NCT03816930

Evaluation of Gingival Health Parameters in Hybrid CAD / CAM Crowns Produced After Different Retraction Processes

Completed NA Last updated 22 April 2021

What this trial tests

NA trial testing mechanical cord usage in Periodontal Disease in 52 participants. Completed in 17 April 2020.

Timeline

17 January 2019

Primary endpoint
17 January 2020

17 April 2020

Quick facts

Lead sponsor	Yuzuncu Yil University
Phase	NA
Status	Completed
Study type	INTERVENTIONAL
Allocation	randomized
Design	parallel
Masking	none
Primary purpose	other
Enrollment	52
Start date	17 January 2019
Primary completion	17 January 2020
Estimated completion	17 April 2020
Sites	1 location across Turkey (Türkiye)

Drugs / interventions tested

• mechanical cord usage

Conditions studied

• Periodontal Disease — all drugs for Periodontal Disease →
• Gingival Disease — all drugs for Gingival Disease →

Sponsor

Yuzuncu Yil University

Who can join

Adults 18 to 60, any sex, with Periodontal Disease or Gingival Disease. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

Clinically, the gingival retraction dentistry itself has found wide uses. It has achieved the use of subgingival and gingival crowns in fixed prostheses, cervical abrasion in restorative dentistry, management of root caries and root sensitivity, and recently in the use of appropriate measurements to improve the marginal fit of implant prostheses.There are three different retraction procedures described in the literature: mechanical, mechanical-chemical (chemically impregnated cords or matrix in injectable form) and surgery (electrosurgical, laser, cauterization, etc.)The mechanical method of retraction cords is not always suitable for patients' existing pocket depth, the necessity of using different combinations in shallow or deep pockets, the potential for limited bleeding control in chemically impregnated cords and the toxicity values in those who interact with chemical have led researchers to search for alternative methods. Especially inflammed gingiva is very sensitive to mechanical and chemical trauma. Studies have reported that gingival inflammation, pain, pocket formation, gingival withdrawal, increased bleeding and wound contamination occurred following retraction cord application. However, it is a known fact that the impression material is distorted or the accuracy of the measurement is decreased with the measurements taken without retraction. Nowadays, CAD / CAM (computer-aided design / computer-aided manufacturing) devices, which are designed to overcome these problems and eliminate the errors related to the measurement material, are the first step to be taken with a clear measure.Gingival retraction is recommended to improve the success of scanners in all restorations performed at the gingival or subgingival endpoint. Therefore, in our study, crown restorations will be produced from hybrid blocks by means of CAD / CAM device in order to evaluate the interaction of gingival health with hybrid blocks and to provide the latest technology and standardization.

Publications & conference data

No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.