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