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47 Cards in this Set

  • Front
  • Back
What does each arch include?
the teeth, the gingival, and the underlying bone
Which arch moves?
the Mandibular arch (lower jaw)
In which bone are the teeth anchored?
alveolar bone
How many permanent teeth?
32
Teeth are classified by...
shape and function
How many incisors are there in each arch?
4
How many permanent canines are there in each arch?
2
How many premolars are there in each arch? permanent molars?
4 premolars
6 molars
What is the dental formula for the permament dentition in humans?
I 2/2 C 1/1 P 2/2 M 3/3 = 16
What does this mean...I 2/2
I: Incisors 2 maxillary/ 2 mandibular
What are the anterior teeth?
incisors and canines
What are the posterior teeth?
premolars and molars
How many deciduous teeth?
incisors?
canines?
molars?
20
4 incisors
2 canines
4 molars
What are the incisors used for?
cutting food (thin biting edges, incisal edges)
What do the canines do?
What are the especially important for?
tear, pierce, and hold food
guiding the mvmt of the mandible
There are no ___or___ in primary dentition.
premolars or 3rd molars
What is the root covered with?
cementum
What is enamel?
the dense hydroxyapatite surface of the crown
What is dentin?
the inner hard layer of the crown and root
What is the pulp?
the vascular, innervated portion of the tooth
What is the cervial line?
the junction of the anatomical crown and root
What is facial/buccal/labial?
toward the lips and cheeks
What is occlusal?
the biting or chewing surface of the posterior teeth, the surface of the posterior tooth which is in contact with the opposing tooth
What are functional cusps/supporting cusps?
lingual cusps on maxillary posterior teeth
On maxillary teeth, buccal cusps are referred to as...
non functional cusps
On mandibular teeth, the buccal cusps are ...
functional cusps
On mandibular teeth, the lingual cusps are ...
non-functional
What is the cingulum?
On the Anterior teeth - the lingual crown projection (bump along gum line)
What is the groove?
On the Anterior teeth - line between the primary parts of the crown or rooth
What is the pit?
Anterior Teeth - pinpoint depression at the junction or termination of a groove
What is the lobe?
Anterior Teeth - the primary center of development within a tooth
What is the mamelon?
the incisal remnant of incisor development (bumps that wear down)
What is the line angle?
the junction of two tooth surfaces
What is the point angle?
junction of three tooth surfaces
What is furcation?
Were rooth divides
What is the root apex?
the opening in the root for entrance of the pulp
What is the periodontium?
supporting tissues that surround the tooth
What does the periodontium include?
gingiva, cementum, periodontal ligament, alveolar bone
What is the gingival margin?
where crown of tooth and gingiva meet
What is free gingiva?
the most incisal unattached portion; surrounds tooth to form collar of tissue with a space/sulcus (it's loose)
What does the free gingival groove do?
separates attached gingiva from free gingiva
What is not seen visually, but can be evaluated with periodontal probe?
gingival sulcus
What is the gingival sulcus?
the space between tooth surface and narrow cervical collar of free gingiva
What is the attached gingiva?
a zone of gray-light-pink keratinized masticatory mucosa firmly bound to underlying bone; extends between free gingiva and alveolar mucosa
What is the mucogingival juction?
between attached gingiva and looser, alveolar mucosa
What is alveolar mucosa?
moveable, dark pink to red tissue apical to mucogingival line
What is the periodontal ligament?
surrounds tooth root and attaches tooth to alveolar bone (periodontal fibers)