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

តើលក្ខណៈសម្គាល់នៃវិចទ័រមានប៉ុន្មានយ៉ាង?

a. ២ យ៉ាង

b. ៥ យ៉ាង

c. ៤ យ៉ាង

d. ៣ យ៉ាង

2 / 60

This picture show of unstable dental occlusion which is cause

a. Anterior interferences

b. Posteror interferences

c. Muscle

d. Orthodontic treatment

3 / 60

Patient lost their tooth in 2 ways:

a. Microorganism and Microtrauma

b. Physical injury

c. Microtrauma and Macrotrauma

d. Microorganism and Trauma (microtrauma or physical injury)

4 / 60

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

a. ថ្គាមក្រោម

b. ថ្គាមលើ

c. articulation temporo – mandibulaire

d. Granio – facial

5 / 60

តើកម្លាំង physio mécanique ជាកម្លាំងយ៉ាងដូចម្ដេច?

a. ជាកម្លាំងពិតប្រាកថដែលមាននៅក្នុងឆ្អឹងថ្គាមក្រោម

b. ជាកម្លាំងដែលមាននៅលើ Ligament

c. ជាកម្លាំងដែលមាននៅក្នុងសន្លាក់ឆ្អឹងថ្គាម

d. ជាកម្លាំងឆ្លើយតប នឹង កម្លាំងពិតមាននៅក្នុងថ្គាមលើ

6 / 60

Over jet is defined as______________?

a. All the above

b. Transverse plane discrepancy

c. Vertical overlap

d. Horizontal overlap

7 / 60

តើអ្វីទៅជា Plan d’occlusion?

a. ជា Plan Horizontal

b. ជាប្លង់កាត់តាម Bords Libres និង បណ្ដា កំពូល Cuspides នៃធ្មេញលើ

c. ជាប្លង់កាត់តាម Lingne median

d. ជា Plan Vestical

8 / 60

Desmodont is another name for_____________?

a. periodontal ligament

b. Tooth with three walled pocket

c. Dehiscence

d. The tooth with one wall pocket

9 / 60

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

a. Incisal embrasure of canine and premolar

b. Distal ridge of the cusp of mandibular canine

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

d. Facial embrasure of canine and premolar

10 / 60

The functional cusps of lower posterior teeth located at :

a. Lingual cusp

b. Buccal cusp

c. Distal area

d. Mesial area

11 / 60

តើពពួក Incisores and Canines រងនូវកម្លាំងពីមធ្យមទៅអតិបរិមាយ៉ាងដូចម្ដេច?

a. 10kg – 15kg

b. 15kg – 30kg

c. 15kg – 40kg

d. 15kg – 20kg

12 / 60

What is A?

a. Mandibular fossa

b. The articular capsule

c. The articular eminence

d. Mandibular condyle

13 / 60

The key to occlusion is_______________?

a. Maxillary permanent second molar

b. Maxillary primary second molar

c. Maxillary permanent first molar

d. Maxillary primary first molar

14 / 60

The TMJ is:

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

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

c. a synovial bilateral 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)

15 / 60

Which is a true statement about Temporalis muscle? :

a. Origin: the ape surface of coronoid process and anterior border of the ramus

b. Anterior fiber elevate the mandible while the posterior fiber retract the mandible

c. Is the weakness muscle in our bodies

d. Is the strongest muscle in our bodies

16 / 60

Malocclusion is defined:

a. as the ligament of the teeth and jaws

b. as the periodentium of the teeth

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

d. as the misaligament of the teeth

17 / 60

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

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

b. Predictable diagnosis, patient uncomforted, restorative 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.

18 / 60

តើ Plan de camper និង Plan d’occlusion មានស្ថានភាពយ៉ាងដូចម្ដេច?

a. ប្រសព្វគ្នា

b. កែងនិងគ្នា

c. គ្មានចម្លើយត្រឹមត្រូវ

d. ស្របគ្នា

19 / 60

តើ Muscles Elevateurs មានមុខងារអ្វី?

a. ធ្វើអោយមាត់ស្ថិតក្នុងសភាពធម្មតា

b. ធ្វើអោយមាត់ហារ

c. ធ្វើអោយមាត់បិទ

d. ធ្វើអោយមាត់វៀច

20 / 60

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

a. To secure stabilize the mandibular positions.

b. None all of

c. To move the mandible

d. To determine the direction of maxillary movement

21 / 60

តើតាមលោក Duchange Coefficient នៃធ្មេញលេខ ៣៦ ប៉ុន្មាន?

a. ៤

b. ៦

c. ២

d. ៣

22 / 60

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

a. Protruded

b. Extruded

c. Retruded

d. Intruded

23 / 60

What is the right statement of Fremitus? :

a. Fremitus is almost always an early sign of an uncorrectable occlusal disharmony.

b. Fremitus is almost always late step of an uncorrectable occlusal disharmony.

c. Fremitus is almost always late step of a correctable occlusal disharmony.

d. Fremitus is almost always an early sign of a correctable occlusal disharmony.

