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Clinical comparison of preformed stainless steel crown and 3D printed resin crown for restoration of primary molars

Clinical comparison of preformed stainless steel crown and 3D printed resin crown for restoration of primary molars

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0006232
Enrollment
60
Registered
2021-06-08
Start date
2021-07-01
Completion date
Unknown
Last updated
2021-06-24

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

Conditions

None listed

Interventions

None listed

Sponsors

Yonsei University Health System, Dental Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Persons aged 4 to 8 years old Those who have teeth that require total systemic treatment with expected dropout period after 2 years Those who do not have non-functional movements such as teeth grinding Those without temporomandibular joint disorder or other occlusal disorders A person who does not have a crown-shaped prosthesis on the opposing tooth of the restoration target

Exclusion criteria

Exclusion criteria: Persons with developmental disabilities that may affect the development of systemic diseases, dental and oral diseases Those classified in Frankl behavior classification scale 1,2 A person who has difficulty in restoring a normal canal due to movement of the premolars due to dental caries Those with hypersensitivity to resin materials When both the patient and the guardian cannot read the consent form (illiterate, foreigner, etc.) Those who did not erupt or were eliminated

Design outcomes

Primary

MeasureTime frame
Apical radiograph;Oral clinical picture;Quigley Hein Plaque index and GI-gingival index;Fracture and crack inspection using fluorescence spectroscopy (Q-ray);Evaluation of the condition of the prosthesis (perforation, wear, fracture, dropout)

Secondary

MeasureTime frame
Fill out the questionnaire (guardians of research participants)

Countries

Korea, Republic of

Contacts

Public ContactTaeyang Lee

Yonsei University Health System, Dental Hospital

2sun@yuhs.ac+82-2-2228-3170

Outcome results

None listed

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