SEARCH:

If a first molar is lost, the second molar drifts to the:

 # If a first molar is lost, the second molar drifts to the:
A. Distal
B. Mesial 
C. Buccal
D. Lingual



The correct answer is B. Mesial.

When a first permanent molar is lost during childhood or adolescence and not replaced, the second molar drifts mesially and the premolars often tip distally and rotate as space opens between them. 

Ref: Contemporary Orthodontics, Fourth Edition, Page 639.

No comments:

Post a Comment

Add Your Comments or Feedback Here

Subscribe Us: