Podcast
Questions and Answers
What is the eruption sequence of permanent teeth? (Select all that apply)
What is the eruption sequence of permanent teeth? (Select all that apply)
- Mandibular 1st Molar (correct)
- Maxillary 2nd Premolar (correct)
- Maxillary 1st Premolar (correct)
- Mandibular 1st Premolar (correct)
- Mandibular 3rd Molar (correct)
- Maxillary 1st Molar (correct)
- Maxillary 3rd Molar (correct)
- Maxillary Central Incisor (correct)
- Mandibular Lateral Incisor (correct)
- Mandibular 2nd Molar (correct)
- Mandibular Canine (correct)
- Mandibular Central Incisor (correct)
- Mandibular 2nd Premolar (correct)
- Maxillary Canine (correct)
- Maxillary 2nd Molar (correct)
- Maxillary Lateral Incisor (correct)
When do the Mandibular 1st Molars erupt?
When do the Mandibular 1st Molars erupt?
6-7 years
When do the Maxillary 1st Molars erupt?
When do the Maxillary 1st Molars erupt?
6-7 years
When do Mandibular Central Incisors erupt?
When do Mandibular Central Incisors erupt?
When do Mandibular Lateral Incisors erupt?
When do Mandibular Lateral Incisors erupt?
When do Maxillary Central Incisors erupt?
When do Maxillary Central Incisors erupt?
When do Maxillary Lateral Incisors erupt?
When do Maxillary Lateral Incisors erupt?
When do Mandibular Canines erupt?
When do Mandibular Canines erupt?
When do Mandibular 1st Premolars erupt?
When do Mandibular 1st Premolars erupt?
When do Maxillary 1st Premolars erupt?
When do Maxillary 1st Premolars erupt?
When do Mandibular 2nd Premolars erupt?
When do Mandibular 2nd Premolars erupt?
When do Maxillary 2nd Premolars erupt?
When do Maxillary 2nd Premolars erupt?
When do Maxillary Canines erupt?
When do Maxillary Canines erupt?
When do Mandibular 2nd Molars erupt?
When do Mandibular 2nd Molars erupt?
When do Maxillary 2nd Molars erupt?
When do Maxillary 2nd Molars erupt?
When do Mandibular 3rd Molars erupt?
When do Mandibular 3rd Molars erupt?
When do Maxillary 3rd Molars erupt?
When do Maxillary 3rd Molars erupt?
When is approximately 50% of a permanent tooth's root formation complete at eruption?
When is approximately 50% of a permanent tooth's root formation complete at eruption?
How long after eruption are the roots of permanent teeth completely formed?
How long after eruption are the roots of permanent teeth completely formed?
When is the enamel (crown) of a permanent tooth complete?
When is the enamel (crown) of a permanent tooth complete?
What teeth erupt after the 1st molars and anterior teeth, but before the premolars?
What teeth erupt after the 1st molars and anterior teeth, but before the premolars?
What teeth erupt after the 1st molars, anteriors, and premolar eruption?
What teeth erupt after the 1st molars, anteriors, and premolar eruption?
Except for the first molars, the mandibular teeth follow a perfect ___ to _____ eruption period.
Except for the first molars, the mandibular teeth follow a perfect ___ to _____ eruption period.
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Study Notes
Eruption Sequence of Permanent Teeth
- The eruption sequence begins with the Mandibular 1st Molar and Maxillary 1st Molar, both erupting at 6-7 years.
- Mandibular Central Incisor and Mandibular Lateral Incisor follow, erupting also at 6-7 years and 7-8 years respectively.
- Maxillary Central Incisor erupts at 7-8 years, while Maxillary Lateral Incisor erupts at 8-9 years.
- The Mandibular Canine erupts between 9-10 years.
- Both Mandibular 1st Premolar and Maxillary 1st Premolar erupt at 10-11 years.
- The Mandibular 2nd Premolar and Maxillary 2nd Premolar erupt at 11-12 years.
- The Maxillary Canine also erupts at 11-12 years.
- Mandibular 2nd Molar erupts between 11-13 years, while Maxillary 2nd Molar appears between 12-13 years.
- Mandibular 3rd Molar and Maxillary 3rd Molar erupt later, around 17-21 years.
Root and Enamel Formation
- About 50% of a permanent tooth's root formation is complete upon eruption.
- Roots of permanent teeth are fully formed 2-3 years post-eruption.
- The enamel (crown) of a permanent tooth is completely formed 3 years before eruption.
Tooth Eruption Patterns
- Mandibular Canines erupt after the first molars and anterior teeth, but before premolars.
- Maxillary Canines erupt following the first molars, anteriors, and premolar eruption.
- Except for the first molars, mandibular teeth follow a perfect anterior to posterior eruption pattern.
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