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审核状态: Project audit state: |
通过审核 Successful |
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注册号: Registration number: |
ChiCTR2200057020 |
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最近更新日期: Date of Last Refreshed on: |
2023-02-03 15:47:58 |
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注册时间: Date of Registration: |
2022-02-26 00:00:00 |
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注册号状态: |
预注册 |
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Registration Status: |
Prospective registration |
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注册题目: |
阻生下颌第三磨牙拔除切口设计对邻近第二磨牙牙周状况及龈下微生物影响的随机对照研究 |
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Public title: |
Effect of incision design of impacted lower third molars extraction on periodontal condition and subgingival microflora of adjacent second molars: A randomized controlled trial |
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注册题目简写: |
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English Acronym: |
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研究课题的正式科学名称: |
阻生下颌第三磨牙拔除切口设计对邻近第二磨牙牙周状况及龈下微生物影响的随机对照研究 |
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Scientific title: |
Effect of incision design of impacted lower third molars extraction on periodontal condition and subgingival microflora of adjacent second molars: A randomized controlled trial |
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研究课题代号(代码): Study subject ID: |
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在二级注册机构或其它机构的注册号: The registration number of the Partner Registry or other register: |
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申请注册联系人: |
张媛 |
研究负责人: |
王兴 |
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Applicant: |
Zhang Yuan |
Study leader: |
Wang Xing |
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申请注册联系人电话: Applicant telephone: |
+86 18334705458 |
研究负责人电话:
Study leader's |
+86 19834048984 |
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申请注册联系人传真 : Applicant Fax: |
研究负责人传真: Study leader's fax: |
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申请注册联系人电子邮件: Applicant E-mail: |
zhangyuan5458@163.com |
研究负责人电子邮件: Study leader's E-mail: |
13934224604@163.com |
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申请单位网址(自愿提供): Applicant website(voluntary supply): |
研究负责人网址(自愿提供): Study leader's website(voluntary supply): |
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申请注册联系人通讯地址: |
山西省太原市新建南路63号 |
研究负责人通讯地址: |
山西省太原市迎泽区新建南路63号山西医科大学口腔医院 |
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Applicant address: |
63 Xinjian Road South, Taiyuan, Shanxi |
Study leader's address: |
63 Xinjian Road South, Yingze District, Taiyuan, Shanxi |
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申请注册联系人邮政编码: Applicant postcode: |
研究负责人邮政编码: Study leader's postcode: |
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申请人所在单位: |
山西医科大学口腔医院 |
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Applicant's institution: |
Shanxi Medical University School and Hospital of Stomatology |
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研究负责人所在单位: |
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Affiliation of the Leader: |
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是否获伦理委员会批准: |
是 |
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Approved by ethic committee: |
Yes |
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伦理委员会批件文号: Approved No. of ethic committee: |
2021SLL022 |
伦理委员会批件附件: Approved file of Ethical Committee: |
查看附件View |
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批准本研究的伦理委员会名称: |
山西医科大学口腔医院科学研究伦理审查委员会 |
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Name of the ethic committee: |
Scientific Research Ethics Review Committee of Shanxi Medical University School and Hospital of Stomotology |
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伦理委员会批准日期: Date of approved by ethic committee: |
2022-02-11 00:00:00 | ||
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伦理委员会联系人: |
任秀云 |
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Contact Name of the ethic committee: |
Ren Xiuyun |
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伦理委员会联系地址: |
山西省太原市新建南路63号 |
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Contact Address of the ethic committee: |
63 Xinjian Road South, Taiyuan, Shanxi |
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伦理委员会联系人电话: Contact phone of the ethic committee: |
伦理委员会联系人邮箱: Contact email of the ethic committee: |
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研究实施负责(组长)单位: |
山西医科大学口腔医院 |
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Primary sponsor: |
Shanxi Medical University School and Hospital of Stomatology |
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研究实施负责(组长)单位地址: |
山西省太原市新建南路63号 |
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Primary sponsor's address: |
63 Xinjian Road South, Taiyuan, Shanxi |
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试验主办单位(项目批准或申办者): Secondary sponsor: |
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经费或物资来源: |
国家自然科学基金 |
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Source(s) of funding: |
National Natural Science Foundation of China |
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研究疾病: |
阻生齿与牙周疾病 |
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Target disease: |
Impacted tooth and periodontal diseases |
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研究疾病代码: |
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Target disease code: |
