Fit of monolithic multilayer zirconia fixed partial dentures fabricated by conventional versus digital impression: a clinical and laboratory investigations.

EVALUATION OF CONVENTIONAL AND DIGITAL IMPRESSIONS ACCURACY: A CLINICAL AND COMPUTER-AIDED THREE-DIMENSIONAL ANALYSIS (IN-VITRO STUDY AND CLINICAL TRIAL)

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR202008685699453

Enrollment

Registered

2020-08-11

Start date

2019-09-01

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Dentistry, Fixed prosthodontics, fit accuracy of monolithic zirconia.

Interventions

conventional dental impression

digital impression

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with a missing upper first premolar. Aged between 19 and 44 years. Good oral hygiene with compliance to perform strict oral hygiene measures (periodontal screening index 0-1). Well-aligned abutment teeth.

Exclusion criteria

Exclusion criteria: Bad oral hygiene. Advanced periodontitis, gingivitis, or recession. Abutments with subgingival restorations or root caries. Parafunctional habits. Undergoing orthodontic treatment. Obvious dentition malalignment.

Design outcomes

Primary

Measure	Time frame
internal and marginal fit accuracy of produced computer-aided designing/computer-aided milled fixed partial dentures	—

Secondary

Measure	Time frame
trueness and precision of both impression techniques	—

Countries

Egypt

Contacts

Public ContactMohammed;Noha El Kateb;Morsy

professor of fixed prosthodontics at faculty of dentistry Alexandria university Egypt;Assistant lecturer of fixed prosthodontics at faculty of dentistry Alexandria University Egypt

prof_elkateb@yahoo.com;nohamorsy.nm88@yahoo.com20301062744333;20301062744333

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Aug 9, 2026