MF RANDOM

Question 1

Who was the first editor of the AJO-DO?

Answer 1

Dewey

Question 2

When was the ABO formed?

Answer 2

In 1929 in Estes Park, CO under guidance of Dr. Albert Ketcham

Question 3

Who was the first to utilize cephs in the US?

Answer 3

Broadbent

Question 4

Modernized/popularized?

Answer 4

Steiner

Question 5

% of HF to bond to porcelain?

Answer 5

9.6%

Question 6

% of phosphoric acid?

Answer 6

37%

Question 7

% of mouthrinse?

Answer 7

0.05%

Question 8

% of toothpaste?

Answer 8

0.5%

Question 9

What percentage of patient have demin after treatment and when do you treat with fluoride? Which teeth more common?

Answer 9

• 50%
• 2-3 months
• Max incisors more common than mandibular first molars

Question 10

___ ppm F decreases caries by 25%

Answer 10

1 ppm (does not increase solubility)

Question 11

What does HIPAA stand for?

Answer 11

Health Insurance Portability and Accountability Act

Question 12

Who establishes the standard of care?

Answer 12

Courts?

Question 13

What does sterilization eradicate? What does disinfectant eradicate? Heat sensitive?

Answer 13

• Spores, bacteria, viruses
• Bacteria, viruses
• Ethylene oxide & Vaporized hydrogen peroxide

Question 14

Wavelength of curing light?

Answer 14

460-480nm

Question 15

Diode laser wavelengths? What are the primary chromophores?

Answer 15

• 810-980nm
• Melanin, hemoglobin, water

Question 16

What genes are associated with hypodontia?

Answer 16

PAX9 & MSX1 and WNT10A, EDA, SPRY2, SPRY4

Question 17

When does the tongue start to develop and from where? When is it completed?

Answer 17

• 4 weeks
• Arches 1 and 3 (google says 1-4)
• Completed by 8 years??

Question 18

What is the function of neural crest cells?

Answer 18

Migrate through the body, develop at the time of neural tube closure, form odontoblasts & melanocyes
(does NOT form ameloblasts - oral epithelium tissue derived from ectoderm layer)

Question 19

Where do osteoblasts originate?

Answer 19

Arise from mesenchymal cells (neural crest cells –> neuroectoderm –> mesencymal cells (type of CT))

Question 20

Where do ameloblasts originate? Ectoderm vs Mesoderm?

Answer 20

• Derived from oral epithelium tissue (ectoderm –> ectomesenchymal cells of dental papilla)
• Ectoderm: nervous system, enamel, epidermis, dentin, pulp, PDL (neural crest cells)
• Mesoderm: muscles, dermis, bone, cartilage, endothelium of BV, RBC, WBC, kidneys

Question 21

What are osteoclasts and what is their lineage?

Answer 21

• Large multinucleated cells that arise from macrophages
• Myeloid/monocyte lineage that circulates in the blood after formation in bone marrow

Question 22

Calcification of first molars? Upper central and lower incisors? Upper laterals?

Answer 22

• At birth
• 6 months
• 18 months

Question 23

What is the upper/lower leeway space?

Answer 23

• Upper: 1.5-2mm
• Lower: 2-2.5mm

Question 24

% of population with latex allergy? Type I vs Type IV delayed?

Answer 24

• 10-15% (google says 1-5%)
• Type I: immediate urticaria/erythema (natural rubber proteins
• Type IV delayed: contact dermatitis (accelerators like carbamate)

Question 25

What is the red patch of Atherton?

Answer 25

When you move teeth very quickly that epithelial cells can't grow fast enough --> granulation tissue

Question 26

Digital radiographs produce ___ shades of gray 8bit. The human eye can see ___ shades of gray. CBCT can do ___bit.

Answer 26

- 256 - 16 - 12

Question 27

What radiographic adjustments should be made if one see’s a root fracture?

Answer 27

Decrease contrast, increase penetration of X-ray: increase kVp

Question 28

How long can the brain survive without oxygen?

Answer 28

Up to 6 minutes

Question 29

What is the protocol for adult and child CPR?

Answer 29

Adult: 30/2, 100 compressions/minute, lower half of sternum, 2 inches deep Child: If 2 rescuers 15/2, 1/3 chest diameter

Question 30

Medications that cause gingival enlargement?

Answer 30

- Dilantin (anti-seizure) - Nifedipine (calcium blocker) - Cyclosporine (immunosuppressant)

Question 31

How to NSAIDs work?

Answer 31

Inhibit prostaglandin production and increase threshold of pain

Question 32

When are anti-sialogogues contraindicated?

Answer 32

- Acute-narrow angle glaucoma - People wearing contacts

Question 33

What is the arachidonic acid pathway?

Answer 33

- Produces prostaglandins and leukotrienes - Activated by IL1, IL6, TNF-alpha - Leukotrienes and prostaglandins are involved in tooth movement

Question 34

How do plasma rich platelets help with healing?

Answer 34

Increased concentration of growth factor with fibronectin

Question 35

Where is the Jugal point?

Answer 35

Cheek bones, Zygomatic process of temporal bone meets zygomatic bone

Question 36

What is Wolff’s law?

Answer 36

Form follows function

Question 37

Which bacteria is responsible for Perio in ortho?

Answer 37

Bacteriodes?

Question 38

Which bacteria is normal?

Answer 38

P. Gingivalis

Question 39

What is responsible for juvenile Perio?

Answer 39

Aggregatibacter actinomycetemcomitans (Molars and incisors severe Perio)

Question 40

Is PSR okay for ABO?

Answer 40

No

Question 41

T/F Class II Div 2 - More common in females - Less than 10% - Maxillary teeth thinner - M-D width of anterior teeth in mandible smaller - Larger vertical in post growth

Answer 41

- F - T - T - T - T

Question 42

Characteristics of skeletal anterior open bite?

Answer 42

- Decrease in posterior cranial base length - Decrease in posterior facial height - Decrease in ramus height - Increase in anterior facial height - NOT excess mandibular body length?

Question 43

Most common relationship for 2nd deciduous molars?

Answer 43

Flush

Question 44

% of flush that does Class II?

Answer 44

44% - Class I: 56%