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研究类型: |
干预性研究 |
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Study type: |
Interventional study |
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研究所处阶段: |
I期临床试验 | ||||||||||||||||||||||
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Study phase: |
1 |
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研究设计: |
随机平行对照 |
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Study design: |
Parallel |
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研究目的: |
1.研究阻生下颌第三磨牙预防性拔除对邻近第二磨牙牙周状况的影响。 2.通过 Illumina Mi Seq高通量测序技术对邻近第二磨牙龈下牙菌斑微生物进行微生物多样性分析,比较其菌斑微生物多样性及群落结构的差异,进一步探究其作用机理。 |
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Objectives of Study: |
1. To study the effect of preventive extraction of impacted mandibular third molar on periodontal status of adjacent second molar. 2. Illumina Mi Seq high-throughput sequencing technology was used to analyze the microbial diversity of the dental plaque under gingival adjacent to the second mill, and the differences in microbial diversity and community structure of the plaque were compared to further explore the mechanism of action. |
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药物成份或治疗方案详述: |
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Description for medicine or protocol of treatment in detail: |
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纳入标准: |
1.所有拔除的ILTM均为完全阻生(完全骨内)或粘膜下(完全粘膜下),与ASM 位置关系密切; |
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Inclusion criteria |
(1) all ILTM removed were completely impacted (entirely within the bone) or submucosal (completely below the mucous membrane), had a close positional relationship with the adjacent M2 and no contact with the oral cavity. (2) Based on panoramic radiographs, patients with mesioangular ILTM categorized as BII class were selected with similar technical difficult. The distal alveolar crest of the adjacent second molar is 4-5mm away from the enamel-cemental junction. (3) ILTM and the adjacent M2 not have any local inflammation or other pathosis. (4) M2 was in the upright position, and the angle between the long axis of adjacent M2 and the crown of ILTM was 101° ~ 169°. (5) The ILTM operation time was less than 30 minutes; (6) The wound is tightly closed after ILTM extraction; (7) Patients voluntarily participated in clinical examination and subgingival plaque sampling with good compliance and regular follow-up. |
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排除标准: |
①伴有颌骨骨折、慢性全身性疾病(糖尿病、心血管疾病等)的患者、吸烟习惯;②妊娠期或哺乳期妇女;③慢性牙周病患者;④近90天内服用类固醇或非甾体类消炎药、益生菌、抗生素、双磷酸盐的患者;⑤颌骨囊肿或肿瘤患者。 |
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Exclusion criteria: |
(1) patients with concomitant jaw fractures, chronic systemic illness (diabetes mellitus, cardiovascular diseases, and so on). (2) the habit of smoking. (3)pregnancy during the extraction. (4) patients with chronic periodontal disease. (5) patients on steroids or non-steroidal anti-inflammatory drugs, probiotics, antibiotics and bisphosphonates within the past 90 days. (6) patients with a cyst or tumor of the jaw. |
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研究实施时间: Study execute time: |
从 From 2022-03-05 00:00:00至 To 2022-07-20 00:00:00 |
征募观察对象时间: Recruiting time: |
从 From 2022-03-05 00:00:00 至 To 2022-07-20 00:00:00 |
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干预措施: Interventions: |
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研究实施地点: Countries of recruitment and research settings: |
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测量指标: Outcomes: |
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采集人体标本:
Collecting sample(s)
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征募研究对象情况: Recruiting status: |
尚未开始 Not yet recruiting |
年龄范围: Participant age: |
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性别: |
男女均可 |
Gender: |
Both |
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随机方法(请说明由何人用什么方法产生随机序列): |
对于所有符合入选/排除标准的病人,采用基于互联网(IWR)随机分组方式决定受试者采用何种切口设计进行治疗。 |
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Randomization Procedure (please state who generates the random number sequence and by what method): |
For all patients who met the incision/exclusion criteria, an Internet-based(IWR) randomization method was used to determine which incision design to use for treatment. |
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是否公开试验完成后的统计结果: Calculated Results after the Study Completed public access: |
公开/Public |
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盲法: |
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Blinding: |
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试验完成后的统计结果(上传文件): |
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Calculated Results after
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是否共享原始数据: IPD sharing |
否No |
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共享原始数据的方式(说明:请填入公开原始数据日期和方式,如采用网络平台,需填该网络平台名称和网址): |
无 |
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The way of sharing IPD”(include metadata and protocol, If use web-based public database, please provide the url): |
No |
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数据采集和管理(说明:数据采集和管理由两部分组成,一为病例记录表(Case Record Form, CRF),二为电子采集和管理系统(Electronic Data Capture, EDC),如ResMan即为一种基于互联网的EDC: |
CRF |
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Data collection and Management (A standard data collection and management system include a CRF and an electronic data capture: |
CRF |
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数据与安全监察委员会: Data and Safety Monitoring Committee: |
有/Yes |