supporting structures
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| maxillary arch | upper arch
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| mandibular | lower arch
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| midline | an imaginary line that separtes right and left sides of the mouth
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| quadrants | midline separting the maxillary and mandibular arch= 4 quadrants
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| anterior teeth | 6 teeth per arch includes incisors&canines
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| posterior teeth | 10 per arch includer premolars and molars
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| incisors | cuts and divides
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| canines | pierce and tear hold
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| premolar | crush and grind
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| molars | crush and grind
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| mesial | towards the midline
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| distal | away from midline
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| lingual | towards the tounge (mandibular only)
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| buccal | towards the cheek (posterior only)
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| labial | towards the lip (anterior only
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| occlusal | chewing surface (posterior only)
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| incisal | biting edge (anterior only)
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| palatal | towards the palate(maxillary only)
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| facial | combined term for labial and buccal
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| mastication | chewing
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| aesthetics | apperearance
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| phonectics | speech
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| anatomical crown | entire crown, covered by enamel
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| clinical crown | portion visible above gingiva
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| anatomical root | entire root
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| apex | end (tip) of the root
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| apical foramen | natural opening at the very end of root that allows passage of nerves and blood vessels
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| trifurcated | refers to tooth with 3 roots
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| bifurcated | refers to tooth with 2 roots
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| furcation | the space between roots; the area where they join
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| gingiva | outermost layer of tissue covering the periosteum surrounding the tooth
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| free gingiva | gingiva which is movable and fits around the crown of tooth above the cervix
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| attached gingiva | immobile.lies below epithelial attachment, extending from base of the sulcus to the mucogingival junction
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| gingival crest(gingival margin) | top edge of free gingiva circling the tooth
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| gingival sulcus | space between tooth and free gingiva.extends from gingival crest to epithelial attachment
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| epithelial attachment | point where gingiva becomes attached to the bone. found at the bottom of the sulcus
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| gingival groove | a line separating free and attached gingiva on facial side of gingiva
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| dentition | the number kind and arrangement of an individual's teeth
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| permanent teeth | sencond set of teeth 32 in all
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| deciduous teeth(primary teeth) | baby teeth 20 in all
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| tooth number system | universal numbering system beings upper right
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| 1-32 | permanent teeth
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| a-t | deciduous teeth
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| eruption | process of teeth coming into the mouth
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| exfoliation | normal shedding of primary teeth
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| succedaneous | permanent teeth that replace deciduous teeth
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| nonsuccedaneous | permanent teeth that do not replace deciduous teeth
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| resorption | progressive destruction of the roots of deciduous teeth, caused by occlusal pressure of permanent tooth pressing on the decidous roots
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| interdental papilla | triangular shaped gingiva that extends into the interproximal space
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| interproximal space | wedge shaped area that lies between the proximal surfaces.extends from contact area to interdental papilla
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| contact area | the area on proximal surfaces that actually touch each other
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| long axis | the imaginary vertical line around which the structures of the teeth are symmetrically arranged
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| axial surfaces | surfaces of the teeth that are parallel to the long axis
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| proximal surfaces | surfaces that lie adjacent to each other
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| embrasures | v shaped spaces that extend outward from contact area
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| line angles | divides 2 surfaces
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| point angles | divides 3 surfaces
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