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A clinical study of digital full-contour zirconia crown

Comparison of the clinical esthetic effect of full-contour zirconia crowns made by CAD/CAM and gel-deposition

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR-IOR-17013958
Enrollment
Unknown
Registered
2017-12-15
Start date
2017-12-16
Completion date
Unknown
Last updated
2017-12-18

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

Conditions

Tooth Defect

Interventions

Test Group:the material is self-glazed zirconia which is fabricated by gel deposition
Control Group:the material is Wieland which is fabricated by CAD/CAM

Sponsors

Peking University School and Hospital of Stomatology
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: (1) aged between 18 and 60 years old; (2) acceptable root canal treatment, severely discolored,the periodontal tissue was basically healthy, no gingival redness ,swelling, bleeding and other abnormalities; (3) A serious defected premolar tooth but has completed the repair of the gold alloy metal post-and-core treatment; (4) The shade of natural control tooth is normal; (5) the occlusion was normal; (6) acknowledgement and agreement.

Exclusion criteria

Exclusion criteria: 1. bruxism or clenching; 2. Periodontitis,gingival inflammation, high caries rate, has not been under treatment; 3. Could not comply with the doctor's advice to maintain good oral hygiene and cooperate with the treatment; 4. color blindness and visual impairment; 5. Acute or chronic temporomandibular joint disorder; 6. Other factors potentially affecting the effect of restoration (such as severe cardio-cerebral vascular diseases, coagulation abnormalities, etc).

Design outcomes

Primary

MeasureTime frame
The color aberration ?E;

Secondary

MeasureTime frame
Satisfaction of patient;marginal fitness,integrity;

Countries

China

Contacts

Public ContactWang Xinzhi

Department of Prosthodontics, Peking University School and Hospital of Stomatology

xinzwang@sina.com+86 010-82195321

Outcome results

None listed

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