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

Elevation movement of mandible caused by :

a. Lateral pterygoid assisted by Medial pterygoid

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

c. Lateral Pterygoid and Masseter

d. Temporalis, masseter, medial pterygoid

2 / 60

Curve of Wilson is:

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

b. a curve that contact the buccal

c. a curve that contact the lingual

d. a curve that contact the buccal and lingual

3 / 60

Over jet is defined as______________?

a. All the above

b. Vertical overlap

c. Horizontal overlap

d. Transverse plane discrepancy

4 / 60

The two cavities present when separate articular disc are:

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

b. Upper compartment between the disc and temporalis bone, lower compartment between the condyle and the disc

c. Upper compartment between the disc and condyle, lower compartment between the disc and temporalis bone

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

5 / 60

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

a. Soft tissue protection

b. Esthetics

c. Chewing efficiency

d. Centric stability

6 / 60

Distobuccal cusp of 27 falls into:

a. Embrasure of 37 & 38

b. Mesial pit of 37

c. None of the above

d. Embrasure of 36 & 37

7 / 60

តើ Plan de Francfort កាត់តាមណា?

a. កាត់តាមគែមលើរន្ធត្រចៀក និង គែមក្រោមនៃរន្ធភ្នែក

b. កាត់តាមបណ្ដា Cuspide

c. កាត់តាម Tragius និង ផ្នែកខាងក្រោមច្រមុះ

d. កាត់តាម Lingne median

8 / 60

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

a. Retruded

b. Extruded

c. Protruded

d. Intruded

9 / 60

Retraction movement of Mandible caused by :

a. Lateral pterygoid assisted by Medial pterygoid

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

c. Masseter

d. Masseter

10 / 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 not 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 adhered to the treatment stage

11 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Prémolaire ប៉ុន្មាន?

a. ៤-៥

b. ២-៤

c. ៣-៤

d. ៣-៥

12 / 60

តើលក្ខណៈសម្គាល់នៃវិចទ័រមានប៉ុន្មានយ៉ាង?

a. ៥ យ៉ាង

b. ២ យ៉ាង

c. ៤ យ៉ាង

d. ៣ យ៉ាង

13 / 60

The maxillary teeth which have single antagonist are__________?

a. Lateral incisors

b. Permanent canines

c. Third molars

d. Permanent central incisors

14 / 60

Depression movement of mandible caused by :

a. Deep part of masseter and Digastric

b. Lateral pterygoid assisted by Medial pterygoid

c. Gravity, digastric, geniohyoid and mylohyoid muscle

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

15 / 60

At the age of nine years, the mandibular permanent first molar has its distal contact with which of the following teeth?

a. None

b. Deciduous 2nd molar

c. Second premolar

d. First premolar

16 / 60

តើកម្លាំងទំពារជាកម្លាំងយ៉ាងដូចម្ដេច?

a. ជាកម្លាំងបានមកពីឆ្អឹង Granio-facial និង សាច់ដុំទំពារ

b. ជាកម្លាំងបានមកពីឆ្អឹងថ្គាមក្រោម articulation temporo-mandibulaire និង ជួយដោយកម្លាំងសាច់ដុំទំពារ

c. ជាកម្លាំងបានមកពីឆ្អឹងថ្គាមលើ articulation temporo-mandibulaire

d. ជាកម្លាំងបានមកពីឆ្អឹងថ្គាមក្រោម និង សាច់ដុំទំពារ

17 / 60

តើលើក Akerman អោយ Confficient ចំពោះធ្មេញ Canine ប៉ុន្មាន?

a. ៣-៤

b. ៤-៥

c. ៣-៥

d. ២-៤

18 / 60

តើ Luxations Temporo-mandibulaire មានផលលំបាកអ្វី?

a. ការឈឺចាប់ នៅក្នុងក្រាសធ្មេញក្រោម

b. ការចុករោយ ក្នុងសន្លាក់ឆ្អឹងថ្គាម

c. ការចុករោយ សាច់ដុំ Temporal

d. ការឈឺចាប់ក្នុងក្រាសធ្មេញលើ

19 / 60

តើតាមទ្រឹស្ដីរបស់លោក Duchange Coefficient របស់ Incisive Central Superior ប៉ុន្មាន?

a. ៣

b. ៤

c. ២

d. ៤-៦

20 / 60

In occlusion the teeth have_______________?

a. Surface to surface contact

b. Marginal contact

c. Cusp to cusp contact

d. Edge to edge contact

21 / 60

The maxillary teeth which have single antagonist are:

a. Third molars

b. Permanent canines

c. Lateral incisors

d. Permanent central incisors

22 / 60

តើធ្មេញដែលមានសកម្មភាពរស់រវើកបានដោយសារអ្វី?

a. tendon

b. articulation

c. ligament

d. Alvéolaire

23 / 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, no clinical attachment loss and less radiographic bone support and non-mobile teeth

c. Deeper probing depth, more clinical attachment loss and less radiographic bone support and non-mobile teeth.

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

24 / 60

The incisal edges and the incisal thirds of facial surfaces of mandibular incisors and canines generally oppose lingual surfaces of maxillary incisor and canines _____________?

a. Within the incisor thirds

b. Immediately incisal to cingulam

c. At the junction of middle and cervical thirds

d. At the linguo cervical ridges

25 / 60

How many phases of the Chewing cycle?:

a. 2

b. 3

c. 4

d. 5

26 / 60

តើកម្លាំងអ្វីដែលធ្វើអោយថ្គាមក្រោមមានចលនា?

a. កម្លាំងអតិបរមា

b. កម្លាំងឆ្លើយតប

c. កម្លាំងមធ្យម

d. កម្លាំង Physio mechanic

27 / 60

តើក្រាសធ្មេញ និង មាត់ មានតួនាទីដូចម្ដេច?

a. ទទួលចិញ្ចឹមសរីរាង្គទាំងមូល

b. បង្កើតជាលិកា និង កោសិកា

c. បង្កើតទំនាក់ទំនងក្នុងសរីរាង្គទាំងមូល

d. ការពារសរីរាង្គ

28 / 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

29 / 60

Masticatory system consists of net:

a. 4 main components

b. 3 main components

c. 2 main components

d. 1 main component

30 / 60

តើ Les muscles masticateurs មានមុខងារយ៉ាងដូចម្ដេច?

a. ធ្វើចលនាទំពារនៃថ្គាមក្រោម

b. ធ្វើចលនាទំពារនៃថ្គាមលើ

c. ធ្វើចលនានៃបបូរមាត់

d. ធ្វើចលនានៃអណ្ដាត

31 / 60

Masticatory is a true system because:

a. Non all of above

b. It can’t work alone

c. It can work alone

d. All of above

32 / 60

What is A?:

a. Sphenomandibular ligament

b. Stylomandibular ligament

c. Capsul

d. Lateral ligament

33 / 60

តើ Plan sagittal មានស្ថានភាពដូចម្ដេច?

a. ជាចំណែកមុខ និង ក្រោយ

b. ជាចំណែកលើ និង ក្រោម

c. ចំកណ្ដាលពីមុខទៅក្រោយ

d. ពីឆ្វេងទៅស្ដាំ

34 / 60

What is A? :

a. Mandibular fossa

b. The articular capsule

c. Mandibular condyle

d. The articular disc

35 / 60

What was the “Physical injury” called?

a. Trauma

b. Macrotrauma

c. Microtrauma

d. Microorganism

36 / 60

តើមួយណាជារូបមន្ដនៃច្បាប់ញូតុនទី២?

a. F=m×g

b. F=m×a

c. F=μ÷d

d. F=w÷d

37 / 60

តើត្រូវមានកម្លាំងយ៉ាងដូចម្ដេចដើម្បីដាក់ធ្មេញ Bridge ជាប់ល្អ?

