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 :
- Class I
- Class II
- Class III
- 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:
- Type and severity of pain
- Radiographic examination
- Location of swelling
- Periodontal probing
- Vitality test
Key answer is : e.
12)Which condition offers the worst prognosis
- Primary endodontic lesion
- Primary endodontic lesion with secondary periodontic lesion
- Primary periodontal lesion
- True combined Endo-Perio lesion
Key answer is : c .