INBDE (Integrated National Board Dental Examination) Practice Exam

Question: 1 / 1180

Which articulator is more accurate for fixed and has condyles as part of the lower member?

Nonarcon

Arcon

The correct answer is B. Arcon articulator. Arcon articulators are more accurate for fixed restorations because they have the condyles as part of the lower member, which simulates the movement of the mandible more closely to the actual physiological movements. This design helps in achieving better stability and accuracy when articulating fixed restorations.

Option A, Nonarcon articulators, have the condyles as part of the upper member, which does not accurately replicate the movement of the mandible, making them less suitable for fixed restorations.

Option C, Kinematic articulators, are designed for more complex movements and are not typically used for simple fixed restorations.

Option D, Semi-adjustable articulators, offer a compromise between adjustability and simplicity but may not provide the same level of accuracy as Arcon articulators for fixed restorations.

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Kinematic

Semi-adjustable

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