MMI CODE QUIZ

A 12-year-old patient presents for a routine check-up. On examining the lower left first molar, you observe no visible cavities, caries, or discoloration. The enamel appears smooth and intact, with stains along the fissure.

How would you classify this tooth using the MMI code system?

• 0

• E

• 7

On examining the upper right canine, you notice a distinct white spot lesion near the buccal gingival margin. The enamel shows a clear opacity without visible cavitation or dentin exposure.

What is the appropriate MMI code for this tooth?

• 0

• E

• 7

A patient presents with a complaint of a small cavity on the tooth. On inspecting the occlusal surface of the lower left second molar, you find a localized cavity in the fissure. No dentin is visible, and probing reveals limited discontinuity in the enamel.

What is the correct classification for this lesion?

• 0

• E

• 7

During an examination, the upper right first premolar displays a cavity with dentin visibly exposed at the buccal pit. There is also a shadow of discolored dentin underneath the enamel.

How would you code this lesion?

• 0

• E

• 7

A young patient presents with enamel hypoplasia on the lower right first molar. The surface shows no carious lesions, cavitation, or discoloration, despite the developmental defect.

What is the correct MMI code?

• 0

• E

• 7

The upper right central incisor exhibits a brown carious discoloration near the gingival margin of the lingual surface. There is distinct loss of enamel integrity but no dentin exposure.

How would you classify this lesion?

• 0

• E

• 7

On examining the lower left first molar, you observe a restoration with a visible gap at the margin. Dentin exposure is noted adjacent to the restoration.

What is the appropriate MMI code for this condition?

• 0

• E

• 7

The lower right second premolar has deep pits and fissures. A gentle probing reveals a limited drop, indicating localized enamel breakdown. No dentin is visible.

How should this be coded?

• 0

• E

• 7

A patient’s upper right first molar has significant crown destruction, leaving only the roots exposed.

What is the appropriate MMI code for this condition?

• 0

• E

• 7

The lower right central incisor shows a brown spot lesion near the gingival margin of 4 years old girl. However, the lesion has not progressed in over a year, with no further discoloration or cavitation.

How should this lesion be classified?

• 0

• E

• 7