Chapter 9 Part III Flashcards
Taurodontism is a failure of invagination of what?
Hertwig’s Epithelial root sheath
elongation of crowns at expense of roots
What is the method of action of MTA?
mineralization, formation of tertiary dentin
Anomalies in which morphological developmental stage are associated with AI hypo-plastic type?
Histodifferentiation
For AI hyp-calcified type, it is Mineralization
For the “obstruction” group of acyanotic congenital heart disease, describe this group
defects that cause obstruction (aortic stenosis, coarctation of the aorta) Clinical manifestations include labored breathing and congestive heart failure
PT measures intrinsic or extrinsic clotting function?
Extrinsic
prolonged in liver disease, impaired vitamin K production, and surgical trauma
What is the treatment for Behcet’s Syndrome?
Steroids, ulcerations on genitals and oral apthae
blood vessel inflammation throughout the body
What molecule reflects the acid-base balance?
bicarbonate
List some conditions associated with periodontal disease:
Papillon-Lefevre cyclic neutropenia agranulocytosis Downs LAD Hypophosphatasia Chediak Higashi Cathepsin-C gene
What is deposited into dentin that makes it sclerotic?
calcium salts
Leukemia, inflammation, trauma, toxicity are a result of:
a) high WBC
b) low WBC
a) high WBC
T/F: For resin infiltration, polymerized filled resin is used to infiltrate (via capillary action) areas of demineralization that are non cavitated. Hydrochloric acid, dessication with air then ethanol, infiltrate the area with filled resin, polymerize with light
FALSE
use UNFILLED resin
T/F: Most of the resin-based composite systems available have a volumeric polymerization shrinkage percentages that range between 1.4 and 5.67%
True
The specific gravity of urine is increased or decreased in diabetes mellitus and increased or decreased in nephritis, diabetes insipidus, and aldosteronism
Increased
Decreased
What are two groups of Acyanotic congenital heart disease?
1) Left to right shunting
2) Obstruction
What is the treatment for LAP (localized aggressive periodontitis)?
Metronidazole WITH amoxicillin (or tetracycline if child is over 8 yo) for 7-10 days with debridement.
NOTE: tetracycline is ineffective against AA
NOTE: LAP responds well to therapy, but GAP does NOT respond well to therapy
What is the normal range (%) of shrinkage of resins?
1.4-5.67%
Mineralization of primary teeth in order
A, D, B, D, E
At birth, all primary teeth and first molars are calcifying
What condition is characterized by over-riding aorta, right ventricular hypertrophy, pulmonary stenosis, and VSD?
Tetralogy of Fallot
child will appear blue, hypoxic, clubbing of fingers, cyanotic defect
What is the normal range for hematocrit?
35-50%
Anomalies in which morphological developmental stage result in fusion, hypodontia, congenital absence/gemination, natal teeth, epithelial rests, odontoma?
Proliferation
Which is increased in Hodgkin’s disease, lipid storage disease, recovery from severe infections, monocytic leukemia?
a) Basophils
b) Neutrophils
c) Lymphocytes
d) Eosinophils
e) Monocytes
e) monocytes
Anomalies in which stage result in congenital absence + hypodontia?
a) Initiation
b) Proliferation
b) Proliferation
for initiation, result is anodontia
T/F: A slight fever (temp to 100.5F) is not uncommon the first 48 hours after surgery. If a higher fever develops or the fever persists, have the patient call the office
True
Which type of blood disorder involves mostly muscles and joints?
a) Hem A and B
b) VWD
a) Hem A and B
VWD is in the skin, subcutaneous
Patients presents with teeth that are exfoliating early, what could be elevated in the urine?
phosphoethanolamine
hypophosphatasia
T/F: PTT is prolonged in Hemophilia A, B, and C but not VWD
False, prolonged in BOTH
Chewing tobacco users are ___ times more likely to have decayed dental root surfaces than non-users
four
What is the method of action of formocresol?
tissue fixation
Current bonding systems are marketed as total and self-etch systems. What is total etch?
involves three or two step placement technique, with a separate step for acid etching (traditional way of etching)
What is the method of action for ferric sulfate?
agglutination of blood proteins and control hemorrhage without clot formation (hemostatic)
What is rubeola also known as?
measles
What is self etch?
all-in-one systems that combine acid etchants, primers, and adhesives
Use of available self-etching bonding agents may provide less retention than the total acid etching
What is deposited into dentin that makes it sclerotic?
calcium salts
Dental lamina: location and what are they a remnant of?
Occur on alveolar crest, remnants of dental lamina (gingival cyst of the newborn)
What does bleeding time measure?
quality of platelets
Two ways to measure the oxygen carrying capacity of blood
1) Hemoglobin
2) RBC (4-6 million)
Low: Hemorrhage, anemia
High: Polycythemia
INR measures intrinsic or extrinsic clotting function
extrinsic
INR is increased when on anticoagulant therapy. Normal value=1. Anticoag therapy target range is 2-3
INR/PT: extrinsic
PTT: intrinsic
What is the normal WBC count for a 4-7 yo?
6000-15,000 mm3
Gemination and fusion are most common in which dentition?
primary
Which of the following vitamins are in Enamel and Dentin?
a) A
b) C
c) D
d) Ca
e) Phosphate
c) D
The others are all in enamel but not dentin
A child who receives sealants is ___% less likely to receive restorative services over the next three years than a child who does not
72%
When tissue breakdown occurs, is potassium increased or decreased?
Increased
Which type of blood disorder involves mostly skin, subcutaneous?
a) Hem A and B
b) VWD
b) VWD remember, deep bleeds are hemA and B
involves muscles and joints
Unregulated piercing parlors and techniques have been identified by the National Institutes of Health as a possible vector for disease transmission of what three entities per the guidelines?
1) Hepatitis
2) Tetanus
3) Tuberculosis
T/F: Thrombin mediates platelet-platelet aggregation. The cross-linking action of thrombin stabilizes the clot
FALSE, FIBRIN
Patients presents with teeth that are exfoliating early, what could be elevated in the urine?
phosphoethanolamine
hypophosphatasia
Two ways to measure the oxygen carrying capacity of blood
1) Hemoglobin
2) RBC (4-6 million)
Low: Hemorrhage, anemia
High: Polycythemia
What is a normal range for prothrombin time?
11-13 seconds/ prolonged in liver disease, impaired vitK production, surgical trauma with blood loss
What is the normal range for platelet count?
120,000 - 340,000/mL measures clotting potential
T/F: More than 60% of children ages 4-11 are exposed to environmental cigarette smoke. 60% of teenagers have gingival bleeding on probing. 10% of children have calculus
True
What teeth are calcifying at birth?
All primary teeth and first molars are calcifying
T/F: More than 60% of children ages 4-11 are exposed to environmental cigarette smoke. 60% of teenagers have gingival bleeding on probing. 10% of children have calculus
True
What is in the urine in patients with hypophosphatasia?
urinary phosphoethanolamine
Which microbes are associated with NUG? (2 of them)
1) Spirochetes
2) P. intermedia (fusiform bacteria)
Note: The microbe involved with LAP is Actinobacillus actinomycetecomitans + bacteroides)
Epstein pearls: location and what are they a remnant of?
palatal midline, epithelial inclusion cysts
What material bonds to enamel and dentin via chelation?
Glass ionomer