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*

The timer has been reached. The exam has now been terminated and saved.

1 / 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 stage

b. if requirements for occlusal stability were not adhered to the treatment planning stage

c. if requirements for occlusal stability were not adhered to the treatment stage

d. if requirements for occlusal stability were adhered to the treatment planning stage

2 / 60

The maxillary teeth which have single antagonist are__________?

a. Permanent central incisors

b. Third molars

c. Permanent canines

d. Lateral incisors

3 / 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. First premolar

c. None

d. Second premolar

4 / 60

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

a. Centric stability

b. Soft tissue protection

c. Chewing efficiency

d. Esthetics

5 / 60

In centric occlusion, the cusp tip of the maxillary canine is in alignment with which mandibular tooth_____________?

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

b. Incisal embrasure of canine and premolar

c. Distal ridge of the cusp of mandibular canine

d. Facial embrasure of canine and premolar

6 / 60

តើ Muscles Propulseur មានមុខងារធ្វើអ្វី?

a. ធ្វើអោយឆ្អឹងថ្គាមក្រោមទាញទៅក្រោយ

b. ធ្វើអោយឆ្អឹងថ្គាមក្រោមរុញទៅមុខ

c. ធ្វើអោយមាត់បិតជិត

d. ធ្វើអោយមាត់បើក

7 / 60

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

a. Chewing, speaking and swallowing

b. Speaking, swallowing and opening

c. ewing, closing and speaking

d. Chewing, opening and swallowing

8 / 60

តើ Hinge axis ជាបន្ទាត់យ៉ាងដូចម្ដេច?

a. ផ្ទៃខាងលើនៃរន្ធត្រចៀកឬាំងពី

b. Ala នៃច្រមុះ

c. កាត់តាមចំណុចកណ្ដាលនៃ Condyle ទាំងពីរ

d. Tragus ទាំងពីរ

9 / 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.

10 / 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)

11 / 60

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

a. Wilson curve

b. Curve of Spee

c. Catenary curve

d. Monson curve

12 / 60

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

a. To move the mandible

b. To determine the direction of maxillary movement

c. To secure stabilize the mandibular positions.

d. None all of

13 / 60

តើ Plan horizontal ជាប្លង់ដូចម្ដេច?

a. ឈរ

b. ទ្រេត

c. ស្របនឹងប្លង់ Sagittal

d. ដេក

14 / 60

What is A? :

a. The articular capsule

b. The articular disc

c. Mandibular fossa

d. Mandibular condyle

15 / 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 linguo cervical ridges

c. Within the incisor thirds

d. At the junction of middle and cervical thirds

16 / 60

តើ Plan de Francfort កាត់តាមណា?

a. កាត់តាម Lingne median

b. កាត់តាម Tragius និង ផ្នែកខាងក្រោមច្រមុះ

c. កាត់តាមបណ្ដា Cuspide

d. កាត់តាមគែមលើរន្ធត្រចៀក និង គែមក្រោមនៃរន្ធភ្នែក

17 / 60

តើ Luxations Temporo-mandibulaire មានផលលំបាកអ្វី?

a. ការឈឺចាប់ នៅក្នុងក្រាសធ្មេញក្រោម

b. ការចុករោយ ក្នុងសន្លាក់ឆ្អឹងថ្គាម

c. ការចុករោយ សាច់ដុំ Temporal

d. ការឈឺចាប់ក្នុងក្រាសធ្មេញលើ

18 / 60

Which is incorrect about 4 component of Mandibular articulation? :

a. Mandibular Condyle

b. The answer is mandibular condyle and The Articular disc

c. The Articular disc

d. Coronoid process of mandible

19 / 60

When a molar has no opposing tooth, it can become:?

a. Protruded

b. Retruded

c. Intruded

d. Extruded

20 / 60

TMJ articulation anatomy consist of :

a. 3 main parts

b. 4 main parts

c. 5 main parts

d. 6 main parts

21 / 60

តើនៅក្នុងសកម្មភាពធម្មតារបស់ក្រាសធ្មេញដែលពេញល្អវាមានលំនឹងរវាងកម្លាំងប៉ុន្មាន?

a. ៤

b. ១

c. ៣

d. ២

22 / 60

តើលោក Akerman អោយ Confficient ចំពោះធ្មេញ Deuxiéme Molaire ប៉ុន្មាន?

a. ៦

b. ៣

c. ៥

d. ៤

23 / 60

តើ Coefficients នៃធ្មេញចង្គូមមានប៉ុន្មាន?

a. ៣

b. ៤

c. ២

d. ៦

24 / 60

The key to occlusion is:

a. Maxillary primary first molar

b. Maxillary permanent first molar

c. Maxillary permanent second molar

d. Maxillary primary second molar

25 / 60

តើ Plan sagittal មានស្ថានភាពដូចម្ដេច?

a. ចំកណ្ដាលពីមុខទៅក្រោយ

b. ជាចំណែកលើ និង ក្រោម

c. ជាចំណែកមុខ និង ក្រោយ

d. ពីឆ្វេងទៅស្ដាំ

26 / 60

Curve of Wilson is:

a. a curve that contact the lingual

b. a curve that contact the buccal

c. a curve that contact the buccal and lingual

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

27 / 60

The role of functional cusps is :

a. Quiding cusps

b. Main role of mastication

c. None of all above

d. Sharing cusps

28 / 60

Masticatory system consists of net:

a. 2 main components

b. 3 main components

c. 1 main component

d. 4 main components

29 / 60

Patient lost their tooth in 2 ways:

a. Microtrauma and Macrotrauma

b. Microorganism and Microtrauma

c. Microorganism and Trauma (microtrauma or physical injury)

d. Physical injury

30 / 60

តើលើក Akerman អោយ Confficient ចំពោះធ្មេញ Canine ប៉ុន្មាន?

