ERUPTION SEQUENCE OF PERMANENT AND DECIDUOUS DENTITION

The term eruption is used to denote the tooth’s emergence through the gingiva but the occlusal definition is equal movement of tooth from the dental bud to occlusal contact.

▪️Eruption sequence in Primary teeth:

Upper

  • Central Incisor: 10 months (8-12 months)
  • Lateral Incisor: 11 months (9-13 months)
  • Canine: 19 months (16-22 months)
  • 1st Molar: 16 months (13-19 months)
  • 2nd Molar: 29 months (25-33 months)

Lower

  • Central Incisor: 8 months (6-10 months)
  • Lateral Incisor: 13 months (10-16 months)
  • Canine: 20 months (17-23 months)
  • 1st Molar: 16 months (14-18 months)
  • 2nd Molar: 27 months (23-30 months)

▪️Eruption sequence of Permanent teeth:

Maxillary Teeth

  • Central Incisor: 7-8 yrs
  • Lateral Incisor: 8-9 yrs
  • Canine: 11-12 yrs
  • 1st Premolar: 10-11 yrs
  • 2nd Premolar: 10-12 yrs
  • 1st Molar: 6-7 yrs
  • 2nd Molar: 12-13 yrs
  • 3rd Molar: 17-21 yrs

Mandibular Teeth

  • Central Incisor: 6-7 yrs
  • Lateral Incisor: 7-8 yrs
  • Canine: 9-10 yrs
  • 1st Premolar: 10-12 yrs
  • 2nd Premolar: 11-12 yrs
  • 1st Molar: 6-7 yrs
  • 2nd Molar: 11-13 yrs
  • 3rd Molar: 17-21 yrs

Dentowesome 2020 @dr.mehnaz

References: Textbook-Pediatric-Dentistry-Nikhil-Marwah

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s