Dentition Flashcards
Where are the teeth found?
Within the alveoli of the maxillae and mandible
What are the functions of the teeth
mastication and an articulatory surface for some speech sounds
How many teeth are there?
32
What are the four types of teeth?
incisors, cuspids (canines), bicuspids (pre-molars), and molars
Each tooth has a _____, which hides beneath the gum line or ______.
root; gingiva
What is infection of the gums known as?
gingivitis
What is the visible one-third of the tooth called?
the crown
The juncture (meeting) of the root and crown is the ____.
neck
What is the crown’s surface made of?
dental enamel
What does the dental enamel lie on top of?
the dentin or ivory of the tooth
What is the pulp of a tooth?
the heart of a tooth and where the nerve resides
What holds the tooth in the socket?
cementum - a thin layer of bone
What are the five tooth surfaces?
medial, distal, buccal, lingual, and occlusal
What is the medial surface?
surface towards the midline
What is the distal surface?
surface away from the midline
What is the buccal surface?
cheek side
What is the lingual surface?
tongue side
What is the occlusal surface?
contact surface between upper and lower teeth
What are the incisors used for?
cutting
What are the cuspid (canine)
a type of tooth that has a single cusp or point for tearing
What are the bicuspids (premolars)
a type of tooth that has 2 cusps or points for tearing