Root completion of the mandibular first molar takes place by the age_______________?
Correct answer: C. 9-10 years
- A. 7-8 years
- B. 8-9 years
- C. 9-10 years
- D. 10 - 11 years
Explanation
The mandibular first permanent molar erupts at about 6-7 years and completes its root approximately 2-3 years later, at 9-10 years.
Last updated
Practise Development of Teeth
55 free Development of Teeth MCQs from Oral Anatomy, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Oral Anatomy questions like this
Oral Anatomy is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
Related questions
A child has 12 permanent and 12 decidous teeth, what is his age____________?
A new tooth is erupting in the mouth of a one and a half year old child. This tooth is most likely to be a decidous___________?
A radiograph of 4- years old child reveals no evidence of calcification of mandibular second pre molar. This indicates______________?
A six- year molar begins to calcify at______________?
According to Schour & Massler the crown completion of both permanent maxillary and mandibular first molars is________________?