Dental Occlusion Test

2 votes, 5 avg

113

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*

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1 / 60

The very best, most naturally beautiful esthetics does not require guesswork if :

a. the relationship between anatomic harmony and functional harmony is not understood

b. patient’s satisfaction is well understood

c. the relationship between materials of choice is understood

d. the relationship between anatomic harmony and functional harmony is understood

2 / 60

The Chewing cycle consists of 3 phase in order:

a. All of above

b. Occlusal or intercuspal, opening, and close

c. Opening, occlusal, and intercuspal phase

d. Opening, closing, and occlusal or intercuspal phase

3 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Premier Molaire ប៉ុន្មាន?

a. ២-៤

b. ៤-៦

c. ៤-៥

d. ៣-៤

4 / 60

Attrition is wear due to:

a. tooth-to-tooth friction

b. missed handling of tooth brushing.

c. Occlusal function

d. Chemical erosion

5 / 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. Mesial Surface

b. Transverse groove

c. Distobuccal groove

d. Mesiobuccal surface

6 / 60

Patients lose their teeth in:

a. 2 ways

b. 1 way

c. 3 ways

d. 4 ways

7 / 60

Abrasion is wear due to:

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

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

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

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

8 / 60

តើ Muscles Diduteurs មានមុខងារធ្វើអ្វី?

a. ធ្វើអោយមាត់បិត

b. ធ្វើអោយមាត់ចំហ

c. ធ្វើអោយចង្ការទាញថយក្រោយ

d. ធ្វើអោយចង្ការរុញទៅមុខ

9 / 60

The two cavities present when separate articular disc are:

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

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

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

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

10 / 60

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

a. All of above

b. All are inserted to the Maxillary

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

d. All are concerned un-biting and chewing

11 / 60

Curve of Wilson is:

a. a curve that contact the buccal and lingual

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

c. a curve that contact the lingual

d. a curve that contact the buccal

12 / 60

តើត្រូវមានកម្លាំងយ៉ាងដូចម្ដេចដើម្បីដាក់ធ្មេញ Bridge ជាប់ល្អ?

a. កម្លាំងនៃធ្មេញបាត់ស្មើនឹងធ្មេញបង្គោល

b. កម្លាំងនៃធ្មេញបាត់ធំជាងឬស្មើនឹងធ្មេញបង្គោល

c. កម្លាំងដែលមាននៅលើធ្មេញបាត់ត្រូវតូចជាងឬស្មើ ធ្មេញបង្គោល

d. កម្លាំងដែលមានលើធ្មេញបាត់ធំជាងធ្មេញបង្គោល

13 / 60

តើធ្មេញដែលមានសកម្មភាពរស់រវើកបានដោយសារអ្វី?

a. tendon

b. Alvéolaire

c. articulation

d. ligament

14 / 60

In the intercuspal position, the lingual cusp of maxillary 2nd premolar contacts the:

a. Mesial fossa of mandibular 1st molar

b. Distal marginal ridge of mandibular 1st premolar

c. Distal fossa of mandibular 2nd premolar

d. Distal marginal ridge of mandibular 2nd molar

15 / 60

តើ Espace liber ជាគម្លាតអ្វី?

a. ធ្មេញមុខលើ និង ក្រោម

b. បបូរមាត់លើ និងក្រោម

c. Distal ទៅ Mesial នៃធ្មេញ Central

d. ពីធ្មេញមួយ ទៅធ្មេញមួយ

16 / 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

17 / 60

Desmodont is another name for:

a. Periodontal ligament

b. Dehiscence

c. The tooth with one wall pocket

d. Tooth with three walled pocket

18 / 60

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

a. Fossa and rdges

b. Occlusal pits and fissures of mandibular teeth

c. Lingual cusps of mandibular teeth

d. Grooves and embrasures

19 / 60

កម្លាំងទំពារជាអ្វី?

a. ជាសកម្មភាពរបស់សាច់ដុំទំពារ

b. ជាសកម្មភាពនៃឆ្អឹងថ្គាម

c. ជាចលនា

d. ជាបុព្វហេតុដើមនៃចលនាទំពារ

20 / 60

What is symptom?:

a. Symptom can’t defined as one of the characters of disease.

b. Symptom is what a patient experience

c. Symptom is what a patient see.

d. Symptom is what a doctor see.

