question: Statement 1:  It is not advisable to consider permanent crowning until the child is 17 years. 
   Statement 2:   This is because the development of the dentofacial structures would not be complete by  then.
opa: Both the statements are true
opb: Both the statements are false
opc: The first statement is true and the second is false
opd: The first statement is false and the second is true