24 / 60

Dental occlusion is defined:

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

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

c. as the contact relation of the teeth in function

d. as the contact relation of the teeth in parafunction

25 / 60

តើប្រដាប់ទំពារមានប៉ុន្មានផ្នែកសំខាន់ៗ?

a. ៤

b. ៣

c. ២

d. ៥

26 / 60

What are the parts of ecentric occlusion?:

a. Masseter

b. Functional and Non-functional

c. Centric occlusion

d. None of all

27 / 60

The role of Non-functional cusps is :

a. guiding cusp

b. protection from check biting

c. food sharing

d. All above

28 / 60

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

a. Centric occlusion

b. Protrusive contacts

c. Laterotrusive contacts

d. Rest position

29 / 60

ក្រាសធ្មេញ និង មាត់មានសារះប្រយោជន៍ប៉ុន្មានយ៉ាងធំៗ?

a. ៥ យ៉ាង

b. ៣ យ៉ាង

c. ៦ យ៉ាង

d. ២ យ៉ាង

30 / 60

តើតាមទ្រឹស្ដីរបស់លោក Duchange Coefficient របស់ Incisive Central Superior ប៉ុន្មាន?

a. ៤-៦

b. ៣

c. ៤

d. ២

31 / 60

Which one is incorrect statement of Lateral Pterygoid muscle:

a. Origin: the ape surface of coronoid process and anterior border of the ramus

b. Is also called Pterygoid Extern

c. None all of above

d. Action: Depress, protrude mandible

32 / 60

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

a. Grooves and embrasures

b. Lingual cusps of mandibular teeth

c. Fossa and rdges

d. Occlusal pits and fissures of mandibular teeth

33 / 60

តើ Plan de Francfort កាត់តាមណា?

a. កាត់តាម Lingne median

b. កាត់តាម Tragius និង ផ្នែកខាងក្រោមច្រមុះ

c. កាត់តាមគែមលើរន្ធត្រចៀក និង គែមក្រោមនៃរន្ធភ្នែក

d. កាត់តាមបណ្ដា Cuspide

34 / 60

Group function occlusion is common in:?

a. Edentulous patients

b. 10-14 years

c. 15-25 years

d. Above 30 years

35 / 60

Depression movement of mandible caused by :

a. Deep part of masseter and Digastric

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

c. Lateral pterygoid assisted by Medial pterygoid

d. Gravity, digastric, geniohyoid and mylohyoid muscle

36 / 60

The 4 main Muscle of Mastication muscles are:

a. Masseter, Temporalis, Medial pterigoid and Lateral pterigoid

b. Masseter, Temporalis, Sphenomadibular and Posterior digastric

c. Masseter, Temporalis, Medial pterigoid and Sphenomandibular

d. Temporalis, Medial pterigoid, Lateral pterigoid and Hyoid

37 / 60

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

a. Sharp edge of dentin

b. Smooth edge of enamel

c. Sharp edge of enamel

d. Smooth edge of dentin

38 / 60

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

a. Fossa and ridges

b. Lingual cusps of mandibular teeth

c. Occlusal pits and fissures of mandibular teeth

d. Grooves and embrasures

39 / 60

There are 2 division of centric contact:

a. None of all above

b. Buccal and lingual

c. Upper and lower

d. Anterior and posterior centric contact

40 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Dent de sagesse ប៉ុន្មាន?

a. ៤-៥

b. ២-៥

c. ៥-៦

d. ៣-៤

41 / 60

When doing anterior protrusion :

a. Sphenomandibular ligament

b. Lateral ligament

c. Capsul

d. Stylomandibular ligament

42 / 60

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

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

b. 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.