21 / 60

Erosion is tooth surface loss due:

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

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

c. tooth-to-tooth friction

d. missed handling of tooth brushing

22 / 60

តើ Plan sagittal មានស្ថានភាពដូចម្ដេច?

a. ជាចំណែកលើ និង ក្រោម

b. ចំកណ្ដាលពីមុខទៅក្រោយ

c. ជាចំណែកមុខ និង ក្រោយ

d. ពីឆ្វេងទៅស្ដាំ

23 / 60

Stress from microtrauma results from:

a. Accident and head injury

b. Repeated occlusal overload

c. All of above

d. Root canal treated tooth

24 / 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. Complete dentistry

b. All of above

c. Occlusal concept

d. Patient Satisfaction

25 / 60

Distobuccal cusp of 27 falls into ______________?

a. Embrasure of 37 & 38

b. Embrasure of 36 & 37

c. Immediately incisal to cingulam

d. Mesial pit of 37

26 / 60

Name of the line in the picture below :

a. Curve of Wilson

b. Functional cusp

c. Non-centric cusp

d. Curve of spee

27 / 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

28 / 60

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

a. wear, fractured maxillary and mandibular teeth,

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

c. wear, elongated alveolar processes and fractured mandibular teeth

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

29 / 60

តើ Muscles Propulseur មានមុខងារធ្វើអ្វី?

a. ធ្វើអោយមាត់បើក

b. ធ្វើអោយឆ្អឹងថ្គាមក្រោមទាញទៅក្រោយ

c. ធ្វើអោយមាត់បិតជិត

d. ធ្វើអោយឆ្អឹងថ្គាមក្រោមរុញទៅមុខ

30 / 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

31 / 60

The role of Non-functional cusps is :

a. food sharing

b. guiding cusp

c. protection from check biting

d. All above

32 / 60

តើ Plan horizontal ពុះសារពាង្គកាយយ៉ាងដូចម្ដេច?

a. ពីលើចុះក្រោម

b. ជាចំណែកលើ និង ក្រោម

c. ជាចំណែកមុខ និង ក្រោយ

d. ជាចំណែកឆ្វេង និង ស្ដាំ

33 / 60

តើ Plan de camper និង Plan d’occlusion មានស្ថានភាពយ៉ាងដូចម្ដេច?

a. គ្មានចម្លើយត្រឹមត្រូវ

b. ប្រសព្វគ្នា

c. កែងនិងគ្នា

d. ស្របគ្នា

34 / 60

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

a. Centric occlusion

b. Centric Contact

c. Centric point

d. Centric relation

35 / 60

Group function occlusion is common in:?

a. Edentulous patients

b. 10-14 years

c. 15-25 years

d. Above 30 years

36 / 60

តើតាមលោក Duchange Coefficient នៃធ្មេញលេខ ៣៦ ប៉ុន្មាន?

a. ៦

b. ២

c. ៣

d. ៤

37 / 60

In occlusion the teeth have_______________?

a. Edge to edge contact

b. Cusp to cusp contact

c. Surface to surface contact

d. Marginal contact

38 / 60

តើ Muscles Abaisser មានមុខងារយ៉ាងដូចម្ដេច?

a. ធ្វើអោយមាត់ហារ

b. ធ្វើអោយមាត់វៀច

c. ធ្វើអោយចង្ការលយទៅមុខ

d. ធ្វើអោយមាត់បិតជិត

39 / 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. Facial embrasure of canine and premolar

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

d. Distal ridge of the cusp of mandibular canine

40 / 60

What is the right statement of Fremitus? :

a. Fremitus is almost always late step of a correctable occlusal disharmony.

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

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

d. Fremitus is almost always an early sign of an uncorrectable occlusal disharmony.