a. កម្លាំងដែលមានលើធ្មេញបាត់ធំជាងធ្មេញបង្គោល

b. កម្លាំងដែលមាននៅលើធ្មេញបាត់ត្រូវតូចជាងឬស្មើ ធ្មេញបង្គោល

c. កម្លាំងនៃធ្មេញបាត់ស្មើនឹងធ្មេញបង្គោល

d. កម្លាំងនៃធ្មេញបាត់ធំជាងឬស្មើនឹងធ្មេញបង្គោល

38 / 60

តើ Biomecanic ជាអ្វី?

a. ជាការសិក្សាពីក្រាស់ធ្មេញ

b. ជាការសិក្សាពីមាត់

c. ជាការសិក្សាពីសន្លាក់

d. ជាការសិក្សាពីប្រព័ន្ធចលនានៃការទំពារ

39 / 60

What are the parts of ecentric occlusion?:

a. Functional and Non-functional

b. Centric occlusion

c. Masseter

d. None of all

40 / 60

The differences between Causative factor and contributing factor :

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

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

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

41 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Deuxiéme Molaire ប៉ុន្មាន?

a. ៣

b. ៤

c. ៦

d. ៥

42 / 60

Centric occlusion happened when :

a. Canine guided

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

c. the jaw joint in a adapt centric relation

d. All above

43 / 60

Facial occlusal line in the maxillary arch is formed by:

a. Non-supporting cusps

b. Supporting cusps

c. Centric holding cusps

d. Stamp cusps

44 / 60

The masticatory system, a functional unit of the body is primarily responsible for:

a. Chewing, speaking and swallowing

b. Chewing, opening and swallowing

c. Speaking, swallowing and opening

d. ewing, closing and speaking

45 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Dent de sagesse ប៉ុន្មាន?

a. ៤-៥

b. ៣-៤

c. ៥-៦

d. ២-៥

46 / 60

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

a. Catenary curve

b. Wilson curve

c. Monson curve

d. Curve of Spee

47 / 60

Chewing circle has :

a. 4 Phases

b. 5 Phases

c. 2 Phases

d. 3 Phases

48 / 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.

49 / 60

What does the muscle A in the picture called?:

a. Temporalis

b. Spenomandibular

c. Lateral Pterigoid

d. Masseter

50 / 60

Occlusal disease is :

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

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

c. most commonly missed diagnosis, stability of root canal 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

51 / 60

គ្រប់គ្រងចលនាសិរីរាង្គ ក្រាសធ្មេញ និង មាត់មានសារះប្រយោជន៍ប៉ុន្មានយ៉ាងធំៗ

a. ៦ យ៉ាង

b. ៣ យ៉ាង

c. ២ យ៉ាង

d. ៥ យ៉ាង

52 / 60

The role of Non-functional cusps is :

a. All above

b. food sharing

c. guiding cusp

d. protection from check biting

53 / 60

the point of picture below is called :

a. Centric relation

b. Ideal Centric Contact

c. Vertical dimension

d. Centri occlusion

54 / 60

The functional cusps of lower posterior teeth located at :

a. Distal area

b. Buccal cusp

c. Mesial area

d. Lingual cusp

55 / 60

The functional cusps of upper posterior teeth located at :

a. Mesial area

b. Buccal cuspBuccal cusp

c. Lingual cusp

d. Distal area

56 / 60

តើកម្លាំងឆ្លើយតបស្ថិតនៅទីណា?

a. នៅលើសាច់ដុំទំពារ

b. នៅលើឆ្អឹងថ្គាមក្រោម

c. នៅលើសន្លាក់ឆ្អឹងថ្គាម

d. នៅលើឆ្អឹងថ្គាមលើ

57 / 60

Patients lose their teeth in:

a. 2 ways

b. 3 ways

c. 1 way

d. 4 ways

58 / 60

What is A?:

a. Stylomandibular ligament

b. Sphenomandibular ligament

c. Capsul

d. Lateral ligament

59 / 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

60 / 60

តើ Espace liber ជាគម្លាតអ្វី?

a. Distal ទៅ Mesial នៃធ្មេញ Central

b. បបូរមាត់លើ និងក្រោម

c. ធ្មេញមុខលើ និង ក្រោម

d. ពីធ្មេញមួយ ទៅធ្មេញមួយ

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