Prospective study of CAD/CAM-generated composite resin molar crown

Assessment of treatment effect of CAD/CAM-generated composite resin crown applied to molar

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs022190004

Enrollment

Registered

2019-07-01

Start date

2019-07-31

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Dental caries, root canal treated tooth, ill-fitting crown

Interventions

Composite resin crown insertion on molar

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: caries, root canal treated tooth, ill-fitting crown

Exclusion criteria

Exclusion criteria: Lack of crown thickness Lack of abutment tooth height Anchor tooth of partial denture Lack of antagonist tooth Periodontitis of object tooth with PPD greater than orequal to 6 mm Severe bruxism Disagreement of this study Selection of other prosthetic treatment Difficulty of treatment because of unreasonable expectations Difficulty of attending this study because of psychosis

Design outcomes

Primary

Measure	Time frame
Complication of object tooth	—

Secondary

Measure	Time frame
Oral photo, Periodontal chart, Bite force, Bite area, Bruxism	—

Contacts

Public ContactAkio Harada

Tohoku University Graduate school of Dentistry

akio.harada.c8@tohoku.ac.jp+81-22-717-8363

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026