MCQs in Periodontology

Chapter 2: Classification and Epidemiology of Periodontal Diseases

 

 

  1. Which of the following drugs can cause drug-influenced gingivitis:

 

  1. Dilantin sodium
  2. Nifedipine
  3. Cyclosporin
  4. Oral contraceptives

 

 

 

 

The answer is: D

 

  1. Which of the following is a relatively more common infection of gingiva:

 

  1. Gonorrhoea
  2. Syphilis
  3. Streptococcal gingivitis
  4. Pseudomonas infection

 

 

 

 

The answer is: A

 

  1. Streptococcal gingivostomatitis is usually preceded by:

 

  1. Diarrhoea
  2. Tonsillitis
  3. Gastritis
  4. Sinusitis

 

 

 

 

 

The answer is: C

 

  1. The organisms associated with streptococcal gingivostomatitis:

 

  1. a.-Haemolytic streptococci
  2. B.-Haemolytic streptococci
  3. y-Haemolytic streptococci
  4. Non-haemolytic streptococci

 

 

 

 

The answer is: B

 

  1. Candida infection of gingiva in HIV -Positive patients, presents as erythema of:

 

  1. Marginal gingival
  2. Attached gingiva
  3. Interdental papilla
  4. Gingival crevice

 

 

 

 

The answer is: B

 

  1. An example of factitial traumatic lesion of gingiva:

 

  1. Toothbrush trauma
  2. Iatrogenic trauma
  3. Thermal injury
  4. Chemical injury

 

 

 

 

The answer is: A

 

  1. Which of the following is not a clinical feature of necrotizing periodontitis:

 

  1. Pocket formation
  2. Spontaneous bleeding
  3. Pain
  4. Exposure of alveolar bone

 

 

 

 

The answer is: A

 

  1. In endodontic-periodontal lesions, the periapical infection reaches the oral cavity through:

 

  1. Sinus opening
  2. -Periodontal ligament
  3. Sinus that forms between gingival and alveolar bone
  4. Intragingival route

 

 

 

 

 

The answer is: B

 

  1. Which of the following can cause pulpal necrosis:

 

  1. Trauma
  2. Periodontal pocket
  3. Both of the above
  4. None of the above

 

 

 

 

 

The answer is: C

 

  1. Which of the following is not associated with loss of attachment:

 

  1. groove
  2. Enamel pearl
  3. Enamel projection
  4. Supernumerary cusp

 

 

 

 

 

The answer is: D

 

  1. Which of the following does not promote periodontal destruction:

 

  1. Cemental tear
  2. Cervical resorption
  3. Root fracture
  4. Dilaceration

 

 

 

 

 

The answer is: D

 

  1. Loss of attachment rules out the diagnosis of:

 

  1. Gingivitis
  2. Periodontitis
  3. Both of the above
  4. None of the above

 

 

 

 

 

The answer is: D

 

  1. Which of the following does not have a modifying effect on gingivitis:

 

  1.  Pregnancy
  2. Puberty
  3. Diabetes
  4. Hypertension

 

 

 

 

The answer is: D

 

  1. Which of the following drug- intake, cannot lead to gingival enlargement:

 

  1. Phenytoin
  2. Cyclosporin
  3. Oral contraceptives
  4. None of the above

 

 

 

 

 

The answer is: D

 

  1. Chronic periodontitis occurs in:

 

  1. Adults
  2. Children
  3. Both of the above
  4. None of the above

 

 

 

 

The answer is: C

 

  1. To be diagnosed as the localized form of chronic periodontitis, the number of sites· involved should be less than:

 

  1. 10°/o.
  2. 20°/o
  3. 30%
  4. 40%

 

 

 

 

The answer is: C

 

  1. To be called 'Severe chronic periodontitis', the attachment loss should be more than:

 

  1. 5 mm
  2. 6 mm
  3. 7 mm
  4. D.8 mm

 

 

 

 

 

The answer is: A

 

  1. Aggressive periodontitis occurs in patients who are:

 

  1. Healthy
  2. Having a systemic disease like diabetes
  3. Smokers
  4. HIV-Positive

 

 

 

 

 

The answer is: A

 

  1. Which of the following is not a characteristic of aggressive periodontitis:

 

  1. Familial tendency
  2. Infection with actinobacillus-.actinomycetemcomitans
  3. Hyperactivity of macrophages
  4. Abundant microbial deposits

 

 

 

 

The answer is: D

 

  1. Significant serum antibody response to specific plaque organisms is found in:

 

  1. The localized form of chronic periodontitis
  2. form of chronic periodontitis
  3. The localized form of aggressive periodontitis
  4. The generalized form of aggressive periodontitis

 

 

 

 

 

The answer is: C

 

  1. Which of the following' systemic diseases does not show 'periodontitis' as its· manifestation:

 

  1. Hypophosphatasia
  2. Down's syndrome
  3. Leukaemia
  4. Lichen planus

 

 

 

 

The answer is: D

 

  1. Episodic periodontal destruction is a pronounced feature of:

 

  1. Localized chronic periodontitis
  2. Generalized chronic periodontitis
  3. Localized. aggressive periodontitis
  4. Generalized aggressive periodontitis

 

 

 

 

The answer is: D

 

  1. The mobility of the teeth is graded 3 if:

 

  1. The mobility is 1mm.
  2. The mobility is less than 1mm.
  3. The mobility is in apicoocclusal direction and 1mm in labiolingual direction.
  4. The mobility is in apicoocclusal direction and mobility is less than 1mm in labio-lingual direction.
  5. The mobility is in apicoocclusal direction and mobility in labiolingual direction is more than 2mm.

 

 

 

 

The answer is: E

 

  1. Furcation involvement is measured by:

 

  1. WHO probe.
  2. CPITN probe.
  3. Naber’s probe.
  4. Michigan “O” probe.
  5. Periodontal explorer.

 

 

 

The answer is: C

 

  1. Horizontal bone loss is present in:

 

  1. Localized aggressive periodontitis.
  2. Generalized aggressive periodontitis.
  3. Infrabony pockets.
  4. Chronic periodontitis.
  5. Acute necrotizing ulcerative gingivitis.

 

 

 

 

 

The answer is: D

 

  1. Regional lymph node enlargement is present in:

 

  1. Acute pericoronitis.
  2. Lichen planus.
  3. Pemphigus Vulgaris.
  4. Chronic ulcerative stomatitis.

 

 

 

 

 

The answer is: A

 

  1. Trauma from occlusion is least likely to affect:

 

  1. Enamel
  2. Cementum
  3. Periodontal ligament
  4. Epithelial attachment

 

 

 

 

 

 

The answer is: D

 

  1. Which dentifrices should be used for periodontal patients:

 

  1. Tooth powders with high abrasive content
  2. Toothpaste with high abrasive content
  3. Toothpaste with minimum abrasive content
  4. All of the above

 

 

 

 

The answer is: C