16.
Which stain is found on the buccal surfaces of maxillary molars and on the lingual
surfaces of mandibular incisors?
a. Brown stain.
b. Enamel hypoplasia.
c.
Green stain.
d. Fluorosis.
e. Black stain.
17.
Which stain is seen most commonly on the facial surfaces of the maxillary anterior
teeth?
a. Brown stain.
b. Enamel hypoplasia.
c.
Black stain.
d. Fluorosis.
e. Green stain.
18.
Which stain is the result of hemolytic anemia causing an excess amount of blood-
forming pigment to be circulated in the blood?
a. Pulpal disease.
b. Porphyria.
c.
Black stain.
d. Erythroblastosis fetalis.
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MD0513
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