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Assessment of The Accuracy of Complete Crown 3D Superimposition Technique Relative to The Gold Standard Technique for Digital Quantification of Volumetric Soft Tissue Changes in The Esthetic Zone

RecruitingNAAges 18 Years - anyAllBritish University In Egypt
NCT06673576 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

The aim of this study is to assess the precision of the complete crown technique employed for the superimposition of 3D models, specifically in the quantitative volumetric evaluation of gingival tissues. This technique was initially introduced in an in-vitro study by Dritsas et al. (2023) as a means to achieve an accurate, reproducible, and simple method for quantification of gingival recession. This study will involve the analysis of digital models in. ply format acquired through intraoral scanning of patients scheduled for esthetic crown lengthening, with predefined inclusion and exclusion

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📋 Eligibility rules (as published)
Inclusion Criteria: 1. Patients requiring esthetic crown lengthening. 2. Full-mouth plaque and bleeding score not exceeding 20%. 3. Presence of at least 2.5 mm keratinized tissue width (Pontoriero \& Carnevale, 2001). 4. Patients showing motivation to comply with post-operative care instructions and follow-up appointments. Exclusion Criteria: * 1\. Systemic health conditions that contraindicate or affect healing of periodontal surgery. 2\. Patients requiring prosthetic crowns or restorations in the esthetic zone. 3. Gummy smile with normal tooth proportions. 4. Patients treated with medications known to affect the gingiva (Phenytoin, Cyclosporine and Nifedipine). 5\. Smokers. 6. Pregnant and nursing females.
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What it tests

  • Complete crown technique for superimposition
  • Gold standard technique for superimposition
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Where

1 site
Cairo University
Cairo, Egypt
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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