Evaluation of Gingival Health Parameters in Hybrid CAD / CAM Crowns

Status Completed

Clinical Trial Summary

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.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03816930
Study type	Interventional
Source	Yuzuncu Yil University
Contact
Status	Completed
Phase	N/A
Start date	January 17, 2019
Completion date	April 17, 2020

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms