Dental The best space maintainer for the early Loss of upper primary incisor is the pin and tube maintainer, because A It is aesthetically acceptable B It does not injure the upper tip C It is easy to fabricate D It allows Lateral growth of the bone 💡 Explanation The best space maintainer for the early Loss of upper primary incisor is the pin and tube maintainer, because ✓ Correct Answer: D. It allows Lateral growth of the bone