Question 1: What is the first permanent tooth to erupt?
- A. First premolar
- B. Second premolar
- C. First molar (Correct Answer)
- D. Second molar
Explanation: ***First molar***
- The **first molars** are typically the first permanent teeth to erupt, usually around **6 years of age**.
- They erupt distal to the primary second molars and are not preceded by primary teeth, making them crucial for establishing the **occlusion**.
*First premolar*
- **First premolars** typically erupt later, between **10 and 11 years of age**, replacing the primary first molars.
- Their eruption is part of the **exchange of primary teeth** for permanent successors.
*Second premolar*
- The **second premolars** erupt even later, usually between **11 and 12 years of age**, replacing the primary second molars.
- They are also involved in the **replacement of primary teeth**, not the initial permanent eruption.
*Second molar*
- **Second molars** erupt much later than the first molars, typically between **11 and 13 years of age**, distal to the first molars.
- They are part of the **later stages of permanent dentition development**.