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Study on the clinical effect of digital duplicating technique to restore the physiological crown morphology of molars with large defect

Study on the clinical effect of digital duplicating technique to restore the physiological crown morphology of molars with large defect

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2400093243
Enrollment
Unknown
Registered
2024-11-29
Start date
2024-12-01
Completion date
Unknown
Last updated
2024-12-02

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

Conditions

large molar defects from dental caries, chronic injury of the tooth or traumatic dental injuries, etc.

Interventions

control group:traditional direct resin restoration method
experimental group:Sequential guide restoration method

Sponsors

Peking University Hospital of Stomatology
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1.The participants were 18-60 years old, and there was no gender limit. Clinically asymptomatic deep caries of molars (buccal occlusal defects), no adjacent surface defects and no exposed pulp after preparation. The pulp examination was normal, and the X-ray showed that the root development was completed, the periapical area was normal, and the caries area reached the middle and deep layers of dentin.

Exclusion criteria

Exclusion criteria: 1.Pulp related symptoms, pulp tests were sensitive or painful. Radiographs showed abnormal periapical images. Caries were very close to the pulp or pulp was exposed during preparation. 2.Poor oral hygiene. There are night teeth grinding bad eating habits and other conditions; 3.The volunteer has a history of allergy to the test product; 4.The woman volunteer is pregnant or breastfeeding; 5.The volunteer has systemic disease or intolerance to the treatment, etc;

Design outcomes

Primary

MeasureTime frame
occlusal status;

Secondary

MeasureTime frame
pulp condition of the restoration;

Countries

China

Contacts

Public ContactJie NIE

Peking University Hospital of Stomatology

niejiepkuss@126.com+86 10 82195385

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026