问题
选择题
________ he had not hurt his leg, John wound have won the race.
A．If
B．Since
C．Though
D．When
答案
答案：A
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________ he had not hurt his leg, John wound have won the race.
A．If
B．Since
C．Though
D．When
答案：A
面龋坏，探敏感，冷刺激反应同正常牙，叩(-)龈(-)，
牙体完好，叩(+)龈(-)，冷刺激反应不明显，牙龈位置正常，牙周探诊可探入至颊侧根分叉中部，探深7mm，问及洁牙史，对颌见近中倾斜中位阻生，近中邻面龋洞，探敏感，冷刺激痛，刺激去除后疼痛消失。
塑化治疗、牙周治疗
拔除