Cemented vs. screw-retained zirconia based single implant reconstructions: a prospective randomized controlled clinical trial

Cemented vs. screw-retained zirconia based single implant reconstructions: a prospective randomized controlled clinical trial - Atlantis

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00006221

Enrollment

Registered

2014-06-06

Start date

2010-08-06

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

K08.1

Interventions

Group 1: screw-retained reconstruction, submucosal part in white Group 2: screw-retained reconstruction, submucosal part in pink Group 3: cemented reconstruction, submucosal part in white Group 4: ce

Eligibility

Sex/Gender

All

Age

20 Years to 80 Years

Inclusion criteria

Inclusion criteria: Astra-single tooth implant, front teeth and premolars, upper jaw and lower jaw

Exclusion criteria

Exclusion criteria: General contraindications against an implant treatment

Design outcomes

Primary

Measure	Time frame
Marginal bone levels at 1 year of loading (radiological)	—

Secondary

Measure	Time frame
esthetic and biologic parameters at 1, 3, 5, 7 and 10 years (clinical measurements)	—

Countries

Switzerland

Contacts

Public ContactDaniel Thoma

Zentrum für Zahnmedizin, Klinik für Rekonstruktive Zahnmedizin, Universität Zürich

daniel.thoma@zzm.uzh.ch+41 44 634 04 04

Outcome results

None listed

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