True about herpetic gingivostomatitis

 # Which of the following is true about herpetic gingivostomatitis?

A. Common in children

B. Affects the gingiva uniformly

C. Occurs only in adults

D. It occurs on labile mucosa

The correct answer is: A. Common in children.

- Herpetic gingivostomatitis is common in  preschool children. 

- Initially focal areas of the marginal gingiva are red and swollen.

- Labile mucosa is commonly involved in recurrent aphthous ulcers.

CLICK HERE FOR MORE MCQs

Color matching for composites

 # The color matching for composites when done in a dry state, would make the tooth appear:

A. Darker than the adjacent teeth

B. Lighter than the adjacent teeth

C. Same as that of the adjacent teeth

D. Does not have any effect

The correct answer is B. Lighter than the adjacent teeth.

Dehydrated or dry tooth appear whiter in shade.

CLICK HERE FOR MORE MCQs 

Removal of interproximal plaque

 # The method of choice for removal of interproximal plaque is:

A. Unitufted waxed floss

B. Multitufted unwaxed floss

C. Multitufted waxed floss

D. Unitufted unwaxed floss

The correct answer is C. Multitufted waxed floss.

For  areas of tight interproximal contacts, it is usually easier to use waxed than unwaxed floss.

CLICK HERE FOR MORE MCQs

Buttressing bone formation is:

# Buttressing bone formation is:

A. Congenital abnormality

B. Occurs endosteally

C. Occurs periosteally

D. Due to trauma from occlusion

 

The correct answer is D. Due to trauma from occlusion. 

- When excessive occlusal forces resorb bone, the bone attempts to reinforced the thinned bony trabeculae with new bone. This attempt to compensate for lost bone is called buttressing bone formation - may be central or peripheral. Peripheral butteressing boine formation is also called lipping. 

CLICK HERE FOR MORE MCQs