Survival and success rate of CAD/CAM All-ceramic crowns.

5 year clinical evaluation of indirect full ceramic restorations(CEREC)

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT2014083118981N1

Enrollment

230

Registered

2014-10-24

Start date

2009-03-21

Completion date

Unknown

Last updated

2018-02-22

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

Conditions

Other special examinations and investigations of persons without complaint or reported diagnosis. Dental examination

Interventions

Intervention 1: Intervention group 1: For tooth- supported crowns the abutment teeth were prepared with a circumstantially rounded shoulder (1.0 mm in width), an axial reduction of 1.5 mm, and an occl

Treatment - Other

Intervention group 1: For tooth- supported crowns the abutment teeth were prepared with a circumstantially rounded shoulder (1.0 mm in width), an axial reduction of 1.5 mm, and an occlusal reduction

Intervention group 2

intervention1: For Implant-supported restorations, the implants were non-submerged (Soft tissue level, ITI Dental Implant System, Straumann AG, Basel, Switzerland). Conventional delayed loading proto

Eligibility

Sex/Gender

All

Age

18 Years to 78 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria Patients who referred to the clinic.;Patients which indirect CAD/CAM all- ceramic restoration has indication for their treatment.;Patients who needed single implant treatment. Exclusion criteria Patients who don't accept to enter the study.; Indirect all-ceramic restorations was contraindicated as a treatment option.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Survive or failure of treatment. Timepoint: 6 ,12,24,36,48 and 60 months with calculation from the date of the insertion. Method of measurement: Clinical examination.	—

Secondary

Measure	Time frame
Evaluation of technical and biological complications. Timepoint: 6 ,12,24,36,48 and 60 months with calculation from the date of the insertion. Method of measurement: CDA guidelines for indirect restorations and periodontal parameters(Gingival Index, Plaque Index ,Probing pocket depth ,Bleeding on probing ) for periodontal evaluations.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr Omid Savabi

Isfahan University of Medical Science

savabi@dnt.mui.ac.ir+98 31 3792 2812

Outcome results

None listed

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