Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
81 Cards in this Set
- Front
- Back
What type of disorder is fetal alcoohol syndrome?
|
Developemental
|
|
Facially or orally, what is a very common trait of FAS that you might see?
|
Cleft lip or palate
|
|
What is actually happening to cause the FAS disorder?
|
Alcohol crosses the placenta.
*Any amount of alcohol may cause this syndrome. There is no safe amount of alcohol.* |
|
Another name for Down's syndrome is…
|
Trisomy 21
|
|
What can be said about the caries rate vs perio rate in people afflicted with Down's syndrome?
|
The cries rate is usually very low but the Perio disease rate is usually much higher.
|
|
What can be said about the number of teeth, eruption patterns & shape of the teeth in folks with Down's?
|
They may have hypodontia
Eruption patterns may be different from "normal" Teeth may be abnormally shaped *Malaligned teeth are also very common.* |
|
What is it about the Down's person's breathing that may lead to xerostomia?
|
They are typically mouth breathers…often see bright red gingiva on the lingual surface.
|
|
Tell me about Xerostomia in the Down's Pt?
|
They may have it.
They are often mouth breathers. * Good Oral hygiene delivered at an appropriate level is essential.* |
|
What age range is Cherubism is usually fisrt (diagnosed) seen?
|
Typically 8-10 year olds.
Can be seen as early as 1 year but not usually diagnosed that early. |
|
What bone is most offen effected by cherubism?
|
The Mandible
|
|
Spongy bone is being replaced by ________ tissue in Cherubism
|
Fibrous
|
|
What is usually seen radiographically in someone afflicted with Cherubism?
|
Multiple well-defined, multiocular radiolucent lesions scattered within the bone.
|
|
What actually is cherubism?
|
Bi-lateral, painless, expansion of the MN
|
|
Cherubism may lead to the ___________ loss of primary teeth & _________ eruption of permanent teeth
|
Premature Loss
Delayed eruption (sometimes the permanent teeth don't come in at all) |
|
What is the condition for missing teeth called?
(Can be seen in cherubism) |
Hypodontia (or partial anodontia)
|
|
What cellular function is depressed in Papillon-Lefevre Sundrome?
|
Neutrophil function is depressed.
(Remember neutrophils are granulocytes and are the most abundant type of WBC) |
|
How does a child appear at birth who is aflicted with Papillon-Lefevre Syndrome?
|
Normal except for reddening of the palms and soles of the feet.
|
|
In Papillon-Lefevre Syndrome, what are the eruption patterns of the teeth…what happens orally with this condition>
|
Eruption patterns are normal!
At age 1.5-2 Pt has inflammation, bleeding and alveolar bone resorption and movility. Get scaly keratosis on soles of hands & feet Teeth are lost prematurly Tissue returns to normal-->Permanent teeth erupt and the process beigns again. |
|
Concerning Papillon-Lefevre Syndrome, what can be said about attempt to prevent premature loss of teeth?
|
All attempts have failed.
|
|
Describe periodontitis in those with Papillon-Lefevre Syndrome?
|
Very Severe Periodontitis beginning prior to age 5
(The jaw doesn't grow properly due to missing teeth.) |
|
What is gingival fibromatosis?
|
The excessive growth of the gingiva beginning early in life and it grows until the teeth are fully covered.
|
|
How is gingival fibromatosis treated?
|
Gingivectomy…but it usually will grow back so the process will be repeated thoughout life.
|
|
What is gingival fibromatosis a manifestation of?
|
Several inherited syndroms
|
|
What is Cleidocranial Dysplasia? (KNOW for BOARDS)
|
A rare condition characterized by partial or complete absence of the clavicles.
**May also have defective ossification of the skull, faulty occlusion due to missing teeth..or may have multiple supernumerary teeth.** |
|
What is another name for Treacher Collins Syndrome?
|
Mandibulofacial dysostosis
|
|
What are some facial characteristics of Treacher Collins Syndrome?
|
Receding Chin
Hypoplasia or absence of zygomatic process Abnormal or misplaced ears Fishlike mouth Lower eyelids have a cleft (Pt's often have difficulty hearing.) |
|
What is the result of the lack of fusion or incomplete fusion of the palate during the 6th-8th week of development?
|
Cleft Palate and/or Cleft Lip
|
|
Nutritionally, what is often the cause of cleft lip of palate?
|
Vitamin deficiency…usually folic acid
|
|
On what surface do you typically see attrition?
|
Incisal edges
|
|
What is attrition?
|
The physiologic wearing away of tooth structure
(usually from internal factors) |
|
What is erosion?
|
The pathologic loss of tooth structure (chemical in nature)
|
|
What is abfraction?
|
The loss of tooth structure at the neck of the tooth.
|
|
What is abrasion?
|
The pathologic wearing away of tooth structure due to external factors..toothbrushing, hair pins etc.
|
|
What is pulpitis?
|
Inflammation involving the pulp.
|
|
Is pulpitis reversible?
|
It can be..if you can get rid of decay the pulp chamber may get better.
If the decay can't be gotten rid of then its irreversible and pain will linger |
|
How does a pulp stone appear on RADS?
|
as an oval opacity within the pulp chamber.
|
|
What causes internal resorption?
|
It can be idiopathic…or it can be destruction from within the tooth.
|
|
What is Pink Tooth?
|
Internal resorption of the pulp.
|
|
What is the most common cause external resorption?
|
Ortho Tx..External resorption is actually more common that internal resorption.
