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A clinical trial to study the effect of fabrication methods on accuracy of dental crowns

A Comparative Evaluation of Marginal Fit and Internal Adaptation of Metal Ceramic Crowns fabricated by Conventional Lost Wax Technique, Direct Metal Laser Sintering and 3D Printing Technique - An In Vivo Study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2018/09/015716
Enrollment
30
Registered
2018-09-14
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

Health Condition 1: X- New Technology Health Condition 2: X- New Technology

Interventions

Intervention1: DMLS Technique: Marginal and internal fit of crown copings fabricated by direct metal laser sintering Intervention2: 3D printed Resin Pattern Technique: Marginal and internal fit of cro

Sponsors

Abdul Haque Inamdar
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. Patients requiring a post-endodontic full coverage crown restoration on mandibular first molar tooth 2. Completely erupted teeth 3. Teeth with healthy periodontal conditions 4. Subjects with sound physical and mental conditions

Exclusion criteria

Exclusion criteria: 1. Vertically fractured teeth 2. Teeth requiring corono-radicular stabilization. 3. Teeth with malocclusion (rotation, crowding, intrusion, supraeruption 4. Diseases presenting with abnormal enamel or dentin development 5. Patients contra-indicated for radiological examination. 6. Patients with temporomandibular joint dysfunction 7. Patients with insufficient hygiene compliance. 8. Patients who have endodontically treated teeth with questionable endodontic prognosis. 9. Uncooperative patients.

Design outcomes

Secondary

MeasureTime frame
longevity of prosthesisTimepoint: 5 years—

Primary

MeasureTime frame
Marginal and internal fit of crown copings fabricated by different techniquesTimepoint: 4 months—

Countries

India

Contacts

Public ContactAbdul Haque Inamdar

Government Dental College and Hospital, Aurangabad

sanchitakavil1992@gmail.com7719954182

Outcome results

None listed

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