May
17 June 2009
a technique for altering the natural progression of eruption is employed by orthodontists who wish to delay or speed up the eruption of certain teeth for reasons of space maintenance or otherwise prev
if a primary tooth is extracted prior to the root of its succeeding permanent tooth reaching ? of its total growth, the eruption of the permanent tooth will be delayed.
conversely, if the roots of the permanent tooth are more than ? complete, the eruption of the permanent tooth will be accelerated.
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