MCQs 121 Periodontology Dr. Sin Sowatha 2019
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- 1.The distance between the apical extent of calculus and alveolar crest in human periodontal pockets is:?
- A.
1.97 mm (=33.16%).
- B.
0.2 mm.
- C.
3 mm.
- D.
4 mm.
- E.
0.02 mm.
- 2.Average human biologic is:?
- A.
2 mm.
- B.
3 mm.
- C.
4 mm.
- D.
1 mm.
- E.
0.5 mm.
- 3.The amount of gingival crevicular fluid is:?
- A.
Increased by tooth brushing and gingival massage.
- B.
Decreased when inflammation is present.
- C.
Increase by trauma from occlusion
- D.
Decreased by mastication of coarsee (គ្រោគគ្រាត គគ្រើម) food and smoking.
- E.
Decreased by ovulation and hormonal contraceptives.
- 4.Dentogingival unit:?
- A.
Is junction epithelium and gingival fibers.
- B.
Is sulcular epithelium and gingival fibers
- C.
Is sulcular epithelium and periodontal fibers.
- D.
Is junction epithelium and periodontal fibers.
- E.
Is oral epithelium and gingival fibers.
- 5.Excisional new attachment procedure involves:?
- A.
Internal bevel incision from the margin of the gingival apically to point below bottom of pocket.
- B.
A periodontal flap.
- C.
A free gingival graft
- D.
A regenerative osseous procedure.
- E.
Root planning.
- 6.Root planning is:?
- A.
Removal of disease cementum along with other root deposits.
- B.
Removal of material Alba and stains from root surface.
- C.
Removal of soft tissue wall of the periodontal pocket.
- D.
Removal of calculus and plaque from root surface.
- E.
Removal of food debris from tooth surface.
- 7.False gingival enlargement is caused by:?
- A.
Underlying dental and osseous structures.
- B.
Underlying drug induced gingival enlargement.
- C.
Underlying inflammation of periodontal ligament.
- D.
By epulis.
- E.
Sarcoidosis (រោគពកសាច់)
- 8.Subclinical gingivitis is:?
- A.
Characterized by increased crevicular fluid flow and infiltration of sulcular and junction epithelium by polymorphonuclear leukocytes.
- B.
Characterized by vascular proliferation.
- C.
Characterized by predominantly lymphocytes microscopically.
- D.
Characterized by predominantly plasma cell microscopically.
- E.
Characterized by erythema, bleeding on probe.
- 9.Risk factors of periodontal disease are:?
- A.
Smoking, Diabetes, Poor Oral Hygiene, Osteoporosis, HIV/AIDS, Medications and Stress.
- B.
Smoking, Diabetes, Poor oral hygiene
- C.
Smoking ,Diabetes, Poor Oral Hygiene, Osteoporosis
- D.
Smoking ,Diabetes, Poor Oral Hygiene, Osteoporosis, HIV/AIDS
- E.
Smoking ,Diabetes, Poor Oral Hygiene, Osteoporosis, HIV/AIDS, Medication
- 10.Dental plaque adheres to the tooth surface by?
- A.
Dextran (insoluble and sticky).
- B.
Bacteria,
- C.
Sucrose,
- D.
Epithelial cells
- 11.Heamatological disorder associated with periodontal disease is?
- A.
AIDS.
- B.
Hypophosphatesia,
- C.
Wegener’s granulomatosis,
- D.
Histiocytosis X
- 12.Indications for muco-gingival surgery include the following except:?
- A.
Infrabony pocket.
- B.
A shallow vestibule.
- C.
Insufficient attached gingiva.
- D.
A high frenum attachment.
- 13.Which one in Phase I therapy (non-surgery phase):?
- A.
Plaque biofilm control, Diet control, Scaling and Root planning to removal plaque and calculus correction of contributing and prosthodontics factors, antimicrobial therapy (Local or systemic), Occlusal therapy.
- B.
Plaque biofilm control, Diet control, Scaling and Root planning to removal plaque and calculus.
- C.
Periodontal surgery, including placement implant, Endodontic therapy.
- D.
Final restoration, Fixed and removable prosthodontics, Evaluation of restoration periodontal examination.
- E.
Plaque biofilm and removal calculus, periodontal condition (pocket, inflammation) occlusion and tooth mobility, other pathologic change.
- 14.A compound periodontal pocket is:?
- A.
Present on two or more tooth surfaces.
- B.
Spiral type of pocket.
- C.
Infrabony in nature.
- D.
No, right answer.
- 15.Periodontal pocket wall between tooth and bone is:?
- A.
Infrabony pocket.
- B.
Suprabony pocket.
- C.
Gingival pocket.
- D.
Pseudo pocket.
- 16.ឧបករណ៏តម្រូវការសម្រាប់ periodontal index:?
- A.
Light, Mouth mirror and explorer (periodontal probe).
- B.
Light.
- C.
Light and Mouth mirror.
- D.
Light, Mouth mirror and graduated probe.
- 17.The earliest clinic sign of chronic gingival inflammation:?
- A.
Bleeding on probing.
- B.
Erythema.
- C.
Oedema.
- D.
Loss of stippling.
- 18.A 27 year-old male presents to your office with the following signs: loss of interdental and marginal tippling, blue-red tissue color, the junction epithelium at the CEJ, and bleeding upon gentle probing. Your diagnosis is?
- A.
Chronic gingivitis.
- B.
Gingival recession
- C.
Systemic infection
- D.
Advanced periodontal disease, (periodontitis)
- E.
Melanin pigmentation
- 19.Gingival abrasio9nj is caused by:?
- A.
Faulty brushing
- B.
Soft tissue friction
- C.
Tooth malposition
- D.
High frenal attachment
- 20.Which of the following is usually not caused by gingival recession:?
- A.
Periodontal abcess
- B.
Hypersensitivity
- C.
Root caries
- D.
Pulpal hyperaemia
- 21.30 years female pregnant patient, upon periodontal clinical examination, there was gingival bleeding on probing, edema and redness of gingival margin, and poor oral hygiene. Diagnosis of this case according to AAP 1999 periodontal diseases Classification is: ………?
- A.
Plaque induced gingival disease modified by systemic factor.
- B.
Non-Plaque induced gingival disease or lesions.
- C.
Plaque induced gingival diseases associated with dental plaque only.
- 22.16 years boy, present clinically with attachment loss related to 1st Molars and Incisors only. Diagnosis of this case according to AAP 1999 periodontal diseases Classification is: ……?
- A.
Localized aggressive periodontitis.
- B.
Generalized aggressive periodontitis.
- C.
Generalized juvenile periodontitis.
- D.
Localized juvenile periodontitis.
- 23.40 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.
Chronic periodontitis modified by systemic condition.
- B.
Aggressive periodontitis.
- C.
Periodontitis as a manifestation of systemic disease.
- 24.Periodontal pockets can BEST be detected by: ……………?
- A.
Probing the sulcular area.
- B.
Radiographic detection
- C.
The color of the gingival
- D.
The contour of the gingival margin
- 25.Scaling process removes: ………………………?
- A.
Calculus and Plaque
- B.
Calculus
- C.
Plaque
- D.
Non, Right answer
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