Classical feature of Actinomycosis

# Which of the following is a classical feature of actinomycosis?
a) Extensive induration of lower jaw
b) Multiple subcutaneous nodules
c) Discharging sinuses
d) Sulphur granules in the discharge

The correct answer is D. Sulphur granules in the discharge. 

Actinomycosis commonly involves cervicofacial region. There is development of multiple abscess which drain through skin and the pus contains typical sulfur granules. Histologically, the colonies shows peripheral radiating filaments because of which Actinomycosis is also known as "Ray fungus". 

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Leutic glossitis

# Leutic glossitis is an intra-oral manifestation caused by:
a) Mycobacterium tuberculosis
b) Actinomycosis
c) Trepenoma pallidium
d) Streptococcus

The correct answer is C. Trepenoma pallidium. 

Leutic glossitis or syphilitic glossitis is atrophic or interstitial glossitis due to tongue involvement by treponema. The importance of leutic glossitis is the chance of undergoing malignant transformation. This type of glossitis is most characteristic and is due to endarteritis obliterans. It is seen in tertiary syphilis.

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Bacterial disease with oral manifestation

# A bacterial disease with oral manifestations is:
a) Herpes
b) measles
c) Diphtheria
d) leishmaniasis 

 

The correct answer is C. Diphtheria. 

Oral manifestations of diphtheria includes "diphtheric membrane" which usually begins on tonsils. The patients will have peculiar nasal twang and may exhibit nasal regurgitation of liquids. There is temporary paralysis of soft palate during third to fifth weeks of disease. 

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Susceptibility to dental caries

# Which of the following individual show susceptibility to dental caries?
a) Hereditary fructose intolerance
b) Down syndrome
c) Pierre robin syndrome
d) Epidermolysis bullosa

The correct answer is D. Epidermolysis bullosa.

Junctional epidermolysis bullosa and recessive variant Epidermolysis bullosa dystrophic variant manifest severe disturbances in enamel and dentin formation. The recessive form may also manifest rudimentary teeth, congenitally absent teeth, hypo plastic teeth, crowns denuded of enamel.

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