a. ២-៤

b. ៤-៥

c. ៣-៥

d. ៣-៤

31 / 60

When Canine guided:

a. None off all above

b. All tooth is touching

c. Only canine is touching

d. Posterior tooth is touching

32 / 60

What is A?

a. Mandibular fossa

b. The articular capsule

c. Mandibular condyle

d. The articular eminence

33 / 60

Patients lose their teeth in:

a. 1 way

b. 2 ways

c. 4 ways

d. 3 ways

34 / 60

Teeth with combination of functional mobility and widened periodontal ligament space were found to
have:

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

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

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

d. Deeper probing depth, no clinical attachment loss and less radiographic bone support and non-mobile teeth

35 / 60

What is A? :

a. The articular capsule

b. The articular eminence

c. Mandibular condyle

d. Mandibular fossa

36 / 60

Distobuccal cusp of 27 falls into ______________?

a. Immediately incisal to cingulam

b. Embrasure of 36 & 37

c. Embrasure of 37 & 38

d. Mesial pit of 37

37 / 60

What is the classification of occlusion (based on mandibular position)?:

a. Centric relation

b. Centric occlusion

c. Centric occlusion and centric relation

d. Centric and Ecentric occlusion

38 / 60

Group function occlusion is common in_____________?

a. Edentulous patients

b. 10–14years

c. Above 30 years

d. 15 -25 years

39 / 60

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

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

b. wear, fractured maxillary and mandibular teeth,

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

d. wear, elongated alveolar processes and fractured mandibular teeth

40 / 60

Which one is incorrect statement of Lateral Pterygoid muscle:

a. Is also called Pterygoid Extern

b. Action: Depress, protrude mandible

c. None all of above

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

41 / 60

តើ Muscles Elevateurs មានមុខងារអ្វី?

a. ធ្វើអោយមាត់បិទ

b. ធ្វើអោយមាត់ស្ថិតក្នុងសភាពធម្មតា

c. ធ្វើអោយមាត់ហារ

d. ធ្វើអោយមាត់វៀច

42 / 60

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

a. Rest position

b. Laterotrusive contacts

c. Centric occlusion

d. Protrusive contacts

43 / 60

តើ Coefficients នៃធ្មេញថ្គាមផុតក្រោមមានប៉ុន្មាន?

a. ៤-៦

b. ៤

c. ៣

d. ៦

44 / 60

តើធ្មេញដែលមានសកម្មភាពរស់រវើកបានដោយសារអ្វី?

a. Alvéolaire

b. articulation

c. tendon

d. ligament

45 / 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

46 / 60

Retraction movement of Mandible caused by :

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

b. Lateral pterygoid assisted by Medial pterygoid

c. Masseter

d. Masseter

47 / 60

The inner aspect of the capsule line :

a. Synovial membrane

b. Lower join cavity

c. Mandibular fossa

d. Articular disc

48 / 60

Chewing circle has :

a. 4 Phases

b. 5 Phases

c. 3 Phases

d. 2 Phases

49 / 60

Desmodont is another name for_____________?

a. Tooth with three walled pocket

b. periodontal ligament

c. Dehiscence

d. The tooth with one wall pocket

50 / 60

តើកម្លាំងវិចទ័រខុសគ្នាត្រង់ណា?

a. ត្រង់មុំ

b. ត្រង់ម៉ូឌុល

c. ត្រង់គល់វិចទ័រ

d. ត្រង់ទិស

51 / 60

Name of the line in the picture below :

a. Non-centric cusp

b. Curve of spee

c. Functional cusp

d. Curve of Wilson

52 / 60

តើ Plan de comper ជាប្លង់ដូចម្ដេច?

a. ជាប្លង់ដេក

b. កាត់តាមផ្នែកខាងលើនៃរន្ធត្រចៀក និង ផ្នែកខាងក្រោមនៃរន្ធគ្រាប់ភ្នែក

c. ជាប្លង់ដែលកាត់តាមផ្នែកខាងលើនៃ Tragus និង ចំនុចមួយក្រោមច្រមុះ

d. ជាប្លង់ឈរ

53 / 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 maxillary tooth where deflective incline interferences to centric occlusion

c. 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.

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

54 / 60

The INCORRECT statement of mandibular fist molar:

a. Buccal functional cusp

b. Eruption at the age of 6 years old

c. Has 5 cusps

d. as 4 cusps

55 / 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 disc and hyoid bone

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

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

56 / 60

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

a. Occlusal pits and fissures of mandibular teeth

b. Grooves and embrasures

c. Lingual cusps of mandibular teeth

d. Fossa and rdges

57 / 60

តើចលនានៃការទំពារជាអ្វី ?

a. ជាសកម្មភាពរបស់សាច់ដុំ

b. ជាសកម្មភាពរបស់ថ្គាមក្រោម

c. ជាសកម្មភាពនៃក្រាសធ្មេញ

d. ជាសកម្មភាពដែលឆ្លើយតបទៅនឹងកម្លាំងទំពារ

58 / 60

What is A?:

a. Stylomandibular ligament

b. Capsul

c. Lateral ligament

d. Sphenomandibular ligament

59 / 60

តើពពួកធ្មេញថ្គាមតូចនិងធំអាចទទួលរងនូវកម្លាំងពីមធ្យមទៅអតិបរិមាយ៉ាងដូចម្ដេច?

a. 40kg – 60kg

b. 20kg – 40kg

c. 40kg – 80kg

d. 30kg – 40kg

60 / 60

One noticeable characteristic of Erosion that present on enamel surface is :

a. Smooth edge of enamel

b. Sharp edge of enamel

c. Sharp edge of dentin

d. Smooth edge of dentin

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