Sample Questions

1) Periodontal attachment loss detect clinically:
a- When there is recession only.
b- When there is recession and/or true pocket.
c- When there is radiographic alveolar bone loss.
d- When there is true pocket only.
Key answer is: b.

2) Periodontal attachment loss measure clinically from:
a- Gingival margin to the base of the pocket.
b- CEJ to the gingival margin.
c- CEJ to the base of the pocket.
Key answer is: c

3) 40 years diabetic patient, present clinically with periodontal attachment loss
and diagnosed as having periodontitis. According to AAP 1999 classification
of periodontal diseases, the type of periodontitis in this case is:
a- Aggressive periodontitis.
b- Chronic periodontitis modified by systemic condition.
c- Periodontitis as a manifestation of systemic disease.

Key answer is b


4)Planning of periodontal surgery best accomplished at:
a- Phase I therapy.
b- After phase I therapy and before re-evaluation.
c- After phase I therapy and during re-evaluation visit.
d- Can be planned at any phase of periodontal therapy.
Key answer is: c.


5)Adult patient present clinically with irregular thickness of buccal gingiva, a
round diamond bur used to correct and establish a physiological gingival contour.
The type of this procedure is/are:
a- Gingivoplasty.
b- Gingivectomy.
c- Combined gingivoplasty & gingivectomy.
d- None of the above.
Key answer is a


6) Offset angulation is characteristic feature of:

a. Sickles.

b. Universal curetts.

c. Gracey curetts.

d. Chisels.


Key answer is c


7)The best documented local anti-microbial for oral use for the treatment of gingivitis is:

a. Sanguinarine

b. Chlorhexidine

c. Tetracycline

d. Metronidazole


Key answer is b


8) The first bacteria to deposit on the tooth surface in plaque formation are:

a. rods

b. G+ rods

c. Spirochetes

d. G+ cocci

e. G- Cocci

Key answer is d

 

9) Periodontal surgery can be classified into many types, of those types is/are:

a- Periodontal flap surgery, periodontal plastic surgery, resective osseous

surgery.

b- Transalveolar surgery, implant surgery, resective osseous surgery.

c- Gingival curettage, Periodontal flap, Surgical extraction.

d- Gingevectomy, Regenerative periodontal surgery, surgical closure of

oro-antral fistula.

Key answer is: a.

10)The following describes a degree of furcation involvment ; name the class, “ Probe enters furcation and there associated bone destruction in the furcation.” The lesion may extend in a horizontal direction for several mm, but is not through and through :

 

  1. Class I
  2. Class II
  3. Class III
  4. Class IV

Key answer is : b .

 

11)The most important factor in differentiating between a periapical abcess and a periodontal abcess , associated with an upper lateral incisor is:

 

  1. Type and severity of pain
  2. Radiographic examination
  3. Location of swelling
  4. Periodontal probing
  5. Vitality test

Key answer is : e.

12)Which condition offers the worst prognosis

 

  1. Primary endodontic lesion
  2. Primary endodontic lesion with secondary periodontic lesion
  3. Primary periodontal lesion
  4. True combined Endo-Perio lesion

Key answer is : c .