Preoperative Dental Rinsing: What You Need to Know

January 13, 2021 Lee Ann Brady DMD

I think pre-operative rinsing is here to stay. Science supports it is effective against viruses, including COVID19. And it is easy to do.

Pre-operative rinsing has been discussed in dentistry for a long time, especially before hygiene visits. Today this is an even more relevant conversation, and we are examining its efficacy again with renewed interest. Here are three to consider:

Hydrogen Peroxide Mouthwash

We know hydrogen peroxide works. It is highly effective against the virus and is recommended as a pre-operative rinse right now. A readymade hydrogen peroxide mouthwash is Peroxyl. You can also take 1% hydrogen peroxide and mix it 50/50 with a flavored mouthwash. The required time for effectiveness is a minimum of 30 seconds. Some publications are recommending the patient rinse with hydrogen peroxide for two 30-second cycles. If 30 seconds is too long for a patient, they can increase the number of times they swish for fewer seconds. You can set a timer to guide the patient and make sure the patient is swishing at least 30 seconds in total.

Iodine Based Mouthwash

The literature indicates iodine based rinsing solutions are also highly effective against the virus. There are iodine based mouthwashes you can purchase for use in your practice. As some people are allergic to iodine, you will need to carefully screen patients before use, asking if they have a known or suspect allergy. Can they have betadine on their skin? Can they eat shellfish? If iodine should be avoided, then you will want to use hydrogen peroxide.

Chlorhexidine Mouthwash

The process of rinsing with chlorhexidine before an appointment and/or adding chlorhexidine so it comes through the water spray of a Cavitron or Ultrasonic Scaler is not new news. For a long time, we have been using chlorhexidine mouthwash as an adjunct to oral hygiene following periodontal treatment. There is science that chlorhexidine kills microbial cells withing 30 seconds of contact in the sulcus biofilm, but is it effective as an antimicrobial pre-operative rinse to reduce the risk of COVID19 exposure? We do not know. We cannot point to the science that would tell us it is equally effective against the virus as other options. However, I have heard studies are underway with good clinical results so far.

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Lee Ann Brady DMD

Dr. Lee Ann Brady is passionate about dentistry, her family and making a difference. She is a general dentist and owns a practice in Glendale, AZ limited to restorative dentistry. Lee’s passion for dental education began as a CE junkie herself, pursuing lots of advanced continuing education focused on Restorative and Occlusion. In 2005, she became a full time resident faculty member for The Pankey Institute, and was promoted to Clinical Director in 2006. Lee joined Spear Education as Executive VP of Education in the fall of 2008 to teach and coordinate the educational curriculum. In June of 2011, she left Spear Education, founded leeannbrady.com and joined the dental practice she now owns as an associate. Today, she teaches at dental meetings and study clubs both nationally and internationally, continues to write for dental journals and her website, sits on the editorial board of the Journal of Cosmetic Dentistry, Inside Dentistry and DentalTown Magazines and is the Director of Education for The Pankey Institute.

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Chlorhexidine Varnish & Tissue Management

May 23, 2018 Lee Ann Brady DMD

One of the challenges we face today in dentistry is managing tissue health during the time period our patients are in provisonal restorations. This has become even more critical as we have incorporated more resin bonding techniques to seat indirect restorations. Isolation is critical to the long term success and can be challenging after multiple weeks in a bisacryl provisional.

We all stress oral hygiene to our patients during this time period, but let’s be honest there are barriers to optimal tissue health at the seat appointment. One barrier is often patients are fearful that their hygiene procedures will displace the provisional. This fear has them brush less vigorously, floss less or not at all, and even sometimes avoid that part of their mouths completely. Even when patients are undeterred int heir hygiene the provisional itself is often a barrier. Contacts can be less then optimal and increase interproximal food impaction. The Bisacryl itself, tends to hold and attract plaque due to a different surface texture even when finely polished.

Given the barriers and the goal of super healthy tissue, Chlorhexidine varnish (Cervitec Plus by Ivoclar) has become one of my favorite products. We are all familiar with the incredible anti-microbial effects of chlorhexidine, and also the reasons we dislike it. Cervitec does not have a bad taste, does not cause the typical brown staining, does not effect the patients taste buds, and they don’t have to remember to use it. Cervitec plus is a clear liquid applied with a micro-brush. At the end of any appointment where we have placed a provisional my assistants will coat the gingival margin with Cervitec as the last step before the patient leaves.

I have been using this as a critical step in my restorative procedures for over 5 years now, and I swear by it. I see almost perfect tissue health at seat appointments, and it is rare for me to struggle with isolation due to poor tissue management.

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About Author

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Lee Ann Brady DMD

Dr. Lee Ann Brady is passionate about dentistry, her family and making a difference. She is a general dentist and owns a practice in Glendale, AZ limited to restorative dentistry. Lee’s passion for dental education began as a CE junkie herself, pursuing lots of advanced continuing education focused on Restorative and Occlusion. In 2005, she became a full time resident faculty member for The Pankey Institute, and was promoted to Clinical Director in 2006. Lee joined Spear Education as Executive VP of Education in the fall of 2008 to teach and coordinate the educational curriculum. In June of 2011, she left Spear Education, founded leeannbrady.com and joined the dental practice she now owns as an associate. Today, she teaches at dental meetings and study clubs both nationally and internationally, continues to write for dental journals and her website, sits on the editorial board of the Journal of Cosmetic Dentistry, Inside Dentistry and DentalTown Magazines and is the Director of Education for The Pankey Institute.

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