Using dental ceramics in treating patients with worn teeth. A randomized clinical trial.

Randomized controlled clinical trial compairing monolithic translucent zirconia and emax press singel crowns used for prosthetic treatment of extensively worn dentition

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN16324420

Enrollment

116

Registered

2018-03-12

Start date

2013-03-12

Completion date

Unknown

Last updated

2021-04-12

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

Conditions

Tooth wear Oral Health Tooth wear

Interventions

Participants are randomized into two groups according to a randomization list generated by a website (www.randomization.com). The first group receives IPS e.max press (glass infiltrate

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Aged 17-65 years. 2. At least 10 teeth in the upper and lower arches 3. Good periodontal status 4. At least TW > grade 2 on any tooth surface on at least four teeth in the same arch according to Smith and Knight’s tooth wear index (TWI)

Exclusion criteria

Exclusion criteria: 1. Patients with fixed and removable partial dentures 2. Patients with severe TMJ disorders 3. Patients with gross malocclusion 4. Patients with mineralisation disorders 5. Patients with neurologic, psychiatric, or sleep disorders

Design outcomes

Primary

Measure	Time frame
1. Clinical performance and success rate of the crown is assessed using clinical photographs taken 2-4 weeks (baseline) and follow up visits 1, 3 and 5 years after completion of the treatment. 2. Technical outcome of the reconstructions is examined using the united States Public Health Service (USPHS) criteria at 2-4 weeks (baseline) and follow up visits 1, 3 and 5 years after completion of the treatment.	—

Measure

Time frame

1. Clinical performance and success rate of the crown is assessed using clinical photographs taken 2-4 weeks (baseline) and follow up visits 1, 3 and 5 years after completion of the treatment. 2. Technical outcome of the reconstructions is examined using the united States Public Health Service (USPHS) criteria at 2-4 weeks (baseline) and follow up visits 1, 3 and 5 years after completion of the treatment.

—

Secondary

Measure	Time frame
The subjective opinion of each patient is measured using the international OHIP and OAS scales at 2-4 weeks (baseline) and 1, 3 and 5 years after completion of the treatment.	—

Countries

Sweden

Outcome results

None listed

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