Between 11 May and 11 June 2026, the Oral Health Foundation will raise awareness of important oral health issues.
Join the nation's biggest oral health campaign and help bring a smile to millions of people.
This year is our biggest year yet as we get ready to celebrate the 50th anniversary of Smile Month, and we need your smiling faces to make it happen.
Join our Smile Wall using the buttons below.
See our online wall Add your smile
There are lots of different activities you can take part in for Smile Month. Have a look at the full list here.
Take part
What you eat and drink can have a big impact on the health of your mouth.
The two things to look out for in your food and drink are sugar and acid. These can damage your teeth.
Sugar reacts with the bacteria in plaque (the sticky coating on your teeth) and produces harmful acids. This is the cause of tooth decay.
Acidic foods and drinks can be just as harmful. The acid ‘erodes' or dissolves the enamel, exposing the dentine underneath. This can make your teeth sensitive and unsightly.
A diet rich in vitamins, minerals, and fresh fruit and vegetables can help prevent gum disease. Gum disease can lead to tooth loss and cause bad breath.
A balanced diet, rich in probiotics and nutrients, supports both gut and oral health, helping reduce the risk of gum disease, cavities, and bad breath. Read more
Regular consumption of acidic foods and drinks can weaken enamel, leading to sensitivity and decay, but simple habits can help protect your teeth from long-term damage. Read more
This guide explores the best dairy and non-dairy sources of calcium for strong, healthy teeth, highlighting their benefits and easy ways to include them in your diet. Read more
Making smart snack choices can help protect your teeth from decay, strengthen enamel, and keep your smile healthy - without giving up delicious treats. Read more
Staying hydrated is crucial for maintaining oral health, as drinking water helps wash away food particles, neutralise acids, prevent dry mouth, and strengthen teeth, ultimately promoting a fresher breath and healthier smile. Read more
Sugar, including hidden sugars in everyday foods, weakens enamel and contributes to cavities and gum disease; reducing sugar intake and being mindful of food labels can help protect your teeth. Read more
Certain foods and drinks, including sugary snacks, fizzy drinks, and acidic fruits, can harm your teeth by weakening enamel and causing cavities; making smarter choices and following protective habits can help preserve your oral health. Read more
Eating nutrient-rich foods like dairy, crunchy fruits and vegetables, leafy greens, and fatty fish can strengthen your teeth, protect gums, and keep your smile healthy and bright for years to come. Read more
What you eat and drink can have a big impact on the health of your mouth. Read more