41 / 60

Occlusal disease is :

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

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

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

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

42 / 60

តើ Hinge axis ជាបន្ទាត់យ៉ាងដូចម្ដេច?

a. ផ្ទៃខាងលើនៃរន្ធត្រចៀកឬាំងពី

b. Tragus ទាំងពីរ

c. កាត់តាមចំណុចកណ្ដាលនៃ Condyle ទាំងពីរ

d. Ala នៃច្រមុះ

43 / 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. Immediately incisal to cingulam

b. At the junction of middle and cervical thirds

c. At the linguo cervical ridges

d. Within the incisor thirds

44 / 60

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

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

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

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

d. 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.

45 / 60

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

a. Retruded

b. Extruded

c. Intruded

d. Protruded

46 / 60

តើ mecanique masticatoire ជាប្រព័ន្ធនៃការធ្វើចលនារវាងឆ្អឹងអ្វីខ្លះ?

a. ឆ្អឹងថ្គាមក្រោម ឆ្អឹងថ្គាមលើ និង articulation temporo mandibular

b. ឆ្អឹងថ្គាមក្រោម និង ឆ្អឹង Granio-facial

c. ឆ្អឹងថ្គាមក្រោម និង ឆ្អឹងថ្គាមលើ

d. ឆ្អឹងថ្គាមលើ និង ឆ្អឹង Granio-facial

47 / 60

Facial occlusal line in the maxillary arch is formed by:

a. Supporting cusps

b. Centric holding cusps

c. Non-supporting cusps

d. Stamp cusps

48 / 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 mesial surface of the teeth.

b. destruction of the lingual surfaces of the teeth.

c. destruction of the occluding surfaces of the teeth.

d. destruction of the buccal surfaces of the teeth.

49 / 60

តើក្រាសធ្មេញ និង មាត់ មានតួនាទីដូចម្ដេច?

a. បង្កើតជាលិកា និង កោសិកា

b. ទទួលចិញ្ចឹមសរីរាង្គទាំងមូល

c. បង្កើតទំនាក់ទំនងក្នុងសរីរាង្គទាំងមូល

d. ការពារសរីរាង្គ

50 / 60

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

a. Curve of Spee

b. Monson curve

c. Wilson curve

d. Catenary curve

51 / 60

តើ Muscles Elevateurs មានមុខងារអ្វី?

a. ធ្វើអោយមាត់ហារ

b. ធ្វើអោយមាត់វៀច

c. ធ្វើអោយមាត់ស្ថិតក្នុងសភាពធម្មតា

d. ធ្វើអោយមាត់បិទ

52 / 60

What is A? :

a. Mandibular condyle

b. Mandibular fossa

c. The articular disc

d. The articular capsule

53 / 60

The INCORRECT statement of mandibular fist molar:

a. Eruption at the age of 6 years old

b. Has 5 cusps

c. Buccal functional cusp

d. as 4 cusps

54 / 60

តើ Les muscles masticateurs មានមុខងារយ៉ាងដូចម្ដេច?

a. ធ្វើចលនាទំពារនៃថ្គាមក្រោម

b. ធ្វើចលនានៃបបូរមាត់

c. ធ្វើចលនាទំពារនៃថ្គាមលើ

d. ធ្វើចលនានៃអណ្ដាត

55 / 60

Distobuccal cusp of 27 falls into:

a. None of the above

b. Mesial pit of 37

c. Embrasure of 37 & 38

d. Embrasure of 36 & 37

56 / 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, Eating, and Corrosion

b. Stress, Deformation and Friction

c. Stress, Deformation, and Corrosion

d. Stress, Friction, and Corrosion

57 / 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 Normal probing depth

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 less radiographic bone support and non-mobile teeth

58 / 60

តើប្រដាប់ទំពារមានប៉ុន្មានផ្នែកសំខាន់ៗ?

a. ៥

b. ៣

c. ២

d. ៤

59 / 60

In ideal intercuspation, maxillary canine articulates with:

a. Mandibular 1st premolar and 2nd premolar

b. Mandibular canine and lateral incisor

c. Mandibular canine only

d. Mandibular canine and 1st premolar

60 / 60

The TMJ is:

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

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

Your score is

The average score is 86%

Any comments?

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

និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត