Rooney T, Berman S, Indresano A T
Department of Oral and Maxillofacial Surgery, Cleveland Metropolitan General Hospital, Ohio 44109.
J Oral Maxillofac Surg. 1988 Jan;46(1):15-8. doi: 10.1016/0278-2391(88)90294-7.
Twenty-nine alveolar ridges were augmented with porous block hydroxylapatite (HA). Sixty-five percent of the implants had to be partially or totally removed within one year. Thirty-eight percent of the patients had significant delay in receiving their dentures because of delayed healing.
29个牙槽嵴用多孔块状羟基磷灰石（HA）进行了增量。65%的种植体在一年内不得不部分或全部取出。38%的患者由于愈合延迟，义齿佩戴出现显著延迟。
