Histology Chapter 11/12 Quiz

Blood vessels and nerves penetrate the lamina dura.

• True

• False

Collagen fibers embedded in the alveolar bone proper are called ____________ fibers.

• 
  transseptal

• 
  Sharpey

• 
  alveolar

• gingival

Hyalinization of the periodontal ligament is caused by which of the following?

• Traumatic compression

• Eruption of permanent teeth

• Mesial drift

• Gradual orthodontic movement

Fenestration is best defined as which of the following?

• Bundle of collagen fibers embedded in the alveolar bone proper

• Coronal border of the alveolar process

• Bone loss where the apical root penetrates cortical bone

• Bone loss in the coronal area of the root.

1. Maintenance of the alveolar bone and cementum is reliant on which of the following?

• 1. Periods of masticatory inactivity

• 1. Tooth function

• 1. Resorption

• 1. Routine professional dental care

Receptors and nerves located in the periodontal ligament transmit information regarding pressure and mandibular position.

• True

• False

The width (thickness) of the periodontal ligament increases with age.

• True

• False

1. The type of nutrient canals that penetrate Haversian canals at right angles to form a nutrient network are called

• 1. Volkmann

• 1. hyalinized

• 1. reversal lines

• 1. Haversian.

1. The primary function of the periodontal ligament is to do which of the following?

• 1. Provide nutrition

• 1. Transmit neural input

• 1. Support the teeth

• 1. Protect the cementum

1. Which arises from the dental follicular tissue?

• 1. Enamel

• 1. Cementicles

• 1. Periodontium

• 1. Dentin