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Why Is Gingival Retraction Cord Used? [SOLVED!]

One study published in the had shown that knitted cords were preferred over braided and there was no advantage to cords impregnated with epinephrine 😊1 It usually becomes a person’s preference as to what exactly is desired 🙌 Either way, when handling retraction cord it is important to remember to use latex free gloves because contamination of the cord with latex can have a deleterious effect on the setting of the VPS impression materials. It is essential to use a lightweight body material first into the sulcus. It can cause inaccuracies and tearing within the impression if it doesn’t cure fully. [1]
Retraction cords allow for dentists to get good impressions of teeth and other surrounding tissues by placing them in the gingival-sulcus. To prepare teeth for fixed restorations such as crowns, bridges, or veneers, dentists must remove some of the surrounding tissue. This is done until the area around the tooth’s cervical region. Once a portion of the tooth has been trimmed, it is given a new form that should ensure the best retention. Gingival margin is the area between the end of preparation and non-trimmed tooth. It is also one of the most important. important parts The entire process for making restorations. When the crown is placed onto the tooth, this will be the starting point. This should match the gingival margin perfectly so there’s no saliva or gingival fluid leakage and a flawless appearance. It is important for dentists to see the gingival margin when taking impressions. Most of the times, that line is located inside the gingival sulcus and it’s covered with gingiva. Dentists must find a method to separate gingival tissue from the impression material so it can reach the margin. The retraction cord is used to do this. Although there are many impression methods and materials available, retaining a clear margin of sight is the most important. The special liquid used for retractions is usually found in a small bottle. This liquid is hemostatic and prevents bleeding. It also provides an easily visible field. You can also purchase pre-soaked cords. For better visibility, some dentists use double-retraction cord techniques. This involves placing two cords within the sulcus. Trenda Simons, July 26, 2020. [2]
Image #2
Based on an article new from oralhealthgroup.comThe oral cavity can be a challenging area for restorative dentistry due to its limitations of the mouth, lips, tongue and cheeks. It also presents challenges in accessing instruments. The dental dam is used for single-tooth restorations and operative dentistry. control of the field and access Dental dams are not permitted in the treatment of tooth extraction and/or restoration. If non-carious or carious cervical lesions extend beyond the gum line, other techniques must be employed for tissue management. (Fig. 1). Fixed prosthodontics: Crown or onlay margins for fixed prosthodontics are below the free margins of the gingiva. Access to these margins is not possible without other techniques to remove the gingival tissue and manage gingival hemorhage. (Fig. 2). [3]
Many factors contribute Incorrect impressions can be caused by inaccurate ones.6 This is especially true for subgingival and equigingival margins. For cases that require deeper preparation margins the impression material should resist any displacement by the gingival tissue or sulcular fluid.6 This is especially true for subgingival and equigingival margins. [4]

Refer to Article

  1. https://www.speareducation.com/2015/11/7-steps-to-using-retraction-cord-when-making-an-impression
  2. https://www.dentist-manila.com/glossary/retraction-cord/
  3. https://www.oralhealthgroup.com/features/tissue-management-gingival-retraction-and-hemostasis/
  4. https://decisionsindentistry.com/article/gingival-retraction/
Kelly-Anne Kidston

Written by Kelly-Anne Kidston

I am a writer of many words, from fiction to poetry to reviews. I am an avid reader and a lover of good books. I am currently writing my first novel and would love to find some beta readers who are interested in getting an early look.

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