Effect of rigid-connected removable partial denture placement on protection of mobile abutment teeth: a randomized controlled trial

Effect of rigid-connected removable partial denture placement on protection of mobile abutment teeth: a randomized controlled trial - Effect of rigid-connected RPD on mobile tooth protection

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000053953

Enrollment

Registered

2024-03-25

Start date

2024-07-01

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

partially edentulous dental arch

Interventions

Stress-breaking denture design Rigid connection denture design without any hinges

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Diagnosis of periodontitis at the first visit Undergoing supportive periodontal therapy (SPT) Reduction of occlusal supports (Eichner classification from B2 to C1) Kennedy Class I partially edentulous dental arch Hypermobility of denture abutment tooth (more than 10 of Periotest value)

Exclusion criteria

Exclusion criteria: Acute dental and periodontal disease All denture abutment teeth are connected to other teeth with fixed prostheses Attachment loss of denture abutment teeth more than 50% Definite furcation involvement (grade II-IV) Using a night guard Severe sleep bruxism

Design outcomes

Primary

Measure	Time frame
Mobility of denture abutment teeth	—

Countries

Japan

Contacts

Public ContactJunichiro Wada

Tokyo Medical and Dental University (TMDU) Department of advanced prosthodontics

wadajun.rpro@tmd.ac.jp0358035515

Outcome results

None listed

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