The physical arrangement of bone is permanently fixed.Only externally originated pressure or tension from orthodontic forces cause bone apposition and resorption.
A) Both statements are true.
B) The first statement is true;the second statement is false.
C) The first statement is false;the second statement is true.
D) Both statements are false.

Question

Quizplus · Accepted Answer

Bone tissue is continually undergoing change.The evolving architectural arrangement of the trabeculae,the interlacing meshwork that makes up the cancellous bone framework,is directly related to the demands of function.Bone apposition (growth)and resorption are related to functional demands.Orthodontic corrective forces involve placement of pressure-causing appliances to correct malocclusion.

The Physical Arrangement of Bone Is Permanently Fixed