Quick Review of Dental Anatomy and occlusion MCQs

# The only symbolic tooth numbering system is:
A. FDI System
B. Palmer system
C. Universal system
D. ADA system

# Resorption in primary central incisors begin at:
A. 2 years
B. 3 years
C. 4 years
D. 5 years



# Once the enamel formation is complete, the tooth will erupt after approximately:
A. 2 years
B. 3 years
C. 4 years
D. 5 years

# Most common teeth in mandibular arch that is displaced out due to arch discrepancy is:
A. Second premolar
B. Canine
C. First molar
D. First premolar

# Difference between primary and permanent roots:
A. Primary roots are short and slender
B. Primary roots are short and broader
C. Primary roots are long and slender
D. Primary roots are long and broader

# Line angles in anterior teeth are:
A. 6
B. 4
C. 2
D. 8

# Occlusal table is:
A. It is present on anterior tooth
B. Mesiodistal width of all posterior teeth
C. Buccolingual width of all posterior teeth
D. Is same in all teeth

# The primary tooth having greatest faciolingual diameter of its crown is the:
A. Maxillary first molar
B. Maxillary second molar
C. Mandibular first molar
D. Mandibular second molar

# In comparison with the permanent mandibular canine, the permanent maxillary canine in the same mouth:
A. has a shorter root
B. is wider mesiodistally
C. is narrower mesiodistally
D. has a less pronounced cingulum

# Mesiolingual developmental groove is seen in:
A. Mandibular first premolar
B. Mandibular second premolar
C. Maxillary first premolar
D. Maxillary second premolar

# The embrasure areas in the following region are continuous:
A. Labial and Lingual
B. Lingual and Occlusal
C. Incisal and Occlusal
D. Labial and Occlusal

# During the development of a tooth, sound coalescence of the lobes results in:
A. Grooves
B. Fissures
C. Cusps
D. All of the above

# Length of mandibular central incisor is:
A. 17-18 mm
B. 18-19 mm
C. 20-28 mm
D. 22-26 mm

# Central fossa in permanent maxillary first molar is present:
A. mesial to the oblique ridge
B. distal to the oblique ridge
C. mesial to the mesial triangular fossa
D. distal to distal triangular fossa

# Minimum number of lobes to form a tooth is:
A. 2
B. 3
C. 4
D. 5

# Cavity preparation when done perpendicular to long axis of tooth mostly leads to pulpal exposure in:
A. Mandibular first premolar
B. Maxillary first premolar
C. Maxillary second premolar
D. Mandibular first molar

# After tooth eruption, mineralization completes in:
A. One year
B. Two years
C. Three years
D. Four years

# Which of the following premolars has a mesial marginal ridge that is more cervically located than its distal marginal ridge?
A. Maxillary first
B. Mandibular first
C. Maxillary second
D. Mandibular second

# Which of the following represent the correct sequence of eruption of deciduous teeth?
A. ABCDE
B. ACBDE
C. ABDCE
D. ABDEC

# Bifurcations and trifurcations are most commonly observed in:
A. Maxillary first premolar
B. Maxillary second premolar
C. Mandibular first premolar
D. Mandibular second premolar

# Facial occlusal line in the maxillary arch is formed by:
A. Stamp cusps
B. Centric holding cusps
C. Supporting cusps
D. Non supporting cusps

# Which of the following muscles is not supplied by the anterior branch of mandibular nerve?
A. Temporalis
B. Medial pterygoid
C. Masseter
D. Lateral pterygoid

# In ideal occlusion, facial cusps of maxillary posterior teeth oppose:
A. Grooves and embrasures
B. Grooves only
C. Marginal ridges and embrasures
D. Marginal ridges only