Питання 60 з 243

Following the formation of the tooth germs for the primary (deciduous) teeth—at the beginning of the 5th month of embryogenesis—certain factors damage the growth potential of the dental lamina located posterior to these germs. What is a possible serious consequence?

1. A The formation of permanent tooth germs will not occur
2. B The formation of Hertwig’s epithelial root sheath will be disrupted
3. C The neck of the enamel organ will fail to disintegrate
4. D The formation of the oral vestibule will be impaired
5. E Dentin formation in the primary teeth will not occur

Правильна відповідь: A. The formation of permanent tooth germs will not occur