្រេត

47 / 60

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

a. Occlusal interferences

b. Non stable occlusion

c. Occlusal Disharmony

d. Stabile occlusion

48 / 60

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

a. Buccal side

b. Lingual side

c. Mesial side

d. Distal side

49 / 60

Depression movement of mandible caused by :

a. Deep part of masseter and Digastric

b. Lateral pterygoid assisted by Medial pterygoid

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

d. Gravity, digastric, geniohyoid and mylohyoid muscle

50 / 60

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

a. Occlusal pits and fissures of mandibular teeth

b. Lingual cusps of mandibular teeth

c. Fossa and rdges

d. Grooves and embrasures

51 / 60

Name of the line in the picture below :

a. Curve of Wilson

b. Functional cusp

c. Non-centric cusp

d. Curve of spee

52 / 60

តើចលនានៃការទំពារជាអ្វី?

a. ជាសកម្មភាពនៃក្រាសធ្មេញ

b. ជាសកម្មភាពរបស់ថ្គាមក្រោម

c. ជាសកម្មភាពរបស់សាច់ដុំ

d. ជាសកម្មភាពដែលឆ្លើយតបទៅនឹងកម្លាំងទំពារ

53 / 60

When doing anterior protrusion :

a. Lateral ligament

b. Sphenomandibular ligament

c. Capsul

d. Stylomandibular ligament

54 / 60

The maxillary teeth which have single antagonist are:

a. Third molars

b. Lateral incisors

c. Permanent central incisors

d. Permanent canines

55 / 60

An articular disc separate the articular surfaces so 2 :

a. 2 cavities are present

b. 3 cavities are present

c. 4 cavities are present

d. 5 cavities are present

56 / 60

តើកម្លាំង physio mécanique ជាកម្លាំងយ៉ាងដូចម្ដេច?

a. ជាកម្លាំងឆ្លើយតប នឹង កម្លាំងពិតមាននៅក្នុងថ្គាមលើ

b. ជាកម្លាំងពិតប្រាកថដែលមាននៅក្នុងឆ្អឹងថ្គាមក្រោម

c. ជាកម្លាំងដែលមាននៅលើ Ligament

d. ជាកម្លាំងដែលមាននៅក្នុងសន្លាក់ឆ្អឹងថ្គាម

57 / 60

Curve of Wilson is:

a. a curve that contact the upper and the lower teeth

b. a curve that contact the lingual

c. a curve that contact the buccal

d. a curve that contact the buccal and lingual

58 / 60

Erosion is tooth surface loss due:

a. tooth-to-tooth friction

b. missed handling of tooth brushing

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

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

59 / 60

តើតាមលោក Duchange Coefficient នៃធ្មេញលេខ ៣៦ ប៉ុន្មាន?

a. ៣

b. ៦

c. ៤

d. ២

60 / 60

តើ Coeficients នៃថ្គាមតូចទីពីរមានប៉ុន្មាន?

a. ៣

b. ៤-៦

c. ៤

d. ៦

Your score is

The average score is 94%

Any comments?

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

និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត