Dental Anatomy and Occlusion Flashcards
7 cards from real NDEB practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Dental Anatomy and Occlusion flashcards as text
The mandibular first molar typically has how many cusps?
Answer: 5
The mandibular first molar has 5 cusps: mesiobuccal, distobuccal, mesiolingual, distolingual, and distal.
Which permanent tooth typically has the longest root in the maxillary arch?
Answer: Maxillary canine
The maxillary canine has the longest root in the maxillary arch, averaging approximately 17 mm in length.
The cusp of Carabelli is an accessory cusp most commonly found on which surface of the maxillary first molar?
Answer: Mesiolingual cusp
The cusp of Carabelli appears on the mesiolingual (palatal) cusp of the maxillary first molar and is considered an accessory developmental feature.
How many roots does the maxillary first molar typically have?
Answer: 3
The maxillary first molar has 3 roots: the mesiobuccal, distobuccal, and palatal (lingual) roots.
The oblique ridge is a characteristic anatomical feature of which tooth?
Answer: Maxillary first molar
The oblique ridge of the maxillary first molar connects the mesiolingual and distobuccal cusps diagonally across the occlusal surface.
The mandibular second premolar most commonly has how many cusps?
Answer: 3
The 3-cusp (Y-type) form of the mandibular second premolar, with one buccal and two lingual cusps, is the most common configuration.
The transverse ridge on the mandibular first premolar connects which two structural features?
Answer: Buccal and lingual cusps
The transverse ridge of the mandibular first premolar is formed by the union of the buccal and lingual cusp ridges crossing the occlusal surface.