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

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

a. Deciduous 2nd molar

b. Second premolar

c. None

d. First premolar

2 / 60

តើ Muscles Elevateurs មានមុខងារអ្វី?

a. ធ្វើអោយមាត់វៀច

b. ធ្វើអោយមាត់បិទ

c. ធ្វើអោយមាត់ស្ថិតក្នុងសភាពធម្មតា

d. ធ្វើអោយមាត់ហារ

3 / 60

Which one is INCORRECT statement of Masseter muscle? :

a. Is the strongest muscle in our bodies

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

c. All of above

d. Action: protection and mouth opening.

4 / 60

The 5 main mastication muscles are:

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

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

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

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

5 / 60

Abrasion is wear due to:

a. friction between a tooth and an exogenous agent such as Coke

b. friction between a tooth and an exogenous agent such as Bruxism

c. exogenous agent such as Coke and an exogenous agent such as Bruxism

d. friction between a tooth and an exogenous agent for example tooth brushing

6 / 60

Erosion is tooth surface loss due:

a. missed handling of tooth brushing

b. to chemical or electrochemical action. It can be endogenous or exogenous.

c. to chemical or electrochemical action. It can be only endogenous.

d. tooth-to-tooth friction

7 / 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

8 / 60

the point of picture below is called :

a. Ideal Centric Contact

b. Centri occlusion

c. Vertical dimension

d. Centric relation

9 / 60

Types of Cusps:

a. Non-centric cusp

b. Functional cusp and Non-centric cusp

c. Functional cusp

d. None of all

10 / 60

The maxillary teeth which have single antagonist are__________?

a. Lateral incisors

b. Permanent central incisors

c. Permanent canines

d. Third molars

11 / 60

The inner aspect of the capsule line :

a. Mandibular fossa

b. Lower join cavity

c. Articular disc

d. Synovial membrane

12 / 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. Patient Satisfaction

c. Complete dentistry

d. All of above

13 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Premier Molaire ប៉ុន្មាន?

a. ៤-៥

b. ៤-៦

c. ២-៤

d. ៣-៤

14 / 60

The INCORRECT statement of Maxillary fist molar:

a. Has 2 root

b. Tubercal Galabelly

c. Lingual functional cus

d. Eruption at the age of 6 years old

15 / 60

The Chewing cycle consists of 3 phase in order:

a. Opening, occlusal, and intercuspal phase

b. Occlusal or intercuspal, opening, and close

c. All of above

d. Opening, closing, and occlusal or intercuspal phase

16 / 60

Which one is the incorrect statement of the complete dentistry?:

a. Comfortable function

b. Maintainably healthy teeth

c. Uncomfortable function

d. Stable TMJs

17 / 60

Malocclusion is defined:

a. as the periodentium of the teeth

b. as the misaligament of the teeth

c. as the ligament of the teeth and jaws

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

18 / 60

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

a. Buccal side

b. Lingual side

c. Mesial side

d. Distal side

19 / 60

ក្រាសធ្មេញ និង មាត់មានសារះប្រយោជន៍ប៉ុន្មានយ៉ាងធំៗ?

a. ២ យ៉ាង

b. ៦ យ៉ាង

c. ៣ យ៉ាង

d. ៥ យ៉ាង

20 / 60

គ្រប់គ្រងចលនាសិរីរាង្គ ក្រាសធ្មេញ និង មាត់មានសារះប្រយោជន៍ប៉ុន្មានយ៉ាងធំៗ

a. ២ យ៉ាង

b. ៦ យ៉ាង

c. ៥ យ៉ាង

d. ៣ យ៉ាង

21 / 60

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

a. Predictable diagnosis, patient uncomforted, restoration longevity, occlusal stability, and accurate treatment plant.

b. Predictable diagnosis, patient comfort, restoration longevity, occlusal stability, and accurate treatment plant.

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

d. Predictable diagnosis, patient uncomforted, restorative longevity, occlusal stability and non-accurate treatment plant.

22 / 60

Which one is incorrect statement of Lateral Pterygoid muscle:

a. Action: Depress, protrude mandible

b. None all of above

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

d. Is also called Pterygoid Extern

23 / 60

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

a. Retruded

b. Protruded

c. Extruded

d. Intruded

24 / 60

តើ Plan de camper និង Plan d’occlusion មានស្ថានភាពយ៉ាងដូចម្ដេច?

a. កែងនិងគ្នា

b. ស្របគ្នា

c. គ្មានចម្លើយត្រឹមត្រូវ

d. ប្រសព្វគ្នា

25 / 60

តើកម្លាំងឆ្លើយតបស្ថិតនៅទីណា?

a. នៅលើសាច់ដុំទំពារ

b. នៅលើសន្លាក់ឆ្អឹងថ្គាម

c. នៅលើឆ្អឹងថ្គាមលើ

d. នៅលើឆ្អឹងថ្គាមក្រោម

26 / 60

តើ Plan sagittal មួយចែកសារពាង្គកាយយ៉ាងដូចម្ដេច?

a. ៣ចំណែកស្មើគ្នា

b. ចំណែកលើ និង ក្រោម

c. ចំណែកឆ្វេង និង ស្ដាំ

d. ចំណែកមុខ និង ក្រោយ

27 / 60

តើកម្លាំង Physio Mecanic ស្ថិតនៅទីណា?

a. នៅថ្គាមលើ

b. នៅលើថ្គាមក្រោម

c. នៅលើសន្លាក់ថ្គាម

d. នៅលើសាច់ដុំទំពារ

28 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Prémolaire ប៉ុន្មាន?

a. ២-៤

b. ៤-៥

c. ៣-៥

d. ៣-៤

29 / 60

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

a. Chewing efficiency

b. Soft tissue protection

c. Esthetics

d. Centric stability

30 / 60

When the conlyle-disk assemblies at most superior anterior portion as in the picture is defined as

a. Centric point

b. Centric relation

c. Centric Contact

d. Centric occlusion

31 / 60

តើ Hinge axis ជាបន្ទាត់យ៉ាងដូចម្ដេច?

a. ផ្ទៃខាងលើនៃរន្ធត្រចៀកឬាំងពី

b. កាត់តាមចំណុចកណ្ដាលនៃ Condyle ទាំងពីរ

c. Tragus ទាំងពីរ

d. Ala នៃច្រមុះ

32 / 60

The TMJ is:

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

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

c. a synovial mono-lateral 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)

33 / 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

34 / 60

តើ Plan sagittal មានស្ថានភាពដូចម្ដេច?

a. ជាចំណែកលើ និង ក្រោម

b. ពីឆ្វេងទៅស្ដាំ

c. ចំកណ្ដាលពីមុខទៅក្រោយ

d. ជាចំណែកមុខ និង ក្រោយ

35 / 60

The use of long–term retainers to maintain post–orthodontic tooth alignment could be dramatically reduced
if :

a. Tooth in perfect alignment

b. Perfect ligament and good retainer

c. Occlusal principles were better understood

d. it is a good retainer

36 / 60

តើចលនានៃការទំពារជាអ្វី ?

a. ជាសកម្មភាពដែលឆ្លើយតបទៅនឹងកម្លាំងទំពារ

b. ជាសកម្មភាពនៃក្រាសធ្មេញ

c. ជាសកម្មភាពរបស់សាច់ដុំ

d. ជាសកម្មភាពរបស់ថ្គាមក្រោម

37 / 60

Attrition is wear due to:

a. Chemical erosion

b. missed handling of tooth brushing.

c. Occlusal function

d. tooth-to-tooth friction

38 / 60

តើសាច់ដុំអ្វីដែលធ្វើអោយមាត់បើក?

a. pterygoidien

b. Elevateur

c. genio – hyoidien

d. Diduteur

39 / 60

Distobuccal cusp of 27 falls into:

a. Mesial pit of 37

b. Embrasure of 36 & 37

c. None of the above

d. Embrasure of 37 & 38

40 / 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, periodontium and alveolar bone

b. TMJs, Masticatory muscle, and periodontium

c. TMJs, Masticatory muscle, and alveolar bone

d. TMJs, Masticatory muscle, and occluding surface of the teeth

41 / 60

Desmodont is another name for_____________?

a. periodontal ligament

b. Tooth with three walled pocket

c. The tooth with one wall pocket

d. Dehiscence

42 / 60

Depression movement of mandible caused by :

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

b. Deep part of masseter and Digastric

c. Gravity, digastric, geniohyoid and mylohyoid muscle

d. Lateral pterygoid assisted by Medial pterygoid

43 / 60

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

a. 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.

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

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

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

44 / 60

In occlusion the teeth have:

a. Surface to surface contact

b. Edge to edge contact

c. Marginal contact

d. Cusp to cusp contact

45 / 60

តើលើក Akerman អោយ Confficient ចំពោះធ្មេញ Canine ប៉ុន្មាន?

a. ៤-៥

b. ៣-៥

c. ២-៤

d. ៣-៤

46 / 60

តើក្រាសធ្មេញ និង មាត់មានតួនាទីដូចម្ដេច?

a. ការពារសិរីរាង្គ

b. ទទួលចិញ្ចឹមសរីរាង្គទាំងមូល

c. បង្កើតជាលិកា

d. គ្រប់គ្រងចលនាសិរីរាង្គ

47 / 60

What are the phases of the chewing cycle?:

a. Opening phase and occlusal phase

b. Opening Phase and Closing phase

c. Closing phase and intercuspal phase

d. Opening phase, closing phase and occlusal or intercuspal phase

48 / 60

The INCORRECT statement of mandibular fist molar:

a. Eruption at the age of 6 years old

b. as 4 cusps

c. Has 5 cusps

d. Buccal functional cusp

49 / 60

តើ Plan horizontal ជាប្លង់ដូចម្ដេច?

a. ស្របនឹងប្លង់ Sagittal

b. ដេក

c. ឈរ

d. ទ្រេត

50 / 60

តើគម្លាតរវាងធ្មេញមុខលើ និង ក្រោមហៅថា Espaceliber មានប្រវែងប៉ុន្មាន?

a. 2-3mm

b. 3-4mm

c. 1-2mm

d. 3-5mm

51 / 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. Non all of above

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

52 / 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 overload from a new restoration

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

c. a deflective incline interference or a vertical under load from a new restoration

d. a deflective incline interference or a vertical overload from a new restoration

53 / 60

តើត្រូវមានកម្លាំងយ៉ាងដូចម្ដេចដើម្បីដាក់ធ្មេញ Bridge ជាប់ល្អ?

a. កម្លាំងនៃធ្មេញបាត់ស្មើនឹងធ្មេញបង្គោល

b. កម្លាំងនៃធ្មេញបាត់ធំជាងឬស្មើនឹងធ្មេញបង្គោល

c. កម្លាំងដែលមានលើធ្មេញបាត់ធំជាងធ្មេញបង្គោល

d. កម្លាំងដែលមាននៅលើធ្មេញបាត់ត្រូវតូចជាងឬស្មើ ធ្មេញបង្គោល

54 / 60

Distobuccal cusp of 27 falls into ______________?

a. Embrasure of 37 & 38

b. Embrasure of 36 & 37

c. Mesial pit of 37

d. Immediately incisal to cingulam

55 / 60

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

a. Chewing efficiency

b. Soft tissue protection

c. Esthetics

d. Centric stability

56 / 60

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

a. All are concerned un-biting and chewing

b. All of above

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

d. All are inserted to the Maxillary

57 / 60

តើ Plan sagittal ជាប្លង់ដូចម្ដេច?

a. ស្របប្លង់ Occlusion

b. ទ្រេត

c. ឈរ

d. ដេក

58 / 60

តើ Coefficients នៃធ្មេញចង្គូមមានប៉ុន្មាន?

a. ៤

b. ២

c. ៦

d. ៣

59 / 60

There are 2 division of centric contact:

a. Buccal and lingual

b. Upper and lower

c. None of all above

d. Anterior and posterior centric contact

60 / 60

The functional cusps of upper posterior teeth located at :

a. Buccal cuspBuccal cusp

b. Lingual cusp

c. Mesial area

d. Distal area

Your score is

The average score is 0%

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត