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

What does the muscle A in the picture called?:

a. Spenomandibular

b. Lateral Pterigoid

c. Temporalis

d. Masseter

2 / 60

តើ Hinge axis ជាបន្ទាត់យ៉ាងដូចម្ដេច?

a. Ala នៃច្រមុះ

b. ផ្ទៃខាងលើនៃរន្ធត្រចៀកឬាំងពី

c. កាត់តាមចំណុចកណ្ដាលនៃ Condyle ទាំងពីរ

d. Tragus ទាំងពីរ

3 / 60

TMJ articulation anatomy consist of :

a. 3 main parts

b. 5 main parts

c. 4 main parts

d. 6 main parts

4 / 60

Name of the line in the picture below :

a. Curve of spee

b. Functional cusp

c. Non-centric cusp

d. Curve of Wilson

5 / 60

តើក្រាសធ្មេញ និង មាត់ មានតួនាទីដូចម្ដេច?

a. ទទួលចិញ្ចឹមសរីរាង្គទាំងមូល

b. បង្កើតជាលិកា និង កោសិកា

c. ការពារសរីរាង្គ

d. បង្កើតទំនាក់ទំនងក្នុងសរីរាង្គទាំងមូល

6 / 60

Masticatory system in general consists of three main component :

a. Teeth, Periodontal tissue and Occlusion

b. Teeth, Tongue, and check

c. Teeth, Tongue and Enamel

d. Teeth, Periodontal tissue and Enamel

7 / 60

There are 2 division of centric contact:

a. Buccal and lingual

b. None of all above

c. Upper and lower

d. Anterior and posterior centric contact

8 / 60

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

a. Distal area

b. Mesial area

c. Buccal cusp

d. Lingual area

9 / 60

តើលោក Akerman អោយ Confficient Incisive ប៉ុន្មាន?

a. ១

b. ២

c. ៣

d. ៤

10 / 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, Eating, and Corrosion

d. Stress, Deformation, and Corrosion

11 / 60

តើ Muscles Elevateurs មានមុខងារអ្វី?

a. ធ្វើអោយមាត់វៀច

b. ធ្វើអោយមាត់ហារ

c. ធ្វើអោយមាត់បិទ

d. ធ្វើអោយមាត់ស្ថិតក្នុងសភាពធម្មតា

12 / 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 overload 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 under load from a new restoration

13 / 60

An articular disc separate the articular surfaces so 2 :

a. 3 cavities are present

b. 2 cavities are present

c. 5 cavities are present

d. 4 cavities are present

14 / 60

3 point from Goal of complete dentistry :

a. Stable occlusion, No pain and Stable TMJs

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

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

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

15 / 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

16 / 60

Which one is INCORRECT statement of Masseter muscle? :

a. Action: protection and mouth opening.

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

c. All of above

d. Is the strongest muscle in our bodies

17 / 60

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

a. Esthetics

b. Soft tissue protection

c. Chewing efficiency

d. Centric stability

18 / 60

តើ Biomecanic ជាអ្វី?

a. ជាការសិក្សាពីសន្លាក់

b. ជាការសិក្សាពីមាត់

c. ជាការសិក្សាពីក្រាស់ធ្មេញ

d. ជាការសិក្សាពីប្រព័ន្ធចលនានៃការទំពារ

19 / 60

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

a. Buccal side

b. Lingual side

c. Distal side

d. Mesial side

20 / 60

តើ Muscles Abaisseurs ជា Muscles អ្វី?

a. temporal

b. Masseter

c. Masticateur

d. pterygoidien intern

21 / 60

តើលក្ខណៈសម្គាល់នៃវិចទ័រមានប៉ុន្មានយ៉ាង?

a. ៣ យ៉ាង

b. ៥ យ៉ាង

c. ៤ យ៉ាង

d. ២ យ៉ាង

22 / 60

តើ Muscles Propulseur មានមុខងារធ្វើអ្វី?

a. ធ្វើអោយឆ្អឹងថ្គាមក្រោមទាញទៅក្រោយ

b. ធ្វើអោយឆ្អឹងថ្គាមក្រោមរុញទៅមុខ

c. ធ្វើអោយមាត់បិតជិត

d. ធ្វើអោយមាត់បើក

23 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Prémolaire ប៉ុន្មាន?

a. ២-៤

b. ៤-៥

c. ៣-៥

d. ៣-៤

24 / 60

តើមួយណាជារូបមន្ដនៃច្បាប់ញូតុនទី២?

a. F=m×g

b. F=μ÷d

c. F=m×a

d. F=w÷d

25 / 60

How many phases of the Chewing cycle?:

a. 3

b. 5

c. 2

d. 4

26 / 60

តើ mecanique masticatoire ជាប្រព័ន្ធនៃការធ្វើចលនារវាងឆ្អឹងអ្វីខ្លះ?

a. ឆ្អឹងថ្គាមក្រោម ឆ្អឹងថ្គាមលើ និង articulation temporo mandibular

b. ឆ្អឹងថ្គាមលើ និង ឆ្អឹង Granio-facial

c. ឆ្អឹងថ្គាមក្រោម និង ឆ្អឹងថ្គាមលើ

d. ឆ្អឹងថ្គាមក្រោម និង ឆ្អឹង Granio-facial

27 / 60

What does the muscle A in the picture called?:

a. Posterior digastric

b. Suprayoid muscle

c. Temporalis muscle

d. Masseter muscle

28 / 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. Distobuccal groove

b. Mesiobuccal surface

c. Mesial Surface

d. Transverse groove

29 / 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 planning stage

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

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

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

30 / 60

In normal occlusion , with which grooves / surface of the permanent mandibular first molar does the mesiobuccal cusp of the permanent maxillary first molar occlude______________?

a. Mesiobuccal surface

b. Distobuccal groove

c. Mesial surface

d. Transverse groove

31 / 60

Achieving functional harmony in an environment of optimally healthy teeth, joints, periodontium, and
musculature, and in combination with the best possible esthetic result, is the essence of :

a. Occlusal concept

b. All of above

c. Patient Satisfaction

d. Complete dentistry

32 / 60

Centric occlusion happened when :

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

b. All above

c. Canine guided

d. the jaw joint in a adapt centric relation

33 / 60

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

a. All are inserted to the Maxillary

b. All are concerned un-biting and chewing

c. All of above

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

34 / 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. Articular pain

c. Temporomandibular disorder (TMD)

d. Occlusal disease

35 / 60

The maxillary teeth which have single antagonist are__________?

a. Third molars

b. Permanent central incisors

c. Permanent canines

d. Lateral incisors

36 / 60

តើសាច់ដុំអ្វីដែលធ្វើអោយចង្ការរុញទៅមុខ?

a. Propulseur

b. Abaisseur

c. Elevateur

d. Diduteur

37 / 60

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

a. Stabile occlusion

b. Non stable occlusion

c. Occlusal interferences

d. Occlusal Disharmony

38 / 60

When Canine guided:

a. Only canine is touching

b. Posterior tooth is touching

c. None off all above

d. All tooth is touching

39 / 60

ក្រាសធ្មេញ និង មាត់មានសារះប្រយោជន៍ប៉ុន្មានយ៉ាងធំៗ?

a. ៣ យ៉ាង

b. ៦ យ៉ាង

c. ៥ យ៉ាង

d. ២ យ៉ាង

40 / 60

តើ Plan horizontal ជាប្លង់ដូចម្ដេច?

a. ឈរ

b. ស្របនឹងប្លង់ Sagittal

c. ដេក

d. ទ្រេត

41 / 60

Types of Cusps:

a. Functional cusp and Non-centric cusp

b. Non-centric cusp

c. Functional cusp

d. None of all

42 / 60

In occlusion the teeth have_______________?

a. Surface to surface contact

b. Edge to edge contact

c. Cusp to cusp contact

d. Marginal contact

43 / 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. Distal ridge of the cusp of mandibular canine

d. Incisal embrasure of canine and premolar

44 / 60

តើតាមខ្នាតអន្ដរជាតិ កម្លាំងវិចទ័រគិតជាអ្វី?

a. ញូតុន (N)

b. វ៉ាត់

c. Kg

d. សេះ

45 / 60

តើ Coeficients នៃថ្គាមតូចទីពីរមានប៉ុន្មាន?

a. ៣

b. ៤-៦

c. ៤

d. ៦

46 / 60

តើ Muscles Abaisser មានមុខងារយ៉ាងដូចម្ដេច?

a. ធ្វើអោយមាត់បិតជិត

b. ធ្វើអោយមាត់វៀច

c. ធ្វើអោយចង្ការលយទៅមុខ

d. ធ្វើអោយមាត់ហារ

47 / 60

តើអ្វីទៅជា Plan d’occlusion?

a. ជាប្លង់កាត់តាម Bords Libres និង បណ្ដា កំពូល Cuspides នៃធ្មេញលើ

b. ជាប្លង់កាត់តាម Lingne median

c. ជា Plan Horizontal

d. ជា Plan Vestical

48 / 60

តើប្រដាប់ទំពារមានប៉ុន្មានផ្នែកសំខាន់ៗ?

a. ៣

b. ២

c. ៤

d. ៥

49 / 60

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

a. Laterotrusive contacts

b. Centric occlusion

c. Protrusive contacts

d. Rest position

50 / 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 temporalis bone, lower compartment between the disc and hyoid bone

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

51 / 60

the point of picture below is called :

a. Ideal Centric Contact

b. Centri occlusion

c. Vertical dimension

d. Centric relation

52 / 60

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

a. Retruded

b. Intruded

c. Extruded

d. Protruded

53 / 60

The functional cusps of Upper anterior teeth located at :

a. Mesial area

b. Buccal cusp

c. Distal area

d. Lingual area

54 / 60

Elevation movement of mandible caused by :

a. Lateral Pterygoid and Masseter

b. Lateral pterygoid assisted by Medial pterygoid

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

d. Temporalis, masseter, medial pterygoid

55 / 60

Facial occlusal line in the maxillary arch is formed by:

a. Centric holding cusps

b. Supporting cusps

c. Stamp cusps

d. Non-supporting cusps

56 / 60

The inner aspect of the capsule line :

a. Articular disc

b. Mandibular fossa

c. Synovial membrane

d. Lower join cavity

57 / 60

Masticatory system consists of net:

a. 1 main component

b. 2 main components

c. 4 main components

d. 3 main components

58 / 60

តើ Plan de comper ជាប្លង់ដូចម្ដេច?

a. ជាប្លង់ឈរ

b. ជាប្លង់ដែលកាត់តាមផ្នែកខាងលើនៃ Tragus និង ចំនុចមួយក្រោមច្រមុះ

c. កាត់តាមផ្នែកខាងលើនៃរន្ធត្រចៀក និង ផ្នែកខាងក្រោមនៃរន្ធគ្រាប់ភ្នែក

d. ជាប្លង់ដេក

59 / 60

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

a. Centric and Ecentric occlusion

b. Centric occlusion

c. Centric occlusion and centric relation

d. Centric relation

60 / 60

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

a. Sharp edge of dentin

b. Sharp edge of enamel

c. Smooth edge of enamel

d. Smooth edge of dentin

Your score is

The average score is 97%

Any comments?

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

និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត