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

តើ Muscles elévateur ជាសាច់ដុំដែលមានមុខងារដូចម្ដេច?

a. លើកថ្គាមក្រោមឡើង

b. រុញចង្គោមទៅក្រោយ

c. ទំលាក់ថ្គាមចុះក្រោម

d. រុញចង្គោមទៅមុខ

2 / 60

តើកម្លាំងវិចទ័រខុសគ្នាត្រង់ណា?

a. ត្រង់ម៉ូឌុល

b. ត្រង់មុំ

c. ត្រង់គល់វិចទ័រ

d. ត្រង់ទិស

3 / 60

The INCORRECT statement of Maxillary fist molar:

a. Tubercal Galabelly

b. Lingual functional cus

c. Eruption at the age of 6 years old

d. Has 2 root

4 / 60

តើ Coeficients នៃថ្គាមតូចទីពីរមានប៉ុន្មាន?

a. ៤-៦

b. ៣

c. ៤

d. ៦

5 / 60

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

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

b. All are concerned un-biting and chewing

c. All are inserted to the Maxillary

d. All of above

6 / 60

តើមុខមាត់ដែល Hysmetrique មានសភាពយ៉ាងដូចម្ដេច?

a. សាច់ដុំគូ មានកម្លាំងមិនស្មើគ្នា

b. សាច់ដុំគូ មានកម្លាំងប្រហាក់ប្រហែល

c. សាច់ដុំគូ មានកម្លាំងស្មើគ្នា

d. សាច់ដុំគូ មានកម្លាំងស្របគ្នា

7 / 60

The stress of microtrauma might cause :

a. Periodental tissue break down and pocket formation

b. Tooth creak and plaque formation

c. Dental caries and Tooth creak

d. Tooth mobility and dental caries

8 / 60

How many phases of the Chewing cycle?:

a. 5

b. 3

c. 2

d. 4

9 / 60

តើ Plan de camper និង Plan d’occlusion មានស្ថានភាពយ៉ាងដូចម្ដេច?

a. ប្រសព្វគ្នា

b. ស្របគ្នា

c. គ្មានចម្លើយត្រឹមត្រូវ

d. កែងនិងគ្នា

10 / 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.

11 / 60

ក្រាសធ្មេញ និង មាត់មានសារះប្រយោជន៍ប៉ុន្មានយ៉ាងធំៗ?

a. ២ យ៉ាង

b. ៦ យ៉ាង

c. ៣ យ៉ាង

d. ៥ យ៉ាង

12 / 60

The maxillary teeth which have single antagonist are:

a. Permanent central incisors

b. Permanent canines

c. Lateral incisors

d. Third molars

13 / 60

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

a. Protrusive contacts

b. Laterotrusive contacts

c. Rest position

d. Centric occlusion

14 / 60

Destroyed Dentition is one of the most demanding occlusal problems to treat, delay of treatment might
result in :

a. wear, elongated alveolar processes and fractured mandibular teeth

b. severe wear, fractured maxillary, and elongated alveolar processes

c. wear, fractured maxillary and mandibular teeth,

d. severe wear, fractured maxillary and mandibular teeth, and elongated alveolar processes

15 / 60

Desmodont is another name for_____________?

a. Tooth with three walled pocket

b. periodontal ligament

c. Dehiscence

d. The tooth with one wall pocket

16 / 60

Patient lost their tooth in 2 ways:

a. Physical injury

b. Microtrauma and Macrotrauma

c. Microorganism and Trauma (microtrauma or physical injury)

d. Microorganism and Microtrauma

17 / 60

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

a. To determine the direction of maxillary movement

b. To secure stabilize the mandibular positions.

c. None all of

d. To move the mandible

18 / 60

The role of functional cusps is :

a. Quiding cusps

b. Main role of mastication

c. Sharing cusps

d. None of all above

19 / 60

តើពពួកធ្មេញថ្គាមតូចនិងធំអាចទទួលរងនូវកម្លាំងពីមធ្យមទៅអតិបរិមាយ៉ាងដូចម្ដេច?

