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Prospective clinical study of the effect of different attachments on oral structures

Prospective clinical study of the effect of different attachments on oral structures

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00000186
Enrollment
75
Registered
2009-09-29
Start date
2009-11-01
Completion date
Unknown
Last updated
2025-04-07

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

Conditions

Z46.3

Interventions

Group 1: Partial fixed and removable dentures retained by attachments at the anterior remaining teeth are inserted. Group 2: Partial removable dentures retained by clasps are inserted in the reduced d

Sponsors

Universität Bonn Poliklinik für Zahnärztliche Prothetik, Stiftungsproffessur für Oralmedizinische Technologie
Lead Sponsor

Eligibility

Sex/Gender
All
Age
25 Years to 75 Years

Inclusion criteria

Inclusion criteria: - Patients with a need for treatment with removable partial dentures retained by telescopic crowns, attachments or clasps who were informed about different therapies and decided to be trated by one of the three possibilities - telescopic crowns can only be used if the teeth can be prepared in one inserting direction, that has to consider the orrientation of the alveolar bone - only situations with an anterior dentition are accepted with missing molars or missing morals and premolars in both sides of the treated jaw

Exclusion criteria

Exclusion criteria: - persisting craniomandibular dysfunctions - massive xerostomia - handicaps which avoid a minimal oral hygiene - patients who do not want to accept the follow up examination - patients older than 75 years - patients younger than 25 years - general anamnestic contraindications: chronical gastroesophageal reflux, bulimia, tuberculosis, hepatitis, therapy using a anticoagulant, immuno supression, alcohol or drug addiction, general medical problems avoiding the planned treatment, general medical problems avoiding a follow up examination for 5 years

Design outcomes

Primary

MeasureTime frame
Final recall after 5 years of follow-up examination or loss of the dentures funktion e.g. by loss of teeth or dentures retention measured by a special device.

Countries

Germany

Contacts

Public ContactStefan Bayer

Department of Prosthodontics, Preclinical Education and Dental Materials Science, University of Bonn, Bonn, Germany

sbayer@uni-bonn.de022828722016

Outcome results

None listed

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