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Randomized controlled clinical trial comparing small diameter implants (SDI) and resin bonded bridges (RBBs) for the reconstruction of single tooth gaps in the anterior area (Impl vs RBB)

Randomized controlled clinical trial comparing small diameter implants (SDI) and resin bonded bridges (RBBs) for the reconstruction of single tooth gaps in the anterior area (Impl vs RBB) - Impl vs RBB

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00013929
Enrollment
30
Registered
2019-01-21
Start date
2019-04-18
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

Single tooth gap, lateral incisors in the maxilla, central or lateral incisors in the mandible

Interventions

Group 1: Single tooth implant BLT 2.9 mm SC Group 2: Full-ceramic, single retainer RBFDP

Sponsors

Zentrum für Zahnmedizin, Klinik für Rekonstruktive Zahnmedizin
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: • Periodontally healthy individuals with at least 20 years of age • No general medical condition which represents a contraindication to implant treatment • Good oral hygiene (PlI = 20%) • Healthy periodontal tissues (BOP = 20%) • Patients with a single tooth gap (uni- or bilateral) of at least 5.9 mm in the maxilla (lateral incisor) or the mandible (central and lateral incisors) • Finished orthodontic treatment (if applicable) at least three months ago • Good quality and sufficient enamel of the potential abutment tooth • Sufficient interocclusal space (overjet, overbite) • Signed informed consent form

Exclusion criteria

Exclusion criteria: • Women who are pregnant or breast feeding at the day of inclusion • Patients with untreated or ongoing periodontal disease • Patients with Bruxism • Known or suspected non-compliance, drug or alcohol abuse • Inability to comply with the study procedures • Smoking of more than 15cig/d

Design outcomes

Primary

MeasureTime frame
Survival of the reconstruction at 5 years

Secondary

MeasureTime frame
• Survival of the reconstruction after 1 and 3 years • Technical and biological complications after 1, 3 and 5 years • Clinical and esthetic measurements after 1, 3 and 5 years • Patient reported outcome measures (PROMS) after 1, 3 and 5 years

Countries

Switzerland

Contacts

Public ContactNadja Naenni

Universität Zürich, Zentrum für Zahnmedizin, Klinik für Rekonstruktive Zahnmedizin

nadja.naenni@zzm.uzh.ch+44 634 04 04

Outcome results

None listed

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