TBL International

At the age of nine years, the mandibular permanent first molar has its distal contact with which of the following teeth?

• First premolar

• No distal contact

• Second deciduous molar

• Second premolar

• Second premolar

Which of the following terms may be used to indicate the dentin formed first in the tooth?

• Granular dentin

• Hyaline dentin

• Mantle dentin

• Primary dentin

• Radicular dentin

Dentin formation is most likely to be initiated by which of the following parts of the enamel organ

• Inner enamel epithelium

• Outer enamel epithelium

• Reduced enamel epithelium

• Stellate reticulum

• Stratum intermedium

The highest quantity of inorganic content is likely to be present in which of the following tissues related to teeth

• Cementum

• Dentin

• Enamel

• Periodontal ligament

• Pulp

Which of the following is the last succedaneous tooth to erupt?

• Maxillary canine

• Mandibular canine

• Maxillary first premolar

• Mandibular first premolar

• Mandibular third molar

Which of the following sequence of eruption of permanent teeth is normally seen in the maxilla

• 1,6,2,4,3,5,7,8

• 1,6,2,3,4,5,7,8

• 6,1,2,4,3,5,7,8

• 6,1,2,3,4,5,7,8

• 6,2,1,3,4,5,7,8

The roots of which of the following permanent tooth are normally completely formed by age ten years?

• Lower canine

• Lower second molar

• Lower second premolar

• Upper canine

• Upper central incisor

Located in the midline, between two central incisors

• Taurodontism

• Hypodontia

• Mesiodens

• Talon cusp

This condition called

• Fusion

• Gemination

This condition is called

• Fusion

• Gemination