Term
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Definition
| deviations of dental tissues - enamel, dentin, cementum. |
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Term
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Definition
| This is hereditary, metabolic dysfunction, mutations |
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Term
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Definition
| physical or chemical trama, biologic agents, nutritional deficiencies, stress, habits, or environmental conditions |
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Term
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Definition
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Term
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Definition
| condition that is suspected to be family linked but lacks evidence. |
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Term
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Definition
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Term
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Definition
| multiple or extra teeth/ missing teeth |
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Term
What is the most commonly missing tooth?
What is the 2nd most commonly missing tooth? |
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Definition
Maxillary 3rd molars
Mandibular 3rd molars |
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Term
| What is the 2nd most common tooth missing after all wisdom? |
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Definition
| Maxillary Lateral incisors |
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Term
| What is the 3rd most commonly missing tooth? |
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Definition
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Term
| What is the least likely permanent teeth to be missing? |
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Definition
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Term
| If you have extra teeth what is it referred to and where does it occur? |
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Definition
| supernumerary. Midline and molar region of maxilla. Premolar region of mandible. Max more common. |
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Term
II. Give two of the most common examples of each anomaly classification:
1. Supernumerary teeth |
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Definition
a. mesiodens
b. distomolars |
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Term
supernumerary teeth @ the midline are called?
What is the 2nd type and where is it usually located?
Which is more common? |
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Definition
Mesiodens
distomolars distal to 3rd molar.
mesiodens |
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Term
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Definition
| where the supernumerary teeth are buccal or lingual of the molar. |
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Term
what is an odontoma and what 2 types are there?
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Definition
| tumerous anomaly of calcified dental tissue. complex (single mass of dentin, cementum, enamel) and compound - several small masses |
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Term
| what is Dens in dente? What tooth does this normally occur to? |
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Definition
| tooth within a tooth. Perm. Max Lateral incisors |
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Term
| what is the anomoly that has a sharp bend or curve in the root or crown? |
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Definition
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Term
| what is a condition where the roots of the teeth are small in comparison to the crowns? |
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Definition
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Term
| an anomaly that arises when a tooth tries to divide itself or partially twin itselby splitting its tooth germ. |
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Definition
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Term
What is twinning?
where is this seen? |
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Definition
single germ splits, forming 2 nearly identical teeth but remaining fused as one with single root and pulp canal
primary teeth in the anterior |
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Term
This occurs when 2 adjacent tooth germs unite?
If they are connected by cementum what is it called?
by dentin? |
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Definition
Fusion
concressence
fusion |
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Term
what is concresence?
fused through?
Which teeth more prominent? |
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Definition
teeth joined together @ the cementum
Maxillary molars |
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Term
| The excess amounts of secondary cementum is called? |
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Definition
| hypercementosis (happens entire length of root) |
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Term
small masses of excess enamel on the surface of the teeth typically apically to the CEJ?
what formed by and where often found? |
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Definition
Enamel Pearls
misplaced group of ameloblasts, found in bifurcated roots |
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Term
notched or screwdriver shaped incisors?
result from?
what is this in the molar region? |
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Definition
hutchingsons incisors
congenital syphillis
Mulberry molars |
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Term
condition that inhibits enamel formation
caused by? |
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Definition
enamel hypoplasia
inflammation, systemic disease, hereditary |
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Term
| condition that inhibits calcification of enamel? |
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Definition
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Term
a common form of enamel hypocalcification that causes discoloration from excessive amounts of fluoride?
what is the discoloration called? |
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Definition
enamel fluorsis
Mottled enamel |
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Term
| another common hypocalcification that is hereditary only and can appear in primary and permanent dentition that leaves yellow brown flakey teeth? |
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Definition
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Term
what is Turners Tooth?
where normally is it located? |
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Definition
hypocalcification of single tooth occurs if permanent tooth is affected by trauma or infection.
Maxillary incisor |
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Term
| hereditary dentinal developmental abnormality. dentin is gray, brown, or yellow. Pulp chamber completely filled with dentin. |
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Definition
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Term
| a second dentinal developmental condition that is caused by an antibiotic staining the developing teeth? |
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Definition
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Term
What are the teeth that will most likely show abnormal crown shapes?
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Definition
| Max 3rd molars, mand 3rd molars, maxillary lateral incisor, mandibular 2nd premolar |
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Term
| Accessory cusps can be found on which teeth? |
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Definition
| Maxillary molars - cusp of carabelli |
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Term
bifurcated roots
what is the percentage of people who have this on 1st premolar?
which 2 teeth are most likely to be affected by accessory root? |
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Definition
60%
MAndibular canine and premolar
third molars |
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Term
| A severe bend in the root and crown more then 40% is considered? |
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Definition
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Term
| what is a sharp curve or twist only in the root called? |
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Definition
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