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65 Cards in this Set
- Front
- Back
Which anterior teeth have the widest crown MD? |
maxillary CENTRAL incisors |
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Which teeth have the greatest crown variation? |
maxillary LATERAL incisors |
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Which teeth have a distal offset cingulum? |
Maxillary central incisors Mandibular lateral incisors |
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Which tooth has a prominent mesial marginal groove? |
#5 |
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What tooth is the largest tooth in the maxillary arch? |
1st molars |
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Which teeth have the largest crown in dentition? |
maxillary 1st molars |
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How many roots do mandibular molars have? |
2 |
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Which posterior teeth have the widest crown MD? |
mandibular 1st molars (#19 and #30) |
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Which teeth are wider than they are long? |
primary maxillary central incisors |
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What is freeway space? |
space between upper and lower teeth when mac is relaxed |
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What is Leeway space? |
space when teeth are erupting |
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Overbite is more common in males or females? |
females |
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In what direction does the Curve of Spee run? |
back to front |
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In what direction does the Curve of Wilson run? |
side to side |
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What is centric relation? |
pattern teeth go when you relax and push back lower jaw |
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What is centric occlusion? |
pattern when you normally bite together |
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LUBL stands for what |
lingual upper buccal lower where teeth should meet in centric occlusion |
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BULL stands for what |
buccal upper lingual lower where teeth do not meet |
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What is lateral occlusion? |
lateral movement until canines are cusp to cusp |
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What is the function of the mitochondria? |
power house of the cell |
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What is the function of the endoplasmic reticulum? |
makes/stores proteins
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What is the function of the golgi complex? |
modifies/packages proteins to transport (2nd largest organelle) |
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What are the functions of lysosomes? |
digest waste and foreign material |
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What has the fastest cell turnover? |
JE 5-7 days |
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How fast does the buccal mucosa turnover? |
14 days |
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How fast does the epidermis turnover? |
27 days |
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Where are afferent nerves sent? |
body to brain (sensory) |
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Where are efferent nerves sent? |
brain to body (motor) |
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Which has a faster nerve impulse, myelinated or non-myelinated? |
Myelinated |
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What does a dendrite do? |
receives impulses TOWARD a cell, sends message to cell body |
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What does an axon do? |
conducts impulses AWAY from the cell goes from nerve to nerve |
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What is the process for epithelial repair? |
1. blood clot forms 2. epithelial cells migrate from edge of wound to form layer beneath blood clots 3. blood clot is broken down |
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During polarity, __________ is outside the cell and ____________ is inside the cell |
sodium, potassium |
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What occurs during depolarization? |
sodium floods the cell |
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Where are B cells and T cells made? |
B cells - bone marrow (humoral) T cells - thymus (cellular) |
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What do B cells produce? |
immunoglobulins |
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What is the function of monocytes? |
respond to chemotactic factors |
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Eosinophils and basophils are normally involved with what type of reaction? |
allergic |
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What is the range of normal WBC count? |
4,000 - 10,000 |
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How does local anesthesia work? |
blocks calcium channels |
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What is the difference between a thrombus and embolus? |
thrombus = blood clot embolus = dislodged blood clot |
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What is the order of the skeletal muscle tissue? |
muscle --> muscle fascicle --> myofiber --> myofibrils --> myofilaments |
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What are Nodes of Ranvier? |
myelin sheath gaps |
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What nerve is Bell's Palsy associated with? |
CN 7 - Facial |
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Trigeminal neuralgia is generally ___________ |
permanent |
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What is transient paralysis caused from? |
incorrectly administering IA injection |
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What is the parathyroid gland responsible for? |
controls calcium levels in the blood |
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What is the stomodeum? |
primitive mouth |
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Where do teeth and nervous system come from? |
ectoderm |
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What do odontoblasts make? |
dentin |
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What are two components that must be present for enamel to form? |
stratum intermedium stratum reticular |
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What forms the roots? |
Hertwig's epithelial root sheath (HERS) |
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How many years before a tooth erupts does enamel start to form? |
6 years |
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What is the purpose of the Reduced Enamel Epithelium (REE)? |
forces the tooth away to erupt |
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What does the Tomes process do? |
secretes enamel matrix |
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What happens during the initiation stage of tooth development? |
stomodeum forms with ectoderm |
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What happens during the bud stage? |
dental lamina grows into buds |
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What is the predominant process in the cap stage? |
morphogenesis |
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What develops in the cap stage with a specific form? |
the tooth germ |
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What happens during the bell stage? |
IEE and OEE begin to appear |
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What occurs during apposition? |
enamel, dentin and cementum secreted into matrix |
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What is the most common cell type in the body? |
stratified squamosal epithelium |
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What are Lines of Retzius? |
incremental lines in enamel |
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What makes up the bulk of the dentin? |
circumpulpal dentin |
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What are imbrication lines of von Ebner? |
lines at right angle to tubules, occurs every 5th day of apposition |