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*

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1 / 60

Name of the line in the picture below :

a. Curve of Wilson

b. Functional cusp

c. Curve of spee

d. Non-centric cusp

2 / 60

តើ Muscles Abaisseurs ជា Muscles អ្វី?

a. temporal

b. Masseter

c. Masticateur

d. pterygoidien intern

3 / 60

តើតាមលោក Duchange Coefficient នៃធ្មេញលេខ ៣៦ ប៉ុន្មាន?

a. ៣

b. ៤

c. ៦

d. ២

4 / 60

Depression movement of mandible caused by :

a. Gravity, digastric, geniohyoid and mylohyoid muscle

b. Lateral pterygoid assisted by Medial pterygoid

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

d. Deep part of masseter and Digastric

5 / 60

តើកម្លាំង physio mécanique ជាកម្លាំងយ៉ាងដូចម្ដេច?

a. ជាកម្លាំងដែលមាននៅក្នុងសន្លាក់ឆ្អឹងថ្គាម

b. ជាកម្លាំងឆ្លើយតប នឹង កម្លាំងពិតមាននៅក្នុងថ្គាមលើ

c. ជាកម្លាំងដែលមាននៅលើ Ligament

d. ជាកម្លាំងពិតប្រាកថដែលមាននៅក្នុងឆ្អឹងថ្គាមក្រោម

6 / 60

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

a. Buccal side

b. Distal side

c. Mesial side

d. Lingual side

7 / 60

តើ Plan de camper និង Plan d’occlusion មានស្ថានភាពយ៉ាងដូចម្ដេច?

a. កែងនិងគ្នា

b. ប្រសព្វគ្នា

c. គ្មានចម្លើយត្រឹមត្រូវ

d. ស្របគ្នា

8 / 60

តើ Plan de comper ជាប្លង់ដូចម្ដេច?

a. ជាប្លង់ឈរ

b. ជាប្លង់ដេក

c. ជាប្លង់ដែលកាត់តាមផ្នែកខាងលើនៃ Tragus និង ចំនុចមួយក្រោមច្រមុះ

d. កាត់តាមផ្នែកខាងលើនៃរន្ធត្រចៀក និង ផ្នែកខាងក្រោមនៃរន្ធគ្រាប់ភ្នែក

9 / 60

តើ mecanique masticatoire ជាប្រព័ន្ធនៃការធ្វើចលនារវាងឆ្អឹងអ្វីខ្លះ?

a. ឆ្អឹងថ្គាមក្រោម និង ឆ្អឹង Granio-facial

b. ឆ្អឹងថ្គាមក្រោម ឆ្អឹងថ្គាមលើ និង articulation temporo mandibular

c. ឆ្អឹងថ្គាមលើ និង ឆ្អឹង Granio-facial

d. ឆ្អឹងថ្គាមក្រោម និង ឆ្អឹងថ្គាមលើ

10 / 60

The inner aspect of the capsule line :

a. Lower join cavity

b. Mandibular fossa

c. Synovial membrane

d. Articular disc

11 / 60

When Canine guided:

a. None off all above

b. All tooth is touching

c. Posterior tooth is touching

d. Only canine is touching

12 / 60

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

a. Wilson curve

b. Catenary curve

c. Curve of Spee

d. Monson curve

13 / 60

តើកម្លាំងឆ្លើយតបស្ថិតនៅទីណា?

a. នៅលើសន្លាក់ឆ្អឹងថ្គាម

b. នៅលើសាច់ដុំទំពារ

c. នៅលើឆ្អឹងថ្គាមក្រោម

d. នៅលើឆ្អឹងថ្គាមលើ

14 / 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 anterior teeth where deflective incline interferences to centric relation.

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

15 / 60

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

a. Soft tissue protection

b. Esthetics

c. Centric stability

d. Chewing efficiency

16 / 60

In occlusion the teeth have:

a. Cusp to cusp contact

b. Surface to surface contact

c. Edge to edge contact

d. Marginal contact

17 / 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.

18 / 60

តើតាមទ្រឹស្ដីរបស់លោក Duchange Coefficient របស់ Incisive Central Superior ប៉ុន្មាន?

a. ៤-៦

b. ៤

c. ៣

d. ២

19 / 60

ក្រាសធ្មេញ និង មាត់មានសារះប្រយោជន៍ប៉ុន្មានយ៉ាងធំៗ?

a. ៦ យ៉ាង

b. ២ យ៉ាង

c. ៥ យ៉ាង

d. ៣ យ៉ាង

20 / 60

Which one is INCORRECT statement of Medial Pterygoid muscle:

a. is also called Internal Pterygoid

b. Action: elevate and protract the mandible

c. Is the strongest muscle in our bodies

d. all of above

21 / 60

គ្រប់គ្រងចលនាសិរីរាង្គ ក្រាសធ្មេញ និង មាត់មានសារះប្រយោជន៍ប៉ុន្មានយ៉ាងធំៗ

a. ២ យ៉ាង

b. ៦ យ៉ាង

c. ៥ យ៉ាង

d. ៣ យ៉ាង

22 / 60

Group function occlusion is common in_____________?

a. 10–14years

b. Edentulous patients

c. 15 -25 years

d. Above 30 years

23 / 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.

24 / 60

តើប្រដាប់ទំពារមានប៉ុន្មានផ្នែកសំខាន់ៗ?

a. ៥

b. ២

c. ៤

d. ៣

25 / 60

What was the “Physical injury” called?

a. Trauma

b. Macrotrauma

c. Microtrauma

d. Microorganism

26 / 60

តើកម្លាំងវិចទ័រខុសគ្នាត្រង់ណា?

a. ត្រង់គល់វិចទ័រ

b. ត្រង់ទិស

c. ត្រង់មុំ

d. ត្រង់ម៉ូឌុល

27 / 60

តើ Coeficients នៃថ្គាមតូចទីពីរមានប៉ុន្មាន?

a. ៣

b. ៦

c. ៤-៦

d. ៤

28 / 60

តើពពួក Incisores and Canines រងនូវកម្លាំងពីមធ្យមទៅអតិបរិមាយ៉ាងដូចម្ដេច?

a. 15kg – 20kg

b. 10kg – 15kg

c. 15kg – 40kg

d. 15kg – 30kg

29 / 60

តើមុខមាត់ដែល Hysmetrique មានសភាពយ៉ាងដូចម្ដេច?

a. សាច់ដុំគូ មានកម្លាំងប្រហាក់ប្រហែល

b. សាច់ដុំគូ មានកម្លាំងមិនស្មើគ្នា

c. សាច់ដុំគូ មានកម្លាំងស្មើគ្នា

d. សាច់ដុំគូ មានកម្លាំងស្របគ្នា

30 / 60

Retraction movement of Mandible caused by :

a. Masseter

b. Masseter

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

d. Lateral pterygoid assisted by Medial pterygoid

31 / 60

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

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

32 / 60

Chewing circle has :

a. 2 Phases

b. 5 Phases

c. 3 Phases

d. 4 Phases

33 / 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

34 / 60

Any Condition that prevents thorough cleaning of any tooth surface or portion of the sulcus should be
consider as a :

a. Microtrauma

b. Causative factor

c. Contributive factor

d. Microorganism

35 / 60

The functional cusps of Upper anterior teeth located at :

a. Buccal cusp

b. Distal area

c. Lingual area

d. Mesial area

36 / 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 occlusion

d. Centric Contact

37 / 60

តើគម្លាតរវាងធ្មេញមុខលើ និង ក្រោមហៅថា Espaceliber មានប្រវែងប៉ុន្មាន?

a. 1-2mm

b. 3-4mm

c. 2-3mm

d. 3-5mm

38 / 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. Distobuccal groove

b. Mesial Surface

c. Transverse groove

d. Mesiobuccal surface

39 / 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 an early sign of a correctable occlusal disharmony.

