Parental Perception of the Importance of the Permanent First Molar in Their Children.

To evaluate parental knowledge of the importance of the permanent first molar (PFM).
Three hundred and eighty parents filled a 22-item questionnaire assisted by a trained investigator. They were asked to indicate the correct answer from the given list of options in order to assess their awareness about the eruption sequence of primary and permanent teeth and the importance of PFMs.