德黑兰大学牙科诊所美学区种植牙植入频率：一项描述性研究。
Frequency of Dental Implants Placed in the Esthetic Zone in Dental Clinic of Tehran University: A Descriptive Study.
作者信息
Rasouli Ghahroudi Amir Alireza, Homayouni Ali, Rokn Amir Reza, Kia Fatemeh, Kharazifard Mohammad Javad, Khorsand Afshin
机构信息
Associate Professor, Dental Implant Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran; Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran.
Dental Student, Tehran University of Medical Sciences, Tehran, Iran.
出版信息
J Dent (Tehran). 2015 Dec;12(12):906-12.
OBJECTIVES
Anterior maxilla, known as the esthetic zone, plays an important role in facial and smile esthetics. This study assessed the frequency of implant treatments in the esthetic zone of patients presenting to Dental Implant Department of Tehran University during 2002-2012.
MATERIALS AND METHODS
This descriptive study was conducted on dental records of patients receiving implant treatment during 2002-2012. Patient records were retrieved from the archives and patient demographics, implant characteristics, failure rate, prevalence of complications and implant systems were collected. The data were reported as frequency and percentage.
RESULTS
Of a total of 2,381 implants placed in the mentioned time period, 492 (20.8%) had been placed in the anterior maxilla and 531 (22.3%) had been placed in the anterior mandible from canine to canine. Timing of implant placement was immediate in 12.0%, early in 0.5% and late in 87.4%. Survival rate was 99.1%. Rate of failure was 0.8%. Failure rate was 0.4% in the maxillary and 1.1% in the mandibular canine to canine region. Complications were reported in 10.1% of patients. Rate of complications was 18.3% in the maxillary canine to canine, 8.9% in the mandibular canine to canine, 18.1% in the maxillary first premolar to first premolar and 9.5% in the mandibular first premolar to first premolar. The frequency of bone grafts placed in these areas was 17.6%, 33.9%, 13.6%, 32.1% and 14.3%, respectively.
CONCLUSION
Of implants placed in our center, around 20% were in the anterior maxilla, and delayed implant placement was the most commonly adopted technique.
目的
上颌前部，即美学区域，在面部和微笑美学中起着重要作用。本研究评估了2002年至2012年期间就诊于德黑兰大学种植牙科的患者美学区域种植治疗的频率。
材料与方法
本描述性研究基于2002年至2012年期间接受种植治疗患者的牙科记录。从档案中检索患者记录，并收集患者人口统计学信息、种植体特征、失败率、并发症发生率和种植系统。数据以频率和百分比形式报告。
结果
在上述时间段内共植入2381颗种植体，其中492颗（20.8%）植入上颌前部，531颗（22.3%）植入下颌前部犬牙之间区域。种植体植入时机为即刻种植的占12.0%，早期种植的占0.5%，晚期种植的占87.4%。生存率为99.1%。失败率为0.8%。上颌犬牙之间区域失败率为0.4%，下颌犬牙之间区域为1.1%。10.1%的患者报告有并发症。上颌犬牙之间区域并发症发生率为18.3%，下颌犬牙之间区域为8.9%，上颌第一前磨牙之间区域为18.1%，下颌第一前磨牙之间区域为9.5%。这些区域植骨的频率分别为17.6%、33.9%、13.6%、32.1%和14.3%。
结论
在我们中心植入的种植体中，约20%位于上颌前部，延迟种植是最常用的技术。
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