Be proud of your mouth on World Oral Health Day

Oral diseases like tooth decay and gum disease can cause pain, discomfort, social isolation and loss of self-confidence, and can also be linked to other health problems. serious. Fortunately, most oral health problems are preventable and can be treated at an early stage.

World Oral Health Day is celebrated on March 20 each year and aims to give people the knowledge, tools and confidence to ensure good oral health. There are many studies and clinical trials aimed at researching new treatments to improve oral health, and in this blog, we are going to take a look at a selection of those registered at. ISRCTN Registry.


The build-up of bacteria in dental plaque quickly leads to gingivitis (inflammation of the gums). It can be avoided with tooth brushing, but poor technique, short duration, and lack of motivation can all lead to poor plaque control.

Toothbrushes are continually tested for their effectiveness and safety as manufacturers develop new devices or improve the functionality of existing devices. Electric toothbrushes with oscillating / rotating technology have been shown to be very effective in removing dental plaque and controlling gingivitis.

In this to study a newly developed electric toothbrush was compared to a manual toothbrush and the regrowth of the plaque was measured with a method called digital plaque imaging analysis (DPIA), where the plaque is assessed using of a digital photo of the front teeth after fluorescein staining.

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Electric and manual toothbrushes were also compared in a study with children ages 3 to 6 and 7 to 9, brushing on their own or with the help of their parents.

Another recent innovation are interactive electric toothbrushes, for example this study compares a new interactive electric toothbrush with a whitening brush head to a regular manual toothbrush.

Connected toothbrushes and their related apps can show how often a person brushes their teeth, how long and how well they brush. They can also provide coaching with instructions and challenges to improve brushing habits. This to study evaluated data collected by a connected brush and compared dental plaque and gingivitis in brushing groups with and without a connected brushing app.

Used in addition to standard toothbrushes, interdental brushes are small brushes specially designed to clean between teeth. Different brush designs have been compared in this to study and the results showed that both models were effective in reducing dental plaque but were not significantly different from each other.


Toothpastes are also in continuous development. For example, this to study compares a new sodium bicarbonate toothpaste with regular toothpaste marketed for the prevention of gingivitis.

© CentralITAlliance / Getty Images / iStock

Tooth sensitivity, usually the result of worn tooth enamel or exposed tooth roots, is another area of ​​concern. This to study compared a cosmetic hydroxyapatite / potassium nitrite and aluminum lactate toothpaste to a marketed benchmark toothpaste to see if it helped prevent the discomfort associated with sensitive teeth.

Demineralization occurs when acids found in bacteria and sugar attack the enamel, and remineralization occurs when minerals like fluorine, calcium, and phosphate come together with the enamel.

This to study compared the remineralizing effect of three toothpastes containing mineral brushite, mineral hydroxyapatite and no minerals, also evaluating their effect on enamel acid resistance and tooth sensitivity.


Accurate 3D images of the mouth can now be recorded and used by dentists to monitor oral health. These scans capture a large amount of information and are quick, easy to save, and available for future reference. They are currently used to monitor orthodontic treatment and the position of teeth. This to study compared the accuracy of 3D scans to traditional assessments and results confirmed that the images are accurate enough to assess gum health.

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Intraoral cameras can also be used to provide patients with a scan of their mouth showing areas of inflammation and plaque, which can be combined with verbal counseling to encourage good oral hygiene, as tested in this document. to study.

3D scanning and digital production techniques are also tested in this to study to see if they can be used to make more precise dental crowns to replace extracted teeth.

Take home message

The current theme for World Oral Health Day is a simple yet powerful message: Be proud of your mouth. Why not book your next meeting or participate in one of the activities on the map here?

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