a. 20kg – 40kg

b. 30kg – 40kg

c. 40kg – 80kg

d. 40kg – 60kg

20 / 60

What is A? :

a. The articular capsule

b. The articular disc

c. Mandibular condyle

d. Mandibular fossa

21 / 60

TMJ articulation anatomy consist of :

a. 5 main parts

b. 6 main parts

c. 4 main parts

d. 3 main parts

22 / 60

Masticatory is a true system because:

a. Non all of above

b. All of above

c. It can’t work alone

d. It can work alone

23 / 60

តើមាន Maxillaire ប៉ុន្មានដែលទ្រក្រាសធ្មេញ?

a. ១

b. ៣

c. ៤

d. ២

24 / 60

What are the parts of ecentric occlusion?:

a. None of all

b. Functional and Non-functional

c. Centric occlusion

d. Masseter

25 / 60

Desmodont is another name for:

a. Tooth with three walled pocket

b. Dehiscence

c. The tooth with one wall pocket

d. Periodontal ligament

26 / 60

What is A?:

a. Capsul

b. Sphenomandibular ligament

c. Lateral ligament

d. Stylomandibular ligament

27 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Dent de sagesse ប៉ុន្មាន?

a. ៥-៦

b. ២-៥

c. ៣-៤

d. ៤-៥

28 / 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

29 / 60

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

a. Lingual cusps of mandibular teeth

b. Grooves and embrasures

c. Occlusal pits and fissures of mandibular teeth

d. Fossa and rdges

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

b. a deflective incline interference or a vertical overload 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

31 / 60

តើកម្លាំងអ្វីដែលធ្វើអោយថ្គាមក្រោមមានចលនា?

a. កម្លាំងអតិបរមា

b. កម្លាំងឆ្លើយតប

c. កម្លាំង Physio mechanic

d. កម្លាំងមធ្យម

32 / 60

One noticeable characteristic of Abrasion which cause by tooth brushing is :

a. mainly seen on the buccal surface at cervical of the tooth

b. mainly seen on the lingual surface at cervical of the tooth

c. mainly seen on the occlusal surface of the tooth

d. mainly seen on the periodontium of the tooth

33 / 60

When doing anterior protrusion :

a. Lateral ligament

b. Sphenomandibular ligament

c. Capsul

d. Stylomandibular ligament

34 / 60

Lytle was the first to introduce the term occlusal disease. At that time, he defined it as the process resulting
in the noticeable loss or :

a. destruction of the buccal surfaces of the teeth.

b. destruction of the occluding surfaces of the teeth.

c. destruction of the mesial surface of the teeth.

d. destruction of the lingual surfaces of the teeth.

35 / 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 dentin

d. Smooth edge of enamel

36 / 60

3 point from Goal of complete dentistry :

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

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

c. Stable occlusion, No pain and Stable TMJs

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

37 / 60

The key to occlusion is_______________?

a. Maxillary permanent first molar

b. Maxillary permanent second molar

c. Maxillary primary second molar

d. Maxillary primary first molar

38 / 60

តើ Plan sagittal ជាប្លង់ដូចម្ដេច?

a. ឈរ

b. ស្របប្លង់ Occlusion

c. ទ្រេត

d. ដេក

39 / 60

តើចលនានៃការទំពារជាអ្វី?

a. ជាសកម្មភាពរបស់សាច់ដុំ

b. ជាសកម្មភាពដែលឆ្លើយតបទៅនឹងកម្លាំងទំពារ

c. ជាសកម្មភាពរបស់ថ្គាមក្រោម

d. ជាសកម្មភាពនៃក្រាសធ្មេញ

40 / 60

Stress from microtrauma results from:

a. Repeated occlusal overload

b. All of above

c. Root canal treated tooth

d. Accident and head injury

41 / 60

តើក្រាសធ្មេញ និង មាត់ មានតួនាទីដូចម្ដេច?

a. ការពារសរីរាង្គ

b. បង្កើតជាលិកា និង កោសិកា

c. ទទួលចិញ្ចឹមសរីរាង្គទាំងមូល

d. បង្កើតទំនាក់ទំនងក្នុងសរីរាង្គទាំងមូល

42 / 60

តើលក្ខណៈសម្គាល់នៃវិចទ័រមានប៉ុន្មានយ៉ាង?

a. ៣ យ៉ាង

b. ២ យ៉ាង

c. ៥ យ៉ាង

d. ៤ យ៉ាង

43 / 60

Facial occlusal line in the maxillary arch is formed by:

a. Supporting cusps

b. Non-supporting cusps

c. Stamp cusps

d. Centric holding cusps

44 / 60

The functional cusps of lower posterior teeth located at :

a. Distal area

b. Mesial area

c. Lingual cusp

d. Buccal cusp

45 / 60

តើ Muscles Abaisseurs ជា Muscles អ្វី?

a. pterygoidien intern

b. temporal

c. Masticateur

d. Masseter

46 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Premier Molaire ប៉ុន្មាន?

a. ២-៤

b. ៤-៦

c. ៤-៥

d. ៣-៤

47 / 60

Periodontium consist of :

a. Alveolar bone, Cementum, and dental ligament

b. Alveolar bone, Muscle, and dental ligament

c. Muscle, Dental ligament and Enamel

d. Alveolar bone, gingival, and dental ligament

48 / 60

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

a. Buccal slopes of lingual cusps of maxillary posterior teeth

b. All slopes of lingual cusps of mandibular posterior teeth

c. Buccals slopes of buccal cusps of maxillary posterior teeth

d. Lingual slopes of lingual cusps of mandibular posterior teeth

49 / 60

តើកម្លាំង Physio Mecanic ស្ថិតនៅទីណា?

a. នៅលើសន្លាក់ថ្គាម

b. នៅថ្គាមលើ

c. នៅលើថ្គាមក្រោម

d. នៅលើសាច់ដុំទំពារ

50 / 60

What is A?:

a. Stylomandibular ligament

b. Sphenomandibular ligament

c. Lateral ligament

d. Capsul

51 / 60

តើគម្លាតរវាងធ្មេញមុខលើ និង ក្រោមហៅថា Espaceliber មានប្រវែងប៉ុន្មាន?

a. 3-4mm

b. 2-3mm

c. 1-2mm

d. 3-5mm

52 / 60

តើត្រូវមានកម្លាំងយ៉ាងដូចម្ដេចដើម្បីដាក់ធ្មេញ Bridge ជាប់ល្អ?

a. កម្លាំងនៃធ្មេញបាត់ធំជាងឬស្មើនឹងធ្មេញបង្គោល

b. កម្លាំងដែលមាននៅលើធ្មេញបាត់ត្រូវតូចជាងឬស្មើ ធ្មេញបង្គោល

c. កម្លាំងដែលមានលើធ្មេញបាត់ធំជាងធ្មេញបង្គោល

d. កម្លាំងនៃធ្មេញបាត់ស្មើនឹងធ្មេញបង្គោល

53 / 60

When Canine guided:

a. Only canine is touching

b. Posterior tooth is touching

c. All tooth is touching

d. None off all above

54 / 60

The TMJ is:

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

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

55 / 60

តើ Luxations Temporo-mandibulaire មានផលលំបាកអ្វី?

a. ការចុករោយ សាច់ដុំ Temporal

b. ការឈឺចាប់ក្នុងក្រាសធ្មេញលើ

c. ការចុករោយ ក្នុងសន្លាក់ឆ្អឹងថ្គាម

d. ការឈឺចាប់ នៅក្នុងក្រាសធ្មេញក្រោម

56 / 60

Elevation movement of mandible caused by :

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

b. Temporalis, masseter, medial pterygoid

c. Lateral pterygoid assisted by Medial pterygoid

d. Lateral Pterygoid and Masseter

57 / 60

Which one is INCORRECT statement of Masseter muscle? :

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

b. Action: protection and mouth opening.

c. All of above

d. Is the strongest muscle in our bodies

58 / 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. Mesial ridge on the facial cusp of mandibular first premolar

c. Facial embrasure of canine and premolar

d. Distal ridge of the cusp of mandibular canine

59 / 60

តើចលនានៃការទំពារជាអ្វី ?

a. ជាសកម្មភាពរបស់សាច់ដុំ

b. ជាសកម្មភាពដែលឆ្លើយតបទៅនឹងកម្លាំងទំពារ

c. ជាសកម្មភាពរបស់ថ្គាមក្រោម

d. ជាសកម្មភាពនៃក្រាសធ្មេញ

60 / 60

តើ Muscles Abaisser មានមុខងារយ៉ាងដូចម្ដេច?

a. ធ្វើអោយមាត់បិតជិត

b. ធ្វើអោយមាត់ហារ

c. ធ្វើអោយមាត់វៀច

d. ធ្វើអោយចង្ការលយទៅមុខ

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត