➤ Select an age group: < 6 yearsPrimaryDentition 6 – 8 yearsEarly MixedDentition 9 – 11 yearsMixedDentition 12 – 13 yearsPermanentDentition 14 – 17 yearsPermanentDentition AdultPermanentDentition ➤ Identify correct ages for referral or treatment: Download the PDFDownload Primary teeth eruption and exfoliation chart Permanent teeth development and eruption chart