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

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

43 / 60

តើលោក Akerman អោយ Confficient Incisive ប៉ុន្មាន?

a. ២

b. ៤

c. ១

d. ៣

44 / 60

The stress of microtrauma might cause :

a. Tooth mobility and dental caries

b. Dental caries and Tooth creak

c. Tooth creak and plaque formation

d. Periodental tissue break down and pocket formation

45 / 60

តើត្រូវមានកម្លាំងយ៉ាងដូចម្ដេចដើម្បីដាក់ធ្មេញ Bridge ជាប់ល្អ?

a. កម្លាំងដែលមានលើធ្មេញបាត់ធំជាងធ្មេញបង្គោល

b. កម្លាំងនៃធ្មេញបាត់ធំជាងឬស្មើនឹងធ្មេញបង្គោល

c. កម្លាំងនៃធ្មេញបាត់ស្មើនឹងធ្មេញបង្គោល

d. កម្លាំងដែលមាននៅលើធ្មេញបាត់ត្រូវតូចជាងឬស្មើ ធ្មេញបង្គោល

46 / 60

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

a. Lingual slopes of lingual cusps of mandibular posterior teeth

b. Buccal slopes of lingual cusps of maxillary posterior teeth

c. Buccals slopes of buccal cusps of maxillary posterior teeth

d. All slopes of lingual cusps of mandibular posterior teeth

47 / 60

Attrition wear lower anterior teeth might cause by :

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

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

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

d. Non all of above

48 / 60

Which is incorrect about 4 component of Mandibular articulation? :

a. The answer is mandibular condyle and The Articular disc

b. Coronoid process of mandible

c. The Articular disc

d. Mandibular Condyle

49 / 60

តើ Hinge axis ជាបន្ទាត់យ៉ាងដូចម្ដេច?

a. កាត់តាមចំណុចកណ្ដាលនៃ Condyle ទាំងពីរ

b. Ala នៃច្រមុះ

c. Tragus ទាំងពីរ

d. ផ្ទៃខាងលើនៃរន្ធត្រចៀកឬាំងពី

50 / 60

តើ Plan sagittal មានស្ថានភាពដូចម្ដេច?

a. ចំកណ្ដាលពីមុខទៅក្រោយ

b. ពីឆ្វេងទៅស្ដាំ

c. ជាចំណែកមុខ និង ក្រោយ

d. ជាចំណែកលើ និង ក្រោម

51 / 60

តើកម្លាំងវិចទ័រខុសគ្នាត្រង់ណា?

a. ត្រង់ម៉ូឌុល

b. ត្រង់ទិស

c. ត្រង់គល់វិចទ័រ

d. ត្រង់មុំ

52 / 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 orthodontic treatment and the #1 reason for tooth soreness and hypersensitivity.

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

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

53 / 60

តើកម្លាំង Physio Mecanic ស្ថិតនៅទីណា?

a. នៅលើសន្លាក់ថ្គាម

b. នៅថ្គាមលើ

c. នៅលើសាច់ដុំទំពារ

d. នៅលើថ្គាមក្រោម

54 / 60

តើកម្លាំងឆ្លើយតបស្ថិតនៅទីណា?

a. នៅលើសាច់ដុំទំពារ

b. នៅលើឆ្អឹងថ្គាមក្រោម

c. នៅលើសន្លាក់ឆ្អឹងថ្គាម

d. នៅលើឆ្អឹងថ្គាមលើ

55 / 60

Centric occlusion happened when :

a. the jaw joint in a adapt centric relation

b. All above

c. Canine guided

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

56 / 60

The differences between Causative factor and contributing factor :

a. Causative factor is not trigger point while a contributing factor causes the disease A

b. Causative factor is a trigger point that cause disease while a contributing factor does not by itself cause the disease

c. Causative factor is not trigger point that cause disease while a contributing factor does not by itself cause the disease

d. Causative factor is a trigger point while a contributing factor causes the disease

57 / 60

Maxillary facial and mandibular lingual cusps require sufficient occlusal length and horizontal overlap for:

a. Soft tissue protection

b. Esthetics

c. Chewing efficiency

d. Centric stability

58 / 60

Name of the line in the picture below :

a. Curve of spee

b. Non-centric cusp

c. Curve of Wilson

d. Functional cusp

59 / 60

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

a. Lingual side

b. Distal side

c. Buccal side

d. Mesial side

60 / 60

តើលើក Akerman អោយ Confficient ចំពោះធ្មេញ Canine ប៉ុន្មាន?

a. ៣-៤

b. ២-៤

c. ៣-៥

d. ៤-៥

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត