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

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 occluding surface of the teeth

b. TMJs, Masticatory muscle, and periodontium

c. TMJs, Masticatory muscle, and alveolar bone

d. TMJs, periodontium and alveolar bone

2 / 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. Incisal embrasure of canine and premolar

c. Distal ridge of the cusp of mandibular canine

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

3 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Prémolaire ប៉ុន្មាន?

a. ៤-៥

b. ៣-៥

c. ២-៤

d. ៣-៤

4 / 60

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

a. Soft tissue protection

b. Centric stability

c. Esthetics

d. Chewing efficiency

5 / 60

Depression movement of mandible caused by :

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

b. Gravity, digastric, geniohyoid and mylohyoid muscle

c. Deep part of masseter and Digastric

d. Lateral pterygoid assisted by Medial pterygoid

6 / 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 zygomatic bone, lower compartment between disc and condyle

d. Upper compartment between the disc and temporalis bone, lower compartment between the disc and hyoid bone

7 / 60

តើ Coeficients នៃថ្គាមតូចទីពីរមានប៉ុន្មាន?

a. ៣

b. ៤

c. ៤-៦

d. ៦

8 / 60

តើ Hinge axis ជាបន្ទាត់យ៉ាងដូចម្ដេច?

a. Tragus ទាំងពីរ

b. កាត់តាមចំណុចកណ្ដាលនៃ Condyle ទាំងពីរ

c. ផ្ទៃខាងលើនៃរន្ធត្រចៀកឬាំងពី

d. Ala នៃច្រមុះ

9 / 60

What is A? :

a. Mandibular fossa

b. The articular disc

c. The articular capsule

d. Mandibular condyle

10 / 60

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

a. Lingual side

b. Mesial side

c. Buccal side

d. Distal side

11 / 60

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

a. Lingual area

b. Mesial area

c. Distal area

d. Buccal cusp

12 / 60

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

a. Pulp cavity disease

b. None of all

c. Pulpal hyperemia or tooth creak

d. Chronic pulpitist

13 / 60

តើ Plan sagittal មានស្ថានភាពដូចម្ដេច?

a. ពីឆ្វេងទៅស្ដាំ

b. ជាចំណែកលើ និង ក្រោម

c. ចំកណ្ដាលពីមុខទៅក្រោយ

d. ជាចំណែកមុខ និង ក្រោយ

14 / 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 buccal surface of upper maxillary incisor.

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

15 / 60

តើកម្លាំងទំពារជាកម្លាំងយ៉ាងដូចម្ដេច?

a. ជាកម្លាំងបានមកពីឆ្អឹងថ្គាមក្រោម និង សាច់ដុំទំពារ

b. ជាកម្លាំងបានមកពីឆ្អឹង Granio-facial និង សាច់ដុំទំពារ

c. ជាកម្លាំងបានមកពីឆ្អឹងថ្គាមលើ articulation temporo-mandibulaire

d. ជាកម្លាំងបានមកពីឆ្អឹងថ្គាមក្រោម articulation temporo-mandibulaire និង ជួយដោយកម្លាំងសាច់ដុំទំពារ

16 / 60

តើ Plan sagittal មួយចែកសារពាង្គកាយយ៉ាងដូចម្ដេច?

a. ចំណែកលើ និង ក្រោម

b. ចំណែកមុខ និង ក្រោយ

c. ៣ចំណែកស្មើគ្នា

d. ចំណែកឆ្វេង និង ស្ដាំ

17 / 60

តើមុខមាត់ដែល Hysmetrique មានសភាពយ៉ាងដូចម្ដេច?

a. សាច់ដុំគូ មានកម្លាំងប្រហាក់ប្រហែល

b. សាច់ដុំគូ មានកម្លាំងមិនស្មើគ្នា

c. សាច់ដុំគូ មានកម្លាំងស្របគ្នា

d. សាច់ដុំគូ មានកម្លាំងស្មើគ្នា

18 / 60

The role of functional cusps is :

a. None of all above

b. Sharing cusps

c. Main role of mastication

d. Quiding cusps

19 / 60

តើ Plan de comper ជាប្លង់ដូចម្ដេច?

a. ជាប្លង់ឈរ

b. ជាប្លង់ដែលកាត់តាមផ្នែកខាងលើនៃ Tragus និង ចំនុចមួយក្រោមច្រមុះ

c. កាត់តាមផ្នែកខាងលើនៃរន្ធត្រចៀក និង ផ្នែកខាងក្រោមនៃរន្ធគ្រាប់ភ្នែក

d. ជាប្លង់ដេក

20 / 60

In ideal intercuspation, maxillary canine articulates with:

a. Mandibular canine and 1st premolar

b. Mandibular canine and lateral incisor

c. Mandibular 1st premolar and 2nd premolar

d. Mandibular canine only

21 / 60

Masticatory system consists of net:

a. 1 main component

b. 4 main components

c. 2 main components

d. 3 main components

22 / 60

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

a. Lingual area

b. Buccal cusp

c. Distal area

d. Mesial area

23 / 60

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

a. Centric occlusion and centric relation

b. Centric and Ecentric occlusion

c. Centric relation

d. Centric occlusion

24 / 60

តើ Les muscles masticateurs មានមុខងារយ៉ាងដូចម្ដេច?

a. ធ្វើចលនានៃអណ្ដាត

b. ធ្វើចលនាទំពារនៃថ្គាមក្រោម

c. ធ្វើចលនាទំពារនៃថ្គាមលើ

d. ធ្វើចលនានៃបបូរមាត់

25 / 60

The INCORRECT statement of mandibular fist molar:

a. as 4 cusps

b. Buccal functional cusp

c. Has 5 cusps

d. Eruption at the age of 6 years old

26 / 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 Corrosion

b. Stress, Deformation and Friction

c. Stress, Eating, and Corrosion

d. Stress, Friction, and Corrosion

27 / 60

តើពពួកធ្មេញថ្គាមតូចនិងធំអាចទទួលរងនូវកម្លាំងពីមធ្យមទៅអតិបរិមាយ៉ាងដូចម្ដេច?

a. 30kg – 40kg

b. 20kg – 40kg

c. 40kg – 80kg

d. 40kg – 60kg

28 / 60

Desmodont is another name for_____________?

a. Tooth with three walled pocket

b. The tooth with one wall pocket

c. Dehiscence

d. periodontal ligament

29 / 60

Name of the line in the picture below :

a. Non-centric cusp

b. Curve of spee

c. Functional cusp

d. Curve of Wilson

30 / 60

3 point from Goal of complete dentistry :

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

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

c. Stable occlusion, No pain and Stable TMJs

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

31 / 60

តើមួយណាជារូបមន្ដនៃច្បាប់ញូតុនទី២?

a. F=m×g

b. F=m×a

c. F=w÷d

d. F=μ÷d

32 / 60

The Chewing cycle consists of 3 phase in order:

a. Occlusal or intercuspal, opening, and close

b. Opening, closing, and occlusal or intercuspal phase

c. All of above

d. Opening, occlusal, and intercuspal phase

33 / 60

The 4 main Muscle of Mastication muscles are:

a. Masseter, Temporalis, Medial pterigoid and Lateral pterigoid

b. Masseter, Temporalis, Medial pterigoid and Sphenomandibular

c. Temporalis, Medial pterigoid, Lateral pterigoid and Hyoid

d. Masseter, Temporalis, Sphenomadibular and Posterior digastric

34 / 60

Masticatory is a true system because:

a. It can work alone

b. Non all of above

c. It can’t work alone

d. All of above

35 / 60

តើ Luxations Temporo-mandibulaire មានផលលំបាកអ្វី?

a. ការចុករោយ ក្នុងសន្លាក់ឆ្អឹងថ្គាម

b. ការឈឺចាប់ក្នុងក្រាសធ្មេញលើ

c. ការឈឺចាប់ នៅក្នុងក្រាសធ្មេញក្រោម

d. ការចុករោយ សាច់ដុំ Temporal

36 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Deuxiéme Molaire ប៉ុន្មាន?

a. ៦

b. ៤

c. ៥

d. ៣

37 / 60

An articular disc separate the articular surfaces so 2 :

a. 3 cavities are present

b. 5 cavities are present

c. 4 cavities are present

d. 2 cavities are present

38 / 60

កម្លាំងទំពារជាអ្វី?

a. ជាសកម្មភាពនៃឆ្អឹងថ្គាម

b. ជាចលនា

c. ជាសកម្មភាពរបស់សាច់ដុំទំពារ

d. ជាបុព្វហេតុដើមនៃចលនាទំពារ

39 / 60

The functional cusps of Upper anterior teeth located at :

a. Buccal cusp

b. Lingual area

c. Mesial area

d. Distal area

40 / 60

Over jet is defined as______________?

a. Horizontal overlap

b. Vertical overlap

c. All the above

d. Transverse plane discrepancy

41 / 60

Which is a true statement about Temporalis muscle? :

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

b. Is the strongest muscle in our bodies

c. Is the weakness muscle in our bodies

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

42 / 60

Centric occlusion happened when :

a. All above

b. Canine guided

c. the jaw joint in a adapt centric relation

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

43 / 60

តើ Plan de camper និង Plan d’occlusion មានស្ថានភាពយ៉ាងដូចម្ដេច?

a. គ្មានចម្លើយត្រឹមត្រូវ

b. កែងនិងគ្នា

c. ប្រសព្វគ្នា

d. ស្របគ្នា

44 / 60

The key to occlusion is_______________?

a. Maxillary primary first molar

b. Maxillary permanent first molar

c. Maxillary permanent second molar

d. Maxillary primary second molar

45 / 60

The 5 main mastication muscles are:

a. sseter, temporalis, Medial Pterygoid, Lateral Pterygoid, and Digastric

b. Masseter, Mylohyoid, Medial Pterygoid, Lateral Pterygoid, and Digastric

c. Masseter, temporalis, Medial Pterygoid, Lateral Pterygoid, and Stylohyoid

d. Masseter, Mylohyoid, Medial Pterygoid, Lateral Pterygoid, and Stylohyoid

46 / 60

What does the muscle A in the picture called?:

a. Temporalis

b. Spenomandibular

c. Masseter

d. Lateral Pterigoid

47 / 60

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

a. Distal side

b. Lingual side

c. Mesial side

d. Buccal side

48 / 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. Signe

b. Disease and Signe

c. Disease

d. Symptom

49 / 60

តើតាមទ្រឹស្ដីរបស់លោក Duchange Coefficient របស់ Incisive Central Superior ប៉ុន្មាន?

a. ៤-៦

b. ២

c. ៤

d. ៣

50 / 60

The INCORRECT statement of Maxillary fist molar:

a. Has 2 root

b. Eruption at the age of 6 years old

c. Lingual functional cus

d. Tubercal Galabelly

51 / 60

Curve passing through the buccal and lingual cusp tips of the mandibular buccal teeth is:

a. Wilson curve

b. Curve of Spee

c. Catenary curve

d. Monson curve

52 / 60

Name of the line in the picture below :

a. Curve of spee

b. Curve of Wilson

c. Non-centric cusp

d. Functional cusp

53 / 60

This picture show of unstable dental occlusion which is cause

a. Orthodontic treatment

b. Anterior interferences

c. Posteror interferences

d. Muscle

54 / 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 a correctable occlusal disharmony.

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

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

55 / 60

TMJ articulation anatomy consist of :

a. 6 main parts

b. 4 main parts

c. 5 main parts

d. 3 main parts

56 / 60

តើកម្លាំងអ្វីដែលធ្វើអោយថ្គាមក្រោមមានចលនា?

a. កម្លាំងមធ្យម

b. កម្លាំងឆ្លើយតប

c. កម្លាំងអតិបរមា

d. កម្លាំង Physio mechanic

57 / 60

Desmodont is another name for:

a. Dehiscence

b. Periodontal ligament

c. Tooth with three walled pocket

d. The tooth with one wall pocket

58 / 60

តើតាមលោក Duchange Coefficient នៃធ្មេញលេខ ៣៦ ប៉ុន្មាន?

a. ៣

b. ៦

c. ២

d. ៤

59 / 60

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

a. Centric stability

b. Esthetics

c. Soft tissue protection

d. Chewing efficiency

60 / 60

តើ Plan horizontal ពុះសារពាង្គកាយយ៉ាងដូចម្ដេច?

a. ពីលើចុះក្រោម

b. ជាចំណែកឆ្វេង និង ស្ដាំ

c. ជាចំណែកលើ និង ក្រោម

d. ជាចំណែកមុខ និង ក្រោយ

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត