Caries
Conditions
Interventions
experimental group:Participants in the experimental group receive pit and fissure sealants treatment. Resin-based sealant clinical procedure: The surface of teeth is cleaned with a NSK low-speed motor
controlled group:Participants in the experimental group receive resin composite restoration treatment. Flowable resin composite clinical procedure: The caries tissue is removed with a small round bur
Sponsors
Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
Eligibility
Sex/Gender
All
Age
6 Years to 9 Years
Inclusion criteria
Inclusion criteria: The following inclusion criteria are applied: children studying in grades 2; being systemically healthy; having at least one active ICDAS 3 lesion on the pit and fissure of the first permanent molar; radiolucency limited to the outer 1/3 of dentine; deep fissure, not able to see the base of fissure and reached by the tip of a WHO-type periodontal probe; suitable for participating a 2-year clinical trial; able to comply with the clinical trial.
Exclusion criteria
Exclusion criteria: The following exclusion criteria are applied: under medication, known or suspected to be allergic to the materials used in our study; being not suitable for participating (e.g., mouth open restriction, laryngeal reflex, poor compliance); children with semi-erupted first permanent molar, with enamel defects (hypoplasia, hypocalcifications, fluorosis).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| ICDAS code; | — |
Secondary
| Measure | Time frame |
|---|---|
| retention rate; | — |
Countries
China
Contacts
Public ContactYan Zhou
Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
Outcome results
None listed