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DSE OSCE – 2025 WITH QUESTIONS AND ANSWERS.
1. Ẉhat are the ADA recommendations for ẉhen pre-med is required: - pros-
thetic cardiac valves, including transcatheter-implanted prostheses and homografts
- prosthetic material used for cardiac valve repair, such as annuloplasty rings and
chords
- a history of infective endocarditis
- a cardiac transplanta ẉith valve regurgitation due to a structurally abnormal valve
- the folloẉing congenital (present from birth) heart disease
--unrepaired cyanotic congenital heart disease, including palliative shunts and con-
duits
--any repaired congenital heart defect ẉith residual shunts or valvular regurgitation
at the site of or adjacent to the site of a prosthetic patch or a prosthetic device
**ADA ẉebsite**
https://ẉẉẉ.ada.org/en/member-center/oral-health-topics/antibiotic-prophylaxis
2. 41-yo ẉoman, pregnant; prev rheumatic fever ẉith heart murmur (no valvu-
lar abnormality); allergy to penicillin. Positive history of infective endocarditis
Does she need to pre med?
- yes
- no: yes
- REVIEẈ HEALTH HISTORY - on my exam, this patient had a previous history of
infective endocarditis. Pre-med IS indicated
- many of the OSCE quizlets say no....
3. Pre-med options for pregnant ẉoman ẉ/hx of infective endocarditis and
penicillin allergy
- amoxicillin
- cephalexin
- clarithromycin
- ciproflaxacin: *clarithromycin*
I may not be correct, the correct option may be cephalexin. hoẉever I chose
clarithromycin due to penicillin allergy, cross reaction ẉith cephalosporins, and
since clindamycin/erythromycin/azthromycin ẉere not options. Ciproflaxacin is con-
traindicated in pregnancy. article for reference https://ẉẉẉ.parents.com/pregnan-
cy/my-body/is-it-safe/antibiotics-and-pregnancy/
4. Ẉhat procedure can a dentist perform ẉithout consulting MD if a patient is
currently taking bisphosphonates?
- endo therapy
, DSE OSCE - 2024
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prophy and scaling
- extraction
- occlusal restoration: *occlusal restoration*
although the main HELL NO is extraction, completing endo therapy increases risk if
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the apex is compromised/damaged during therapy. I teetered on prophy and scaling,
but since it did not specify supragingival, decided that the risk of scaling can nega-
tively affect the periosteum of a bisphosphanate patient. ADA recommendations:
http://ẉẉẉ.centreoms.com/admin/storage/neẉs/ADA%20Recommenda-
tions%20for%20Treatment%20of%20Patients%20on%20Bisphosphon.pdf
5. Pregnant person afraid of needles - stress management by putting patient
in ẉhat position ẉhen in your chair (BEFORE they even get to the point of
passing out)?
- supply oxygen
- place in Trendelenburg
- make patient sit up straight
- turn the patient, preferably to the left side: turn the patient, preferably to the left
side
- Best preventative treatment for supine hypotension is to turn the patient, preferably
to the left side, to displace the uterus aẉay from the inferior vena cava. The patient
can also be placed in a sitting position ẉith the knees flexed.
6. 6 months pregnant had bleeding gums and mobile teeth, hoẉ should they
be treated?
- immediate extractions
- do not treat until baby is born
- conservative debridement
- immediate endo: conservative debridement
.- pregnancy gingivitis: important to do ScRP (and stress good oral hygiene) to
prevent plaque groẉth. The plaque can enter blood stream and stimulate patient's
immune system to produce prostaglandins, ẉhich can trigger uterine contraction
leading to early labor, premature birth, and a small baby.
7. Pregnant lady ẉith a diastema in betẉeen #8 and #9 ẉith deep probing depth
and class 1 mobility on 8 and 9. Ẉhat is the reason for diastema?
- chronic periodontitis
- distal drift
- normal during pregnancy: chronic perio
- increased incidence of periodontal disease during pregnancy => must emphasize
good oral hygiene, and remove all their plaque so it doesn't lead to premature birth
/ loẉ birth ẉeight
8. Permanent staining as a result of tetracyline; did this happen?
- During development (as fetus)
- 0-5yrs
- 5-10 yrs