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临床试验/TCTR20181026001
TCTR20181026001已完成2 期

Clinical evaluation of 3D printed nano-bioengineered bone graft for alveolar ridge preservation: A randomized controlled trial

Faculty of Dentistry Thammasat University0 个研究点目标入组 30 人开始时间: 2018年10月26日最近更新:
适应症

试验速览

阶段
2 期
状态
已完成
发起方
入组人数
30

研究概览

简要总结

暂无简介。

研究设计

研究类型
Interventional

入排标准

年龄范围
18 Years 至 0 N/A (No limit)(—)
性别
All

入选标准

  • 1.Adult patients (Age > 18 years)
  • 2.Good general health (ASA 1, 2) and not contraindication for extraction
  • 3.The diagnosis and indications for extracting tooth are including: endodontic failure or complications (e.g. root fracture), unable to restore from severe caries or crown/root fracture, hopeless prognosis from periodontitis and for prosthodontics reasons.
  • 4.Controlled periodontitis.
  • 5.Smoking history <10 cigarettes per day. For subject who smokes but less than 10 cigarettes per day is requested to stop smoking two weeks before and after extraction and implant placement.
  • 6.No history of allergy or hypersensitivity to any of the products to be used in the study such as polyethylene.
  • 7.Signed informed consent.
  • 8.Only tooth with an intact buccal bone plate (>50%) and No sign of acute inflammation or infection/abscess. The condition of the buccal bone plate will be evaluated intra-surgically immediately after tooth extraction. All extraction sites must present with a minimum width of 2 mm of keratinized gingival tissue.

排除标准

  • 1.Age <18 years.
  • 2.Presence of relevant medical conditions: Patients with bone disease, diabetes mellitus, unstable or life-threatening conditions, or requiring antibiotic prophylaxis. Patients with medication of drugs influencing the bone metabolism or use of bisphosphonates.
  • 3.Smoking status of more than 10 cigarettes/day.
  • 4.Pregnancy or lactation.
  • 5.Patients who cannot take impression (both conventional and digital) and CBCT.
  • 6.Patients who have socket destruction more than 50% after extraction.
  • 7.History of malignancy, radiotherapy, or chemotherapy for malignancy in the past 5 years.
  • 8.History of autoimmune disease or long-term prescribed of steroid drugs.
  • 9.Lack of opposite occluding dentition in the area intended for extraction and subsequent implant placement; absence of adjacent teeth.
  • 10.Presence of dehiscence or fenestration on bone wall of the socket.
  • 11.Unwillingness to return for the follow-up examination

研究者

发起方
Faculty of Dentistry Thammasat University

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