拔除并即刻替换恒河猴切牙对牙齿垂直松动度的影响。
The effect on vertical tooth mobility of extraction and immediate replacement of incisors (Macaca fascicularis).
作者信息
Picton D C
机构信息
University College & Middlesex School of Dentistry, London, England.
出版信息
Arch Oral Biol. 1991;36(1):85-7. doi: 10.1016/0003-9969(91)90057-2.
PMID:2012530
Abstract
Intrusive displacement of 7 incisors was measured before and within 3 min of extraction. A substantial increase in intrusion with recovery from loads of 4 N followed replacement of the incisors. These changes are taken to indicate that tension is an important mechanism of support in the intact periodontal ligament.
摘要
在拔除7颗切牙前及拔牙后3分钟内测量其侵入性移位。在4N负荷下恢复后，随着切牙复位，侵入明显增加。这些变化表明张力是完整牙周膜中一种重要的支持机制。
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