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

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

40 / 60

What is symptom?:

a. Symptom is what a patient see.

b. Symptom is what a doctor see.

c. Symptom is what a patient experience

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

41 / 60

តើ Hinge axis ជាបន្ទាត់យ៉ាងដូចម្ដេច?

a. Tragus ទាំងពីរ

b. ផ្ទៃខាងលើនៃរន្ធត្រចៀកឬាំងពី

c. Ala នៃច្រមុះ

d. កាត់តាមចំណុចកណ្ដាលនៃ Condyle ទាំងពីរ

42 / 60

How many phases of the Chewing cycle?:

a. 5

b. 4

c. 2

d. 3

43 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Deuxiéme Molaire ប៉ុន្មាន?

a. ៤

b. ៥

c. ៣

d. ៦

44 / 60

What does the muscle A in the picture called?:

a. Masseter muscle

b. Suprayoid muscle

c. Posterior digastric

d. Temporalis muscle

45 / 60

តើលោក Akerman អោយ Confficient Incisive ប៉ុន្មាន?

a. ៤

b. ១

c. ៣

d. ២

46 / 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 buccal

d. a curve that contact the lingual

47 / 60

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

a. Mesial area

b. Distal area

c. Lingual area

d. Buccal cusp

48 / 60

តើ Espace liber ជាគម្លាតអ្វី?

a. បបូរមាត់លើ និងក្រោម

b. ពីធ្មេញមួយ ទៅធ្មេញមួយ

c. ធ្មេញមុខលើ និង ក្រោម

d. Distal ទៅ Mesial នៃធ្មេញ Central

49 / 60

Distobuccal cusp of 27 falls into:

a. None of the above

b. Embrasure of 37 & 38

c. Mesial pit of 37

d. Embrasure of 36 & 37

50 / 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

51 / 60

តើ Muscles Propulseur មានមុខងារធ្វើអ្វី?

a. ធ្វើអោយមាត់បិតជិត

b. ធ្វើអោយឆ្អឹងថ្គាមក្រោមរុញទៅមុខ

c. ធ្វើអោយមាត់បើក

d. ធ្វើអោយឆ្អឹងថ្គាមក្រោមទាញទៅក្រោយ

52 / 60

What are the phases of the chewing cycle?:

a. Closing phase and intercuspal phase

b. Opening Phase and Closing phase

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

d. Opening phase and occlusal phase

53 / 60

តើ Muscles Abaisser មានមុខងារយ៉ាងដូចម្ដេច?

a. ធ្វើអោយចង្ការលយទៅមុខ

b. ធ្វើអោយមាត់បិតជិត

c. ធ្វើអោយមាត់វៀច

d. ធ្វើអោយមាត់ហារ

54 / 60

Desmodont is another name for:

a. Dehiscence

b. Tooth with three walled pocket

c. Periodontal ligament

d. The tooth with one wall pocket

55 / 60

Masticatory system in general consists of three main component :

a. Teeth, Tongue, and check

b. Teeth, Tongue and Enamel

c. Teeth, Periodontal tissue and Occlusion

d. Teeth, Periodontal tissue and Enamel

56 / 60

Abrasion is wear due to:

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

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

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

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

57 / 60

When doing anterior protrusion :

a. Capsul

b. Lateral ligament

c. Stylomandibular ligament

d. Sphenomandibular ligament

58 / 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. Articular pain

b. Temporomandibular disorder (TMD)

c. Muscle pain

d. Occlusal disease

59 / 60

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

a. Distal marginal ridge of mandibular 1st premolar

b. Distal marginal ridge of mandibular 2ndmolar

c. Mesial fossa of mandibular 1st molar

d. Distal fossa of mandibular 2ndpremolar

60 / 60

តើ Muscles Elevateurs មានមុខងារអ្វី?

a. ធ្វើអោយមាត់ហារ

b. ធ្វើអោយមាត់វៀច

c. ធ្វើអោយមាត់បិទ

d. ធ្វើអោយមាត់ស្ថិតក្នុងសភាពធម្មតា

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត