FULL QUESTIONS AND VERIFIED SOLUTIONS
GRADED A+
◉ The label Mesiobucco-occlusal is appropriate for? Answer: Point
Angle of a posterior tooth
◉ On a maxillary first premolar what is the groove that sperates the
buccal and lingual cusps? Answer: Central groove
◉ The molar with a Y,H, or U pattern Answer: Mandibular second
premolar
◉ A facial and lingual triangular ridge join to form? Answer:
Transverse ridge
◉ Cusps for a mandibular first molar Answer: mesiolingual,
mesiofacial, distolingual, distofacial, distal
◉ Major difference between first and second molars? Answer: 1st
molars has 5 cusps, 2nd molars have 4 cusps
,◉ Which is true of oblique ridges? Answer: Only Maxillary molars
have Oblique ridges
◉ Facial surfaces of teeth include what? Answer: Labial and Buccal
surfaces
◉ Elevated crests of enamel that form mesial and distal margins of
the occlusal surface Answer: Marginal ridges
◉ The bulk of a tooth is made up of Answer: Dentin
◉ Interproximal spaces between teeth Answer: Gingival papillae
◉ Mesial and distal marginal ridges are found on Answer: Both
Posterior and Anterior teeth
◉ The distal triangular fossa of the maxillary first molar is separated
from the central fossa by the? Answer: Oblique ridge
◉ A pinpoint depression where two or more grooves meet? Answer:
Pit
◉ V-shaped spaces between proximal surfaces of two adjoining
teeth Answer: Embrasure
, ◉ A cavity prep the includes the mesial incisal angle of a maxillary
central incisor is a? Answer: Class IV
◉ Overbite Answer: Vertical overlap of maxillary incisors
◉ Centric occlusion Answer: Touching together of the upper and
lower teeth when jaws are closed
◉ Overjet Answer: Horizontal space between upper and lower
incisors
◉ Excursive movements Answer: Movement of jaw from left to right
◉ Protrusive movements Answer: Thrusting lower jaw forward
◉ Crossbite Answer: Mandibular teeth are facial to their maxillary
counterparts
◉ Working cusps Answer: Lingual of upper; Buccal of lower
◉ Non-working cusps Answer: Buccal of upper; Lingual of lower