# Mixed dentition growth spurt for boys occurs at the age of:
A. 8-11 years
B. 7-9 years
C. 14-16 years
D. 11-13 years
The correct answer is A. 8-11 years.
Growth spurts do not take place uniformly at all times. The periods of sudden acceleration of growth spurts are known as growth spurts.
The following are the timings of growth spurts:
• Just before birth.
• One year after birth.
• Mixed dentition growth spurt
- Boys : 8-11 years
- Girls : 7-9 years
• Adolescent growth spurt
- Boys : 14-16 years
- Girls : 11-13 years
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