Orthodontic

Orthodontic Knowledge Quiz

Test your understanding of orthodontic principles with our comprehensive quiz. Whether you’re a student, a practicing orthodontist, or just someone interested in learning more about orthodontics, this quiz will challenge and enhance your knowledge.

Key Features:

Focus on various orthodontic principles and components.
Multiple choice questions covering a broad range of topics.
Learn and evaluate your understanding of optimal forces in orthodontic treatments.

60 Questions15 MinutesCreated by AligningSmile32

61. The various types of retentive components ?

σ� Adams clasp and southend clasp

σ� Adams clasp and clasp spring

σ� Adams clasp and buccal canine retractor

σ� Adams clasp and palatal spring

σ� All unrelated

62. Anchorage is the resistance to reactive forces generated by ?

σ� Active components of the appliance

σ� Retentive components of the appliance

σ� The contact between the baseplate and the palate

σ� Placements of clasps or bows on teeth

σ� All unrelated

How to preserve the anchorage for removable appliance ?

σ� Contact the baseplate with other teeth not being moved

σ� Placements of clasps or bows on teeth which are not being moved

σ� All are related

σ� All unrelated

What is the optimum force for tipping movement ( profit-2000 ) ?

65. What is the optimum force for bodily movement ( profit-2000 ) ?

66. What function of the baseplate for removable appliance ?

σ� Prevent unwanted drift of the teeth

σ� Supports the wire and screw

σ� Contributes the anchorage

σ� protect palatal spring

σ� All are related

How can design and planed the teeth movement for removable appliance ?

σ� Planed which tooth/ teeth that need to be moved

σ� Planed the number of appliances that are needed

σ� select the wires are suitable for the appliance

σ� All are related

σ� All unrelated

What is the optimum force for root uprighting ( profit-2000 ) ?

69. What is the optimum force for intrusion ( profit-2000 ) ?

70. The optimum force ( 35g – 60g ) to apply for teeth movement ( profit-2000 ) ?

71. Delayed for extraction of deciduous teeth may lead to ?

72. Early extraction of the all second deciduous molars may lead to ?

σ� Upper and lower midline shift

σ� Upper 1st permanent molar tendency mesially movement

σ� All 1st permanent molars tendency mesially movement

σ� Upper and lower midline coincidence

σ� All unrelated

Why the removable appliance was used in mixed with fixed appliance?

σ� Upper or lower can not treated with fixed appliance

σ� May need to reinforce of anchorage

σ� May loose the brases in the upper or lower ach

σ� Easy to improve oral hygiene in the mouth

σ� All are related

74. When need to extract the 1st permanent molars with poor prognosis before orthodontic treatment?

σ� 1st molars were pain

σ� When 2nd molars erupting with bifurcation

σ� When the 3rd molars were absent

σ� When carie develop to the dentine

σ� All unrelated

75. Early lost of the 1st permanent molars may lead to ?

σ� Bone resorption

σ� Second premolars tipping distally

σ� Extrude the upper or lower permanent molars in antagonist

σ� Spacing in the arch

σ� All are related

What are the following active components in removable appliance that effect to correct distally inclined canine ?

How can to calculate the space for teeth alignment when the arch and teeth tendency to crowding ?

Class I incisor relationship mean that ?

Class II division 1 incisor relationship mean that ?

85. Class III incisor relationship mean that ?

88. Gold chain are usually used when the ?

Transposition of the teeth when ?

σ� Permanent lateral in canine position

σ� Permanent canine in lateral position

σ� Permanent premolar in canine position

σ� Permanent canine in premolar position

σ� All are related

90. Total arch length minus total teeth width when the result is a negative value, it’s indicates ?

91. Total arch length minus total teeth width when the result is a positive value, it’s indicates ?

92. The based on Tanaka and John stone method was indicated when in ?

94. Every millimeter of incisor overjet increase, the space are created in the dental arch ?

Before planning extractions of any permanent teeth, it’s important to ensure that ?

What factors that effect to the choice of the teeth for extraction ?

Which teeth are often to choice to be extracted when space requirement is moderate or severe ?

101. Midline coincidence mean ?

What causes of the easy to relapse of overbite reduction when orthodontic treatment was finished ?

103. Why the model base were kept as a records for the patient in orthodontic treatment ?

Why need the precise way to take impression for orthodontic treatment patient ?

A 11 years old girl who has class I malocclusion and skeletal I base , the upper and lower teeth alignment associated with unilateral posterior crossbite and mandibular displacement. How can treat this patient ?

106. A 12 years old boy who has class III incisor relationship with the bite edge to edge associated skeletal III base by ANB= 0,5 degree. How could manage this patient ?

σ� Removable appliance with cantilever spring

σ� Removable appliance with screw expansion

σ� Removable appliance with facemask

σ� Removable appliance with high pull headgear

σ� Unrelated

Why need to wear removable appliance combined with fixed appliance in orthodontic treatment ?

Hawley retainer regime was placed after orthodontic treatment ?

110. Buccal canine retractor can be used in wire size ?

How can treat the incisors crossbite when patient is growing ?

Why need posterior bite plane in removable appliance ?

σ� To obstruct the buccal segment teeth to erupt.

σ� To release the occlusal interference

σ� To control the anchorage

σ� To reduce the overbite

σ� All unrelated

How can measure the overjet when intra-oral examination check ?

How can reduce the overjet when use the removable appliance ?

Robert retractor was used in removable appliance to ?

Buccal canine retractor was indicated when it’s position ?

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