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36 Cards in this Set
- Front
- Back
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Enamel drives from __________. •ectomesenchyme •basement membrane •ectoderm |
Ectoderm |
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Dentin and pulp derive from __________. •ectomesenchyme •basement membrane •ectoderm |
Ectomesenchyme |
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Dentino-enamel Junction (dej) derives from ___________. •ectomesenchyme •basement membrane •ectoderm |
Basement membrane |
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Enamel comes from _________. •enamel organ •inner enamel epithelium •dental lamina •ameloblasts |
Ameloblasts |
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Ameloblasts come from _________. •enamel organ •inner enamel epithelium •dental lamina •ameloblasts |
Inner enamel epithelium |
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Inner enamel epithelium comes from __________. •enamel organ •inner enamel epithelium •dental lamina •ameloblasts |
Enamel organ |
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Enamel organ comes from _________. •enamel organ •inner enamel epithelium •dental lamina •ameloblasts |
Dental lamina |
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What is developed from the internal and external enamel epithelium and helps determines outline of roots and dissolves? |
Hertwig's epithelial root sheath (HERS) |
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Remnants of HERS, aka ________, have to potential to form ________. |
Rests of malassez, cysts |
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Remnants of dental lamina are known as _____________. |
Rests of serres. |
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The ________ tissues is keratinized and protects gingiva and hard palate. |
Masticatory mucosal |
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The ________ mucosa is not keratinized, and includes the alveolar, vestibular, buccal mucosa, and floor of the mouth. |
Lining |
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___________ mucosa refers to the papillae of the tongue. |
Specialized |
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_________ are incremental lines from mineralization. |
Line of Retzius |
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__________ are ends of odontoblastic processes which cross the dej |
Emanel spindles |
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Tooth tissue that is 50% mineralized, like bone. |
Cementum |
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Most often missed mesial coronal and root concavity |
Max. 1st premolar |
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Cuspid with occasionally bifurcated root (facial lingual) |
Mandibular |
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Tooth that most often fails to develop |
3rd molars, max laterals |
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Tooth with nonfunctional lingual cusp |
Mandibular 1st premolar |
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Premolar which commonly has three cusps |
Mandibular 2nd |
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Tooth most often affected by microdontia |
Maxillary lateral incisor |
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Tooth most likely to have a root with two canals |
Mandibular first molar, mesial root |
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Tooth most likely to exhibit lingual caries |
Maxillary lateral incisor, lingual cusp |
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Maximally first molar oblique bridge runs from.... |
Distobuccal cusp to mesiolingual cusp |
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Which root is the widest and strongest |
Mesial root of mandibular first molar |
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Tooth with tendency to have divergent roots |
Maxillary first molar |
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Tooth with the most unique anatomy |
Primary first mandibular molar |
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First deciduous incisors erupt at __ months. |
6 |
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Primary dentition generally complete by age ___ months. |
30 |
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Primary dentition begins formation as early as ___ weeks in utero. |
6 |
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Primary teeth eruption sequence. |
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The permanent dentition begins formation as early as _____ months in utero. |
4 |
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Permanent teeth eruption sequence |
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Teeth most likely to lack adequate eruption space and may become impacted. |
Max cuspid, mand 2nd premolar |
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