Which of the following is not true regarding ectopic eruption of the first permanent molar?

A. Ectopically erupting molars will erupt into their normal position in 66% of the time.
B. Ectopic eruption occurs more often in boys.
C. Ectopic eruption can be corrected by the Humphrey or Halterman's technique.
D. Ectopic eruption occurs more often in the mandible.