牙周-牙体微创联合技术精准治疗下颌第二磨牙远中颈部深龈下龋的疗效验证研究

注册号:

Registration number:

ChiCTR2600124049 

最近更新日期:

Date of Last Refreshed on:

2026-05-06 17:09:13 

注册时间:

Date of Registration:

2026-05-06 00:00:00 

注册号状态:

预注册

Registration Status:

Prospective registration

注册题目:

牙周-牙体微创联合技术精准治疗下颌第二磨牙远中颈部深龈下龋的疗效验证研究

Public title:

Effectiveness of a Minimally Invasive Combined Periodontal-Endodontic Technique for the Precision Treatment of Deep Subgingival Caries on the Distal Cervical Aspect of Mandibular Second Molars

注册题目简写:

English Acronym:

研究课题的正式科学名称:

牙周-牙体微创联合技术精准治疗下颌第二磨牙远中颈部深龈下龋的疗效验证研究

Scientific title:

Effectiveness of a Minimally Invasive Combined Periodontal-Endodontic Technique for the Precision Treatment of Deep Subgingival Caries on the Distal Cervical Aspect of Mandibular Second Molars

研究课题代号(代码):

Study subject ID:

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:

申请注册联系人:

刘斌 

研究负责人:

刘斌 

Applicant:

Liu Bin 

Study leader:

Liu Bin 

申请注册联系人电话:

Applicant telephone:

+86 138 1759 0835

研究负责人电话:

Study leader's
telephone:

+86 138 1759 0835

申请注册联系人传真 :

Applicant Fax:

研究负责人传真:

Study leader's fax:

申请注册联系人电子邮件:

Applicant E-mail:

pizzanet@163.com

研究负责人电子邮件:

Study leader's E-mail:

pizzanet@163.com

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):

申请注册联系人通讯地址:

上海市闵行区合川路166号

研究负责人通讯地址:

上海市闵行区合川路166号

Applicant address:

No. 166 Hechuan Road, Minhang District, Shanghai

Study leader's address:

No. 166 Hechuan Road, Minhang District, Shanghai

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:

申请人所在单位:

上海市口腔医院

Applicant's institution:

Shanghai Stomatological Hospital

研究负责人所在单位:

上海市口腔医院

Affiliation of the Leader:

Shanghai Stomatological Hospital

是否获伦理委员会批准:

Approved by ethic committee:

Yes

伦理委员会批件文号:

Approved No. of ethic committee:

沪口院伦审[2026]001号

伦理委员会批件附件:

Approved file of Ethical Committee:

查看附件View

批准本研究的伦理委员会名称:

上海市口腔医院医学伦理委员会

Name of the ethic committee:

Ethics Committee of Shanghai Stomatological Hospital

伦理委员会批准日期:

Date of approved by ethic committee:

2026-02-09 00:00:00

伦理委员会联系人:

黄蔚

Contact Name of the ethic committee:

Huang Wei

伦理委员会联系地址:

上海市闵行区合川路166号

Contact Address of the ethic committee:

No. 166 Hechuan Road, Minhang District, Shanghai

伦理委员会联系人电话:

Contact phone of the ethic committee:

+86 21 6350 2165

伦理委员会联系人邮箱:

Contact email of the ethic committee:

ssh_ec@126.com

研究实施负责(组长)单位:

上海市口腔医院

Primary sponsor:

Shanghai Stomatological Hospital

研究实施负责(组长)单位地址:

上海市闵行区合川路166号

Primary sponsor's address:

No. 166 Hechuan Road, Minhang District, Shanghai

试验主办单位(项目批准或申办者):

Secondary sponsor:

国家:

中国

省(直辖市):

上海市

市(区县):

Country:

China

Province:

Shanghai

City:

单位(医院):

上海市口腔医院

具体地址:

上海市闵行区合川路166号

Institution
hospital:

Shanghai Stomatological Hospital

Address:

No. 166 Hechuan Road, Minhang District, Shanghai

经费或物资来源:

上海市口腔医院

Source(s) of funding:

Shanghai Stomatological Hospital

研究疾病:

龋病  

Target disease:

dental caries

研究疾病代码:

Target disease code:

研究类型:

干预性研究

Study type:

Interventional study

研究所处阶段:

探索性研究/预试验 

Study phase:

0

研究设计:

随机平行对照 

Study design:

Parallel 

研究目的:

针对由下颌第三磨牙组生阻生所导致的下颌第二磨牙远中颈部龋,以传统II类洞充填修复技术为对照,研究牙周-牙体联合治疗方法的有效性与安全性。为临床处理颇为棘手的下颌第二磨牙远中颈部龋提供新的治疗策略和有效的治疗方法。  

Objectives of Study:

To investigate the effectiveness and safety of the combined periodontal-restorative treatment technique for distal cervical caries of the mandibular second molar caused by impaction mandibular third molar, using traditional Class II cavity restoration technique as a control. To provide new treatment strategies and effective treatment methods for the difficult clinical treatment of caries in the distal neck of the mandibular second molar.

药物成份或治疗方案详述:

 

Description for medicine or protocol of treatment in detail:

 

纳入标准:

Inclusion criteria

排除标准:

1. M2M DCC龋洞冠方边缘至远中边缘嵴的最短距离 < 3mm(影像学测量); 2. M2M DCC龋洞龈壁位于釉牙骨质界根方 ≤ 2mm 或 ≥ 5mm(翻瓣后或影像学估算); 3. M2M牙髓活力异常、已诊断为牙髓炎或根尖周炎; 4. 未经控制的牙周炎(全口PLI > 20%,BI > 2,或有 > 2颗牙PD ≥ 5mm 且伴BOP); 5. 张口度≤ 25mm; 6. 存在未控制的严重全身系统性疾病(如未控制糖尿病、免疫缺陷病、凝血功能障碍)或局麻禁忌证; 7. 严重骨质疏松(骨密度T值≤-2.5)或长期使用双膦酸盐类药物者 8. 已怀孕、哺乳期或计划在2年内怀孕; 9. 无法配合完成治疗或随访; 10. 研究者判断不适合参与研究。

Exclusion criteria:

1. Distance from coronal margin of the cavity to distal marginal ridge < 3mm; 2. Gingival wall of the cavity located <= 2mm or >= 5mm apical to the cementoenamel junction; 3. Abnormal pulp vitality, diagnosed pulpitis or periapical periodontitis; 4. Uncontrolled periodontitis; 5. Mouth opening <= 25mm; 6. Uncontrolled severe systemic diseases or contraindications to local anesthesia; 7. Severe osteoporosis or long-term bisphosphonate use; 8. Pregnancy, lactation, or planned pregnancy within 2 years; 9. Inability to comply with treatment or follow-up; 10. Investigator's judgment of inappropriateness for participation.

研究实施时间:

Study execute time:

From 2025-10-01 00:00:00 To 2027-09-30 00:00:00  

征募观察对象时间:

Recruiting time:

From 2026-05-07 00:00:00 To 2026-09-30 00:00:00

干预措施:

Interventions:

组别:

对照组

样本量:

50

Group:

Control group

Sample size:

干预措施:

传统II类洞复合树脂粘接修复

干预措施代码:

Intervention:

Class II cavity restoration with composite resin

Intervention code:

组别:

实验组

样本量:

50

Group:

Experimental group

Sample size:

干预措施:

牙周翻瓣下复合树脂粘接修复

干预措施代码:

Intervention:

Composite resin restoration during flap surgery

Intervention code:

研究实施地点:

Countries of recruitment and research settings:

国家:

中国

省(直辖市):

上海市 

市(区县):

 

Country:

China

Province:

Shanghai

City:

单位(医院):

上海市口腔医院 

单位级别:

三甲 

Institution
hospital:

Shanghai Stomatological Hospital

Level of the institution:

Tertiary A

测量指标:

Outcomes:

指标中文名:

成功率

指标类型:

主要指标

Outcome:

success rate

Type:

Primary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

指标中文名:

留存率

指标类型:

次要指标

Outcome:

retention rate

Type:

Secondary indicator

测量时间点:

测量方法:

Measure time point of outcome:

Measure method:

采集人体标本:

Collecting sample(s)
from participants:

标本中文名:

组织:

Sample Name:

None

Tissue:

人体标本去向

使用后销毁  

说明

Fate of sample:

Destruction after use  

Note:

征募研究对象情况:

Recruiting status:

尚未开始

Not yet recruiting

年龄范围:

Participant age:

最小 Min age 18 years
最大 Max age 65 years

性别:

男女均可

Gender:

Both

随机方法(请说明由何人用什么方法产生随机序列):

采用中心分层区组随机法,使用计算机生成的区组随机序列,设定4/6的变长区组,确保组间平衡。

Randomization Procedure (please state who generates the random number sequence and by what method):

Using a centrally stratified block randomization method, a computer-generated block randomization sequence was applied, with variable block sizes of 4 and 6 to ensure balance between groups.

是否公开试验完成后的统计结果:

Calculated Results after the Study Completed public access:

不公开/Private

盲法:

单盲。本研究为评价者盲法。若在随访评估过程中,评价者因非正常途径获知分组信息,需记录破盲情况;若发生严重不良事件需紧急处理时,由项目负责人决定是否破盲,并记录破盲原因、时间及人员。

Blinding:

Single-blind. This study used an assessor-blinded design. If, during follow-up assessments, the evaluator becomes aware of the group allocation through unintended means, the unblinding must be documented. In the event of a serious adverse event requiring urgent management, the principal investigator will decide whether unblinding is necessary, and the reason, timing, and personnel involved must be recorded.

是否共享原始数据:

IPD sharing

否No

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):

None

The way of sharing IPD”(include metadata and protocol, If use web-based public database, please provide the url):

None

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:

纸质的病例记录表和电子数据采集和管理系统

Data collection and Management (A standard data collection and management system include a CRF and an electronic data capture:

CRF+EDC

数据与安全监察委员会:

Data and Safety Monitoring Committee:

暂未确定/Not yet

注册人:

Name of Registration:

 2026-05-06 17:08:58