Orthodontic Exam Questions

Why is age important in orthodontic assessment?

• To determine tooth color

• To assess jaw muscle strength

• To evaluate skeletal maturity and growth potential

• To diagnose caries

Which condition requires antibiotic prophylaxis during dental procedures?

• Asthma

• Cardiac anomalies

• Epilepsy

• TMJ disorder

Why is bisphosphonate therapy a concern in orthodontics?

• It causes decay

• It leads to gum enlargement

• It may contraindicate orthodontic tooth movement

• It causes excessive tooth wear

Which of the following is a genetic factor affecting malocclusion?

• Thumb sucking

• Missing teeth

• Diabetes

• Trauma

What is a key concern with uncontrolled epilepsy during orthodontic treatment?

• Gingival overgrowth

• Root resorption

• Risk with removable appliances

• Dry mouth

Class II skeletal pattern indicates:

• Normal jaw relationship

• Retruded maxilla

• Protruded mandible

• Retruded mandible or protruded maxilla

Which profile type is associated with a protruded mandible?

• Straight

• Convex

• Concave

• Flat

Lip incompetence may be associated with:

• Mouth breathing

• Root crowding

• Normal occlusion

• Molar rotation

A 'gummy smile' is assessed by evaluating the:

• Overjet

• Smile line

• Lip strain

• Facial profile

Which muscle's overactivity suggests lip incompetence?

• Masseter

• Mentalis

• Temporalis

• Buccinator