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Note: This record shows only 21 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: ChiCTR
Last refreshed on: 18 April 2017
Main ID:  ChiCTR-IOR-15006117
Date of registration: 2015-03-20
Prospective Registration: No
Primary sponsor: Faculty of Dentistry, The University of Hong Kong
Public title: Treatment outcome of single-visit versus multiple-visit non-surgical endodontic therapy
Scientific title: Treatment outcome of single-visit versus multiple-visit non-surgical endodontic therapy
Date of first enrolment: 2010-09-01
Target sample size: Two groups:256;
Recruitment status: Completed
Study type:  Interventional study
Study design:  Randomized parallel controlled trial  
Phase:  Other
Countries of recruitment
Name: Dr. Amy Wong   
Address:  3/F, Dental Unit, Meng Wah Complex, The University of Hong Kong, Pokfulam Road, Hong Kong
Telephone: +852-94913698
Affiliation:  The University of Hong Kong
Name: Dr. Chu Chun Hung   
Address:  3B61, Prince Philip Dental Hospital, 34 Hospital Road, Hong Kong
Telephone: +852-28590371
Key inclusion & exclusion criteria
Inclusion criteria: The study was approved by the Institutional Review Board of the University of Hong Kong/Hospital Authority Hong Kong West Cluster (HKU UW 09 - 303) in Hong Kong. Chinese patients aged 18 or above who were generally healthy and required primary endodontic treatment via the HKU Health Service Dental Clinic were invited to participate in the study. The protocol of the study was explained to the participants, and consent was sought.
Exclusion criteria: Teeth with pulpotomy were not accepted, and at least half of the coronal structure had to be present. Patients who had severe acute pulpitis with facial swelling or systemic infection, severe systemic disease, increased stress on the temporomandibular joint musculature, or increased psychological stress were excluded from this study.

Age minimum: 18
Age maximum: 85
Gender: Male
Health Condition(s) or Problem(s) studied
Pulpal Disease
Two groups:single-visit or multiple-visit endodontic treatment;
Primary Outcome(s)
success or failure;
Secondary Outcome(s)
Secondary ID(s)
Source(s) of Monetary Support
Faculty of Dentistry, The University of Hong Kong
Secondary Sponsor(s)
Ethics review
Results available:
Date Posted:
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