求翻译：纳入标准：①上颌前牙区单颗牙缺失者。②外伤导致根折无法保留上前牙者。③唇侧骨壁较薄是什么意思？

Inclusion criteria: ① The maxillary anterior region single tooth missing. The ② trauma lead to root fracture can not leave the anterior teeth. ③ labial bone thin walls <1 mm or defects need to bone graft. ④ treatment of informed consent.

Integrated into the standard: 1 front teeth maxillary area, teeth missing. 2 injuries result in root, unable to hold the front teeth. Bone 3 lip side wall thinner <1 MM or defects need to be implanted bone. Informed consent for treatment 4.

Integrates the standard:①In front of upper jaw tooth area Shan Keya flaw.②The flesh wound causes the root booklet to be unable to retain goes forward the tooth.③Lip side bone wall thin <1 mm or the damage need to plant the bone.④Knows the circumstances of the matter the sympathizer to the treatme

Inclusion criteria: ① maxillary anterior tooth missing. ② trauma leading to root fracture does not retain the upper front teeth. ③ the labial walls thinner <1 mm or defect of bone need bone grafting. ④ for treatment of informed consent.

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