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Assessing The Impact of Cord vs Cordless Gum Separation Methods on Digital Impression Accuracy and Marginal Adaptation In 3D Printed Provisional Crowns : A Randomised Controlled Clinical Study

Comparative Evaluation Of the Effect of Cord and Cordless Gingival Retraction Technique on Trueness of Vertiprep Finish Line in Intra-Oral Digital Impression and The Resultant Marginal Adaptation of 3D Printed Acrylic provisional Crowns : A Randomized Controlled Clinical Study - NIL

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2024/02/062319
Enrollment
33
Registered
2024-02-06
Start date
Unknown
Completion date
Unknown
Last updated
2025-09-15

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

Conditions

Health Condition 1: K085- Unsatisfactory restoration of tooth

Interventions

Intervention1: Single Cord Gingival Retraction technique with conventional Impression: Single Cord Gingival Retraction Technique With Polyvinyl Siloxane Impression Material(Putty-Light Body) using Two

Sponsors

Param Ajmera
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: a. Participants requiring single or multiple individual all ceramic crown restorations in the anterior and posterior teeth with following indications: 1. Teeth restored with large filling restorations. 2. Endodontically treated teeth. 3. Malformed teeth 4. Malposed teeth (tilted, over-erupted, rotated, etc.) c. Occlusal function with a natural tooth d. No tooth mobility e. Teeth with sound gingival and periodontal health: 1. Periodontal probing depth prior to tooth preparation = 4mm. 2. Full mouth plaque scores 3. Full mouth bleeding scores f. Psychologically and physically able to co-operate during the tooth preparation procedure for zirconia and lithium disilicate crown restoration. g. Ability and willingness of patient to come for 5 appointments.

Exclusion criteria

Exclusion criteria: a. Patients in growth stage with partially erupted teeth b. Patients with medical history in which any dental intervention would be contraindicated. c. Patients with any local or systemic disease, condition or medication that might compromise health of the periodontium. d. Patients who use tobacco in any form.

Design outcomes

Primary

MeasureTime frame
1.Trueness of Vertiprep Finish Line in Intra-Oral Digital Impression. Timepoint: Baseline

Secondary

MeasureTime frame
1.Resultant Marginal Adaptation Of 3D Printed Acrylic CrownsTimepoint: Baseline

Countries

India

Contacts

Public ContactDr Rajesh Sethuraman

K M Shah Dental College & Hospital

rajeshsethu77academics@gmail.com9725038434

Outcome results

None listed

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