periodontics Flashcards
Which of the following bacterial species is not associated with adult periodontitis?
a. fusobacterium nucleatum
b. bacteroides forsythus
c. porphymormonas gingivitis
d. shingella sonnei
e. prevotella intermedia
D - shingella sonnei
This is responsible for acute diarrhoea.
When looking at the notes of a patient, you see annotation for a BPE.
What does a score of 3 mean?
a. gingival bleeding, no overhangs or calculus, pockets > 3.5mm
b. pockets within coloured area 4.5-6.5mm
c. black band disappears, pockets > 5.5mm
d. pockets within the black band, 3.5-5.5mm
e. black band disappears, pockets greater than 5.5mm
D
Which of the following statements about ANUG is true?
a. caused by gram-positive anaerobic bacteria
b. characterised by chronic onset
c. affects non-smokers more than smokers
d. caused by acid fast bacilli
e. characterised by interproximal necrosis
E - characterised by interproximal necrosis
- ANUG is caused by gram negative aerobic bacteria
- distinctive smell
- more common in smokers and those with poor OH
The correct treatment of ANUG is:
a. 20% chlorhexidine x 2 daily
b. amoxicillin 500mg x 3 daily for 5 days with 20% chlorhexidine x 2 daily
c. erythromycin 250mg x 4 daily for 5 days and 20% chlorhexidine mouthwash x 2 daily
d. scaling and OHI
e. metronidazole 400mg x 3 daily for 5 days and hydrogen peroxide mouthwash x 2 daily
E - metronidazole and hydrogen peroxide mouthwash
Which of the following conditions predisposes patients with an impaired/defective neutrophil function to severe periodontitis?
a. patterson-brown-kelly syndrome
b. chediak-higashi disease
c. hypothroidism
d. hyperthyroidism
e. gardener’s
B - chediak-higashi syndrome
(immunodeficiency disorder characterised by impaired lysis of phagocytosed bacteria)
In juvenile periodontitis, which bacterium is the recognised aetiological agent?
a. P. gingivalis
b. prevotella intermedia
c. actinobacillus actinomycetemcomitans
d. borrelia burgdorferi
e. fusobacterium intermedium
C - actinobacillus actinomycetemcomitans
Which of the following statements regarding dental calculus is FALSE?
a. it is mineralised dental plaque
b. composed of hydroxyapatite
c. primary cause of periodontitis
d. outer surface remains covered by a layer of plaque
e. forms when plaque is mineralised from calcium and phosphate ions
C
The primary cause of perio is plaque, not calculus.
Which of the following drugs does NOT cause gingival hyperplasia.
a. cyclosporine
b. phenytoin
c. phenobarbital
d. nifedipine
e. diphenylhydantoin (dilantin)
C - phenobarbital
Interleukins are important in the host cell response. Which one of the following interleukins is not derived from T cells?
a. IL-1
b. IL-2
c. IL-3
d. IL-4
e. IL-5
A - IL-1
Which immunoglobulin is found in the greatest quantity in human serum?
a. IgA
b. IgD
c. IgE
d. IgG
e. IgM
D - IgG
(followed by IgA)
When looking at the notes on a patient, you notice that one sextant has an X.
What does this mean?
a. furcation lesion present
b. dentist was unable to decide what score to give the sextant
c. only 2 teeth present in the sextant
d. only 1 or no teeth present in the sextant
e. teeth in the sextant are marked for XLA
D - 1 or no teeth present in the sextant
(furcation lesion is marked with a * )
Which of the following is NOT a sign of chronic gingivitis?
a. marginal redness
b. swelling
c. bleeding on probing
d. stippling
e. increased probing depth
D - stippling
In gingivitis there is a LOSS OF stippling.
Which of the following is NOT a potential pathway for initiation or spread of periodontal inflammation?
a. dentinal tubules
b. lateral and accessory root canals
c. cracks and fracture lines
d. iatrogenic perforations
e. poor irrigation burning the drilling of restorations
E - poor irrigation
(may lead to pulpal irritation and death but not periodontal inflammation)
Which of the following is not a local factor in periodontal disease?
a. poor crown margins
b. badly designed partial dentures
c. smoking
d. diabetes
e. mouth breathing
D - diabetes
Diabetes is a systemic host factor.
Accounts for half the streptococci in plaque and is strongly implicated in half the cases of subacute bacterial endocarditis.
a. actinobacillus actinomycetemcomitans
b. actinomyces israelii
c. borrelia vincentii
d. candida albicans
e. lactobacillus
f. porphyromonas gingivalis
g. treponema pallidum
h. strep milleri
i. strep mutans
j. strep sanguis
J - strep sanguis
Secondary coloniser in caries (mainly dentine).
a. actinobacillus actinomycetemcomitans
b. actinomyces israelii
c. borrelia vincentii
d. candida albicans
e. lactobacillus
f. porphyromonas gingivalis
g. treponema pallidum
h. strep milleri
i. strep mutans
E - lactobacillus
A spirochate which causes syphilis.
a. actinobacillus actinomycetemcomitans
b. actinomyces israelii
c. borrelia vincentii
d. candida albicans
e. lactobacillus
f. porphyromonas gingivalis
g. treponema pallidum
h. strep milleri
i. strep mutans
G - treponema pallidum
Yeast-like fungus, famous as an opportunistic oral pathogen, probably carried as a commensal by most people.
a. actinobacillus actinomycetemcomitans
b. actinomyces israelii
c. borrelia vincentii
d. candida albicans
e. lactobacillus
f. porphyromonas gingivalis
g. treponema pallidum
h. strep milleri
i. strep mutans
D - candida albicans
