Dental Anatomy Flashcards
Define the Crown
the portion of the tooth you can see
Define the Root of the tooth
the portion in the bone
Define Enamel
Hard, outer coating that covers the crown. It is impermeable and durable.
What is the cementum?
The outer portion of the root, it is permeable.
What is the Dentin?
The layer under the enamel and under the cementum. It will stain if the enamel has been broken down.
What is the Pulp?
Inside layer of the tooth, contaisn nerves and blood vessels. It is the “live” part of the tooth
What is the Apical Delta?
The nerve endings and blood vessels that branch out from the root
What is the bone that holds the tooth in?
Alveolar bone
What is attached gingiva?
Where gingiva attaches to cementum on tooth
What is free gingiva?
Extends above the attached gingiva
What is the Sulcus?
SPace between the free gingiva and tooth
What is the mucoid?
Harder gingiva as you go up higher
What is the Cemento-enamel junction?
Where enamel meets cementum
What is the periodontal ligament?
Holds the tooth in the alveolus (socket) by attaching tooth to alveolar bone
What is the mesial portion?
The surface closest to the midline
What is the distal portion?
Furthest from midline, toward outside of mouth
The portion of the tooth facing the lips is called the _______
Labial - primarily for incisors.
The portion of the tooth facing the cheeks is the ______
Buccal
The Palatal surface of a tooth is facing _____
Up toward the hard palate on the upper jaw
The Lingual surface of a tooth is facing _____
the tongue, on the lower jaw
The Occlusal surface of a tooth is:
The surface that touches the other teeth when biting
What is the permanent canine dental formula?
I3/3 C1/1 P 4/4 M 2/3
How many permanent teeth to dogs have?
42
How many deciduous teeth do dogs have?
28
