Skip to content

Research on the Selection of Resin for Transparent Formed Crowns in Primary Teeth Restoration

Research on the Selection of Resin for Transparent Formed Crowns in Primary Teeth Restoration

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600127513
Enrollment
Unknown
Registered
2026-07-01
Start date
2026-07-01
Completion date
Unknown
Last updated
2026-07-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

deep caries

Interventions

A group:Z350XT light-cured composite resin + transparent forming crown set
B group:Z350XT light-cured flowable resin + transparent forming crown set
C group:Z350XT Light-cured Flowable and Composite Resin + Transparent Forming Crown Set

Sponsors

The Third Affiliated Hospital of Air Force Military Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
3 Years to 5 Years

Inclusion criteria

Inclusion criteria: 1. Questionnaire Survey: (1) The professional scope is related to oral medicine (such as oral restoration department, pediatric oral department, general oral department, etc.), and has the qualification to independently carry out oral clinical diagnosis and treatment; (2) Currently engaged in front-line oral clinical diagnosis and treatment work in various levels and types of medical institutions (including general hospital oral department, oral specialized hospital, private dental clinic, community health service center oral department, etc.); (3) In the past 2 years (the research period can be adjusted, such as within 2 years, it should be clearly stated in the plan), there is a planned need to carry out clinical business of transparent crown restoration for deciduous teeth or young permanent teeth. 2. Collection of Exfoliated Teeth (1) The tooth crown is intact, the surface has no caries damage or has damage, the damaged area is less than 1/3 to 1/2 of the tooth crown area, and the root remains >= 1/3. (2) Parents sign the informed consent form; 3. Clinical Trial (1) General physical condition is good, suitable for general anesthesia surgery; (2) 3 to 5 years old, the maxillary primary central incisor or lateral incisor with clinical diagnosis of dental caries, pulp disease or periapical disease needs to undergo resin crown restoration (the imaging examination of the dental germ dental sac image does not show damage); (3) The maxillary primary incisor is missing due to caries or trauma, the damage area is 1/3 to 2/3 of the tooth crown area, and involves two or more tooth surfaces; (4) The affected tooth involves pulp or periapical inflammation, after complete root canal treatment, the periapical inflammation has been effectively controlled; the affected tooth has no excessive pathological mobility or physiological mobility; X-ray examination shows no absorption of the tooth root or the tooth root absorption is less than 1/2; (5) Parents sign the informed consent form; (6) After the operation, they can follow the requirements for follow-up.

Exclusion criteria

Exclusion criteria: 1 Questionnaire survey: Those not meeting the inclusion criteria 2. Collection of extracted teeth (1) Insufficient remaining dental tissue after caries removal (2) Obvious root resorption in primary anterior teeth 3. Clinical trial (1) Insufficient remaining dental tissue after caries removal (2) Anterior teeth with crossbite (3) Allergy to resin materials (4) Primary anterior teeth with obvious root resorption or uncontrolled root apex lesions (5) Children with severe oral hygiene habits and unable to cooperate with oral cleaning instructions

Design outcomes

Primary

MeasureTime frame
The retention of the restoration, the marginal fit, and the occurrence of secondary caries;

Countries

China

Contacts

Public ContactBaize Zhang

The Third Affiliated Hospital of Air Force Military Medical University

zhangbaize@126.com+86 159 9178 8035

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jul 23, 2026