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

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References: Textbook-Pediatric-Dentistry-Nikhil-Marwah