INBDE (Integrated National Board Dental Examination) Practice Exam

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What represents the anterior determinant of occlusion on an articulator?

Incisal guidance
Condylar guidance
Lingual guidance
Canine guidance

The correct answer is: Incisal guidance

The anterior determinant of occlusion on an articulator is part of the articulator that determines the position and movement of the upper jaw in relation to the lower jaw. This helps simulate the movement and contact of the upper and lower teeth in real life. Incisal guidance, which is the correct answer, refers to the guidance provided by the incisal edges of the upper and lower front teeth. This is important in determining the anterior-posterior and lateral positions of the upper jaw in relation to the lower jaw. The other options, condylar guidance, lingual guidance, and canine guidance, are incorrect because they refer to other types of guidance that are not specifically related to the anterior determinant of occlusion. For example, condylar guidance refers to the guidance provided by the temporomandibular joints, lingual guidance refers to the guidance provided by the back of the upper front teeth, and canine guidance refers to the guidance provided by the canine teeth. While these types of guidance are important in occlusion, they do not specifically represent the anterior determinant of occlusion on an articulator.