NCT03145597

Brief Summary

The aims of this clinical study are: To evaluate the clinical performance between indirect composite and ceramic laminate veneers: Main interests are:

  • colour stability of the restoration (digital measurement in follow up)
  • failure mode of the restoration
  • wear of the restoration and antagonist Hypothesis:
  • The colour stability of indirect composite restorations will not be different from the ceramic restorations.
  • The indirect composite restorations will not be more prone to failure than the ceramic restorations.
  • Antagonist wear and restorative material wear will be similar for both ceramic and composite. Material and Methods The laminates will be fabricated according to a specified protocol. In order to avoid possible noticeable differences in case of distinct levels of possible discoloration, a modified split mouth design is employed where the central incisors and the symmetric other teeth receive the same type of restoration. Randomization is based on the paired teeth and it is performed using the flip of a coin for the choice of material. Evaluation will be performed at baseline and at follow-up visits annually up to 2 years.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
70

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Jun 2017

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 12, 2012

Completed
4.9 years until next milestone

First Posted

Study publicly available on registry

May 9, 2017

Completed
23 days until next milestone

Study Start

First participant enrolled

June 1, 2017

Completed
3.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2020

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2020

Completed
Last Updated

August 22, 2018

Status Verified

August 1, 2018

Enrollment Period

3.5 years

First QC Date

June 12, 2012

Last Update Submit

August 21, 2018

Conditions

Keywords

facingsveneerslaminatesexistingrestorationsestheticsdental

Outcome Measures

Primary Outcomes (1)

  • survival rate of laminate veneers

    fracture of teeth

    up to 24 months

Study Arms (2)

Laminate veneer of composite

EXPERIMENTAL

Laminate veneer of composite (Estenia, Kuraray Dental), composite laminate veneer, 2-4-6 veneers per patient will be made.

Device: Laminate veneer of composite

Laminate veneer of ceramic

EXPERIMENTAL

laminate of ceramic (Empress Esthetic, Ivoclar Vivadent), ceramic laminate veneer, 2-4-6 veneers per patient will be made.

Device: Laminate veneer of ceramic

Interventions

Composite laminate veneers, 2-4-6 veneers per patient

Laminate veneer of composite

laminate of ceramic (Empress Esthetic, Ivoclar Vivadent), ceramic laminate veneer, 2-4-6 veneers per patient will be made.

Laminate veneer of ceramic

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • The veneers will be placed on central incisors, lateral incisors, canines in the maxilla. Indications will involve replacing worn, discoloured composite restorations and existing veneers, or correcting discoloured, malformed and/or misaligned teeth.
  • An indication for closure of the open space (diastema)
  • No obvious untreated caries, dental health problems (regularly checked by a dentist).
  • No untreated periodontal disease (allowed are DPSI 1, 2, 3-)
  • Good or moderate oral hygiene (plaque score of less than 30% in anterior region before treatment).
  • Endodontic treatment with good outcome (root canal densely filled with gutta-percha 0.5-1.5 mm from apex) with only a restoration on palatinal side.
  • The patient agrees with the research protocol (signing of an agreement form, appendix 4)
  • Year and older.

You may not qualify if:

  • Patients with only one tooth to restore, or two central incisors.
  • Considerable horizontal and/or vertical mobility of abutment teeth: tooth mobility index score 2 or 3.
  • Considerable periodontal disease without treatment (DPSI 3+ and 4)
  • Endodontic treatment with extensive loss of tooth tissue (more than 2/3 of crown is restored with restoration material).
  • Restoration of whole crown, more than 2/3 of coronal part of the teeth is restored.
  • Patients that still want to bleach their teeth or bleached teeth less than 3 weeks before the treatment.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University Medical Center Groningen

Groningen, 9713AV, Netherlands

RECRUITING

Related Publications (43)

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MeSH Terms

Conditions

Tooth Fractures

Condition Hierarchy (Ancestors)

Tooth InjuriesTooth DiseasesStomatognathic DiseasesWounds and Injuries

Study Officials

  • Marco Gresnigt, Phd

    University Medical Center Groningen

    PRINCIPAL INVESTIGATOR

Central Study Contacts

marco Gresnigt, Phd

CONTACT

Mutlu Ozcan, Prof

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: split mouth comparison
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
dr.

Study Record Dates

First Submitted

June 12, 2012

First Posted

May 9, 2017

Study Start

June 1, 2017

Primary Completion

December 1, 2020

Study Completion

December 1, 2020

Last Updated

August 22, 2018

Record last verified: 2018-08

Data Sharing

IPD Sharing
Will not share

Locations