*It can come from Trauma too.* |
|
Which are is most likely to have suppernumerary or accessory teeth?
|
MX
|
|
What is the most common type of supernumerary teeth called?
|
Mesiodens (They may erupt or be impacted)
|
|
Why should a mesiodens be extracted?
|
To avoid mal-occlusion
|
|
What is "true" microdontia?
|
The teeth are dwarf sized. Normal mouth size with teeny tiny teeth.
|
|
What tooth is most common to be a microdontic tooth?
|
MX lateral incisor.
|
|
What is "true" macrodontia?
|
Excessively large teeth in a normal sized mouth.
|
|
What are Peg Laterals?
|
mis formed or conical shaped MX lateral incisors.
*Both primary and perm teeth can be affected.* |
|
Where do you find the cusp of carabelli?
|
MX 1st molar on the ML cusp
|
|
What is a talon cusp?
|
Cingulum of the incisor or caine
|
|
Another name for gemination is?
|
Twinning
|
|
How many pulp chambers and roots are in a tooth with gemination?
|
1 rooth & 1 pulp chamber
(It’s a rare occurance that can be seein in anterior teeth.) |
|
What is it called with 2 adjacent tooth germs join?
|
Fusion
|
|
What is the apperance of fusion?
|
A very large crown that takes the place of 2 teeth.
(Has 2 pulp chambers) |
|
What is concresence?
|
When 2 adjacent teeth are joined by cementum?
|
|
What is it called when 2 adjacent teeth are joined by cementum?
|
Concresence (The condition is detected radiographically.)
|
|
What is dilaceration?
|
Severely bent roots
|
|
Where an enamel pearl usually located?
|
On the buccal or lingual surface of the MX molars (Remember, it’s a small projection of enamel seen on the root surface.)
|
|
What is Taurodontism?
|
An elongated, large pulp changer with short roots (may be without roots)
|
|
What is enamel hypoplasia?
|
Incomplete or defective formation of the enamel.
|
|
What cells are the most sensitve group of cells in the body?
|
Ameloblasts…as such they are easily affected.
|
|
What can cause enamel hypoplasia?
|
High Fever
Nutritional deficiencies Fluorosis Chemicals/Meds |
|
What condition can enamel hypoplasia be confused with?
|
Amelogenesis imperfecta
|
|
What is the difference between amelogenesis imperfecta and enamel hypoplasia?
|
a GENETIC defectect in the development of the enamel
|
|
How many types of amelogenesis imperfecta are there? How many are associated with osteogenesis imperfecta?
|
4 types of amelogenesis imperfecta
1 type is associated with osteogenesis imperfecta (Dentinogenesis Imperfecta) |
|
The most frequent form of Amelogenesis Imperfecta has pitted enamel,(random pits mainly on the buccal and labial surfaces) and may be hypersensitive.
What type is it? |
Type I Hypoplastic
*The ameloblasta malfunction and the enamel is not formed properly or of normal thickness.* |
|
Type II AI (amelogenesis imperfecta) has enamel of normal thickness but is poorly __________.
|
Calcified
|
|
Which type of AI has teeth that erupt with enamel that is yellow-orange in color, is soft and lost quickly?
|
Type II Hypocalcified
*This situation will leave exposed dentin which will stain easily* |
|
How do you polish Type II Hypocalcified AI?
|
Use a tooth brush..don't polish
*The cervical enamel is more calcified and usually remains on the tooth.* |
|
What is Type III AI called?
|
Hypomaturation-->the enamel is of normal thickness but is mottled.
|
|
Type III AI has enamel of a uniform hardness.
How does it appear? |
"Snow Capped"
Usually covers occlusal 1/3 and Maxilla is more involved. |
|
Type IV AI is characterized by thin, yellow-brown pitted enamel and is associated with ____________ (condition).
|
Taurodontism
|
|
What is Type IV AI called?
|
Hypoplasastic-hypomaturation.
|
|
In Dentinogenesis Imperfecta, which teeth are usually more affected? (Primary or Permanent)
|
Primary/Deciduous Teeth
|
|
What is the appearance of dentinogenesis imperfecta?
|
Bulbous crowns w/opalescent brown to bluish hue. *Attrition can be severe*
|
|
Radiographically, how does dentinogenesis imperfecta appear?
|
Bulbous roots
No pulp chambers Roots are short and thin (Believed to be a result of excessive secondary dentin) |
|
What is characteristic of the dentinal tubules with Dentinogenesis Imperfecta?
|
Fewer dentinal tubules
*May not see enamel on RADS depending on loss.* |
|
What is another name for rootless teeth?
|
Dentin Dysplasia
|
|
What is the difference between Type I & Type II of dentin dysplasia?
|
Type 1: is Radicular dentin dysplasia
Type II: Coronal dentinal displasia |
|
Which type of DD (dentin dysplasia) is characterized by: Little or not pulp chamber, the color of teet is normal and both sets of teeth are affected equally?
|
Type 1, Radicular dentin dysplasia
(Type II usually impacts deciduous teeth, has an amber color. When Perm teeth are affected they have a normal color) |
|
What is the oral manifestation of Hypophosphatemic Vitamin D-Rickets?
|
Large pulp chambers w/long pulp horns
Dentin has "cracks" that cause fracturing of enamel |
|
If someone has enamel hypoplasia resulting from fluoride ingestion, wht is the appearance of the teeth?
|
Mottled discoloration of the enamel
|
|
What is tetracycline stain a result of?
|
Ingestion of tetracycline during pregnancy.
|