Why Do My Teeth Feel Sensitive After Eating Sugar?
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Have you ever noticed your teeth ‘twinging’ after something sweet? When you’re sensitive to sugar, it can be bad enough for you to think twice about eating sugary foods or even put you off entirely. So, what gives? Why does it happen to people who don’t even have any composite fillings?
Over 40% of people have tooth sensitivity to some degree, because there are quite a number of reasons why it happens. So, if you’re experiencing pain in this way, do you have to give up sweets or can something else be done?
In this guide, we look at why sugary foods can trigger tooth sensitivity, why it feels uncomfortable, and when it’s worth seeing your dentist in Manchester.
The truth is that some people won’t even know that sugar causing teeth sensitivity is even a thing. However, it’s no joke when it happens to you. So, what makes it happen in the first place? Well, it usually happens when the more sensitive inner part of your tooth gets exposed.
Under normal circumstances, your outer tooth protects the nerve inside, blocking outside triggers such as cold. However, if that starts getting thinner, you might start getting short-lived, but very sharp pains.
The pain happens when the sugar you’ve consumed triggers the tiny nerve pathways inside the tooth – because it’s now able to. This is why some people get a ‘zing’ after sweets or fizzy drinks.
A few reasons this might be happening to you:
If this is the problem that’s giving you sensitive teeth when eating sweets, your dentist could recommend composite bonding to rebuild the lost protection back up again.
Catching things early during a dental check-up usually means it’ll be that much easier to sort out.
In this instance, you might find gum disease treatment being suggested by your dentist, with much of the work being done by a dental hygienist.
In some cases, a dental crown might be the best option to protect the area and stop the tooth being sensitive to sweet things.
Sugary foods sometimes trigger that sensitivity more noticeably while the teeth settle down afterwards – but it should only last a few days.
If sugar sensitivity keeps happening, it is usually worth getting checked rather than simply changing toothpaste and hoping it improves on its own.
Our helpful guide on how to care for sensitive teeth can give you some pointers on general care and reducing the day-to-day discomfort you’re getting.
Occasional sensitivity to sweet food and drink does not always mean something is wrong. Plenty of people notice a mild twinge now and then, especially after very sweet, cold or acidic foods. The concern comes when that sensitivity keeps happening or is getting more painful.
Recurring sugar sensitivity can sometimes point to an underlying problem developing beneath the surface. So, when’s the right time to visit your dentist? Below are just some of the times you should err on the side of caution and book yourself an appointment.
| Symptom | Why it’s worth getting checked |
| One tooth reacting to sugar repeatedly | This might point toward either early tooth decay (cavities) or a small crack of fracture in your tooth – both of which need attention. |
| Sensitivity that stays around long after you’ve finished your sweet treat | This might suggest you’ve got deeper irritation that requires treatment. |
| Pain near an old filling | Getting wear around the edges of old fillings is quite common and can suggest you need them redoing soon. |
| Sensitivity while brushing near the gum line | Often connected to enamel wear or gum recession |
| Discomfort when biting into sweet foods | This can happen when weakened areas develop in the tooth, and suggest a problem that’s only going to get worse if left. |
Some people simply need advice on protecting enamel and reducing sensitivity triggers, while others may benefit from treatment such as replacing worn fillings or repairing minor damage before it gets any worse.
Thinking that your sensitivity might be being caused by something else? Our sensitive teeth causes blog offers more on the subject.
Sugar sensitivity is one of those things people often put up with for far longer than they should. It might only happen with chocolate, fizzy drinks or certain sweets at first, but once teeth start twinging more often than not, it is usually a sign that something needs to be looked at by your dentist.
At Ringway Dental, we help people across Manchester to get a grip of their overall dental health through professional treatments and sound advice. We’ll help you ensure your oral health is where it should be.
So, if your teeth have started reacting to sugary foods more than they used to, get in touch today. Alternatively, book your free online consultation where everything gets covered.
Q – Can sugar itself damage sensitive teeth?
A – Yes, but indirectly. Sugar feeds the bacteria in plaque, which raises the risk of decay. If a tooth is already sensitive or weakened, sugary foods tend to make that discomfort a lot more noticeable.
Q – Why do sugary drinks sometimes hurt more than sweets?
A – Most fizzy drinks are both sugary and acidic, which is a double hit for sensitive teeth. Add in the cold temperature and the reaction can feel surprisingly sharp and take your breath away.
Q – Does sugar sensitivity always mean I have a cavity?
A – Not necessarily. Cavities are one explanation, but worn enamel, exposed roots, grinding and small cracks can all cause teeth to react to sugary foods too. It’s worth getting it checked rather than assuming either way.
Q – Why is only one tooth sensitive to sugar?
A – When it’s just one tooth, something localised is usually going on, such as a crack, a worn filling or early decay in that specific area. Single-tooth sensitivity is generally a sign that something needs looking at.
Q – Can sensitive toothpaste actually help?
A – It can, yes. Sensitive toothpastes work well for some people, particularly where the problem is linked to exposed dentine or mild enamel wear.
