INBDE (Integrated National Board Dental Examination) Practice Exam

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Study for the Integrated National Board Dental Examination with engaging quizzes and detailed multiple-choice questions. Each question comes with hints and explanations to ensure you grasp essential concepts. Prepare effectively for your dental career!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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Which are considered guiding cusps?

Mandibular lingual and maxillary buccal
Mandibular buccal and maxillary lingual
Maxillary only
Mandibular only

The correct answer is: Mandibular lingual and maxillary buccal

Guiding cusps are cusps found on the molars and premolars that guide the movement of the mandible during chewing. These cusps are sometimes referred to as supporting cusps, and they use inclined planes to guide the jaw. The mandibular lingual cusp guides the mandible during protrusive movements, while the maxillary buccal cusp guides the mandible during lateral movements. The other options (B, C, and D) are incorrect because they do not include both a mandibular lingual cusp and a maxillary buccal cusp, which are necessary for guiding the movement of the mandible during chewing.