ABE WRITTEN EXAM QUESTIONS & ANSWERS
Where are the A-delta fibers located?
In the pulp-dentin border, in the coronal portion of the pulp and pulp horns.
What kind of bacteria is E faecalis?
Gram positive facultative anaerobe. Has a proton pump to help it adapt to harsh
environments.
What is the most relevant bacteria in persistent infections?
Actinomyces
How often is biofilm found in crack?
100% of the time, especially when the crack extends into the dentin.
What is the maximum splint time for a root fracture?
Flexible splint for 4 weeks or as long as 4 months.
What is the most common malignant bone lesion?
Osteosarcoma
How many people referred for endo consult have a sinus tract?
18%
What percent of horizontal root fractures go necrotic?
20%
What muscle is relaxed when the mouth is open?
Temporalis
Treatment guidelines for intrusive luxations for immature teeth
If under 7 mm, allow for spontaenous re-eruption, surgical over 7 mm.
Treatment guideline for intrusive luxations on mature teeth
if under 3 mm, allow for spontaneous eruption or orthodontic repositioning after 3
weeks. 3-7 surgical or orthodontic repositioning. Over 7 mm, surgical and splint.
What is the most common cause of liver disease?
Acetaminophen
,Most common cause of renal disease?
Diabetes
What local anesthetic do you use with liver disease?
Septocaine is preferred
How much epinephrine is an adult EpiPen?
.3 mg
How do you treat methemoglobinemia?
Methylene blue IV injection
Most common drug allergy is?
Benzodiazepines
What is the incidence of mechanical allodynia in patients with SIP?
57.2% according to Hargreaves paper
What is the prognosis on perforation repair according to location?
Perforations coronal to the crestal bone level have a better prognosis that at the level.
Apical to the crestal level have a good prognosis as well.
What is the incidence of a mid mesial canal?
According to Nosrat, 20 %. 32% for under 20 yrs, 24% for 21-40, and 4% for over 40
yrs.
Incidence of 2 foramina in mandibular incisors?
41% have two canals, but only 1.3% have 2 separate foramina
What type of dentinogenesis is related to osteogenesis imperfecta?
DI type I. Has a collagen type I problem.
Risk factor of trigeminal neuralgia for multiple sclerosis?
TN is 400x more likely if you have MS
What is a type I and II error?
Type I is false positive, and Type II is false negative.
What non-parametric test is equivalent to ANOVA?
Mann Whitney
How long should you wait to perform emergency tx on someone on dialysis?
, Avoid tx 4-6 hours within dialysis. Best time is the day in between.
What irrigant is the best for survival of stem cells?
EDTA. It also releases growth factors from dentin.
How long do you wait to give a pre-med antibiotic after they've already taken one?
Wait 10 days to for re-establishment of usual oral flora.
What is Den Evaginatus?
Outfold of enamel. Most common in mandibular premolars.
What bacteria is cultured from contaminated gloves in endodontics?
Propionibacterium acnes and Staph epidermis
What symptom is most often present with toothache symptoms?
Migraine
What does light and laser activated bleach increase?
Substance P values.
What is the primary sole etiology of invasive cervical resorption?
Orthodontics. Followed by trauma and intracoronal bleaching.
What natural herbs and medicines increase bleeding?
Gingko, ginseng, and garlic
Difference between granulation tissue and granulomatous tissue?
Macrophages are found more commonly in granulomatous (granuloma) tissue.
Difference between granuloma and cyst?
Epithelial layer
Tell tale radiograpic sign of Paget's disease?
Cotton wool appearance
How do you manage a patient on blood thinners?
Local hemostatic measures (epi and racelets). Discontinuing medication not advised.
What do you give a patient with von Willebrand's disease Type I before surgery?
Desmopressin
What is the recommended dosage of triazolam/halcion for adults?
Where are the A-delta fibers located?
In the pulp-dentin border, in the coronal portion of the pulp and pulp horns.
What kind of bacteria is E faecalis?
Gram positive facultative anaerobe. Has a proton pump to help it adapt to harsh
environments.
What is the most relevant bacteria in persistent infections?
Actinomyces
How often is biofilm found in crack?
100% of the time, especially when the crack extends into the dentin.
What is the maximum splint time for a root fracture?
Flexible splint for 4 weeks or as long as 4 months.
What is the most common malignant bone lesion?
Osteosarcoma
How many people referred for endo consult have a sinus tract?
18%
What percent of horizontal root fractures go necrotic?
20%
What muscle is relaxed when the mouth is open?
Temporalis
Treatment guidelines for intrusive luxations for immature teeth
If under 7 mm, allow for spontaenous re-eruption, surgical over 7 mm.
Treatment guideline for intrusive luxations on mature teeth
if under 3 mm, allow for spontaneous eruption or orthodontic repositioning after 3
weeks. 3-7 surgical or orthodontic repositioning. Over 7 mm, surgical and splint.
What is the most common cause of liver disease?
Acetaminophen
,Most common cause of renal disease?
Diabetes
What local anesthetic do you use with liver disease?
Septocaine is preferred
How much epinephrine is an adult EpiPen?
.3 mg
How do you treat methemoglobinemia?
Methylene blue IV injection
Most common drug allergy is?
Benzodiazepines
What is the incidence of mechanical allodynia in patients with SIP?
57.2% according to Hargreaves paper
What is the prognosis on perforation repair according to location?
Perforations coronal to the crestal bone level have a better prognosis that at the level.
Apical to the crestal level have a good prognosis as well.
What is the incidence of a mid mesial canal?
According to Nosrat, 20 %. 32% for under 20 yrs, 24% for 21-40, and 4% for over 40
yrs.
Incidence of 2 foramina in mandibular incisors?
41% have two canals, but only 1.3% have 2 separate foramina
What type of dentinogenesis is related to osteogenesis imperfecta?
DI type I. Has a collagen type I problem.
Risk factor of trigeminal neuralgia for multiple sclerosis?
TN is 400x more likely if you have MS
What is a type I and II error?
Type I is false positive, and Type II is false negative.
What non-parametric test is equivalent to ANOVA?
Mann Whitney
How long should you wait to perform emergency tx on someone on dialysis?
, Avoid tx 4-6 hours within dialysis. Best time is the day in between.
What irrigant is the best for survival of stem cells?
EDTA. It also releases growth factors from dentin.
How long do you wait to give a pre-med antibiotic after they've already taken one?
Wait 10 days to for re-establishment of usual oral flora.
What is Den Evaginatus?
Outfold of enamel. Most common in mandibular premolars.
What bacteria is cultured from contaminated gloves in endodontics?
Propionibacterium acnes and Staph epidermis
What symptom is most often present with toothache symptoms?
Migraine
What does light and laser activated bleach increase?
Substance P values.
What is the primary sole etiology of invasive cervical resorption?
Orthodontics. Followed by trauma and intracoronal bleaching.
What natural herbs and medicines increase bleeding?
Gingko, ginseng, and garlic
Difference between granulation tissue and granulomatous tissue?
Macrophages are found more commonly in granulomatous (granuloma) tissue.
Difference between granuloma and cyst?
Epithelial layer
Tell tale radiograpic sign of Paget's disease?
Cotton wool appearance
How do you manage a patient on blood thinners?
Local hemostatic measures (epi and racelets). Discontinuing medication not advised.
What do you give a patient with von Willebrand's disease Type I before surgery?
Desmopressin
What is the recommended dosage of triazolam/halcion for adults?
