A friend asked me a question recently. "What do you think about fluoride?"

She was genuinely worried about brushing her children's teeth with fluoride toothpaste. Not the varnish at the practice, the tube in her own bathroom. And she wanted to know what I honestly thought, because she knows what I do for a living.

She isn't unusual. There is a growing movement against fluoride, in toothpaste as much as anything else, and plenty of families have quietly stopped using it altogether.

This isn't a fringe view any more

If you work in dentistry, you will meet this. It is no longer a fringe view held by a handful of people. There are whole communities, many of them thoughtful, well-read parents who care deeply about their children's health, who have decided that fluoride is something to avoid.

They are not careless. Most of them are trying very hard to do the right thing, and they have arrived at a different conclusion from ours.

That distinction matters, because it changes what our job is.

Why "that's just misinformation" never works

Here is what we may do. Someone raises a concern about fluoride, and we tell them it's misinformation or we quote the research to them.

I understand the instinct. The evidence on fluoride and tooth decay is strong, and it is concerning to watch people turn away from something that would protect their children's teeth.

But if someone has come to believe that fluoride is bad for them through their own health research, then producing more research won't necessarily reassure them.

We do not have an information problem. We have a trust problem. Those need completely different tools.

So I heard her out first

Before I said anything at all, I listened to her. Properly.

I did not interrupt and I did not start assembling my rebuttal while she was still talking. I let her tell me what she thought and why, and I let her finish.

This sounds like nothing. It is actually the whole thing. People will not consider your view until they are satisfied you have understood theirs. If you skip this part, nothing else you say will land, no matter how good it is.

What I actually said

Then I said something like this.

"In a perfectly healthy person who eats absolutely no sugar, nothing processed, nothing with sugar hidden in it, honestly? I would completely understand why you would think their teeth don't need fluoride. That argument makes sense to me. But let's be honest with each other. I eat sugar. You eat sugar. Your kids eat sugar. It is in nearly everything now, and once something is processed, it has usually got some form of sugar in it. That is not what our bodies were built for, and it is not what our teeth were built for. Every time we eat it, we are giving our teeth a hard time. So they need some extra protection.”

We were literally eating chocolates at the time!

That was it. That was the whole argument.

And I watched her face change. She came to the conclusion that she was anti-fluoride, but happy to let her children have sugar.

She got there herself. I did not have to take her there.

Why it landed

I have thought about this a lot since, because it worked far better than anything I have said on anti-fluoride views before.

It started from agreement, not disagreement. I did not open by telling her she was wrong. I opened by telling her which part of her thinking made sense to me. Once someone knows you are not ignoring their view, they can actually hear you.

Her instinct is that we should live more naturally, and put fewer artificial things into our bodies. I did not argue with that instinct. I used it. Because sugar, in the quantities we now eat it, is the least natural thing on the table.

I did not ask her to trust research as she had already done her own research. I asked her to trust something she already knew, which is that sugar is not good for us. She did not need a study to believe that. She already believed it.

I laid two things she already believed side by side, and she saw the gap on her own. That is a completely different feeling from being told.

And honestly, when I stood back, it struck me how obvious the point is, and how rarely I hear us make it. Someone is worried about a varnish applied twice a year, and comfortable with sugar throughout the day.

What this means for us as educators

I think there is something bigger in this for anyone doing oral health education.

Real education means finding out where a person is actually standing, and then building a path from there to where you would like them to be. Sometimes that path has nothing to do with the research. Sometimes it is one honest sentence about sugar.

So a few things I would ask you to take away.

Do not dismiss people. The moment you file someone under "anti-fluoride" and stop listening, you have lost any chance of helping them or their children.

Let them be heard. Genuinely. It costs you nothing and it buys you everything.

Find the thing they already believe, and start there. You are looking for common ground, not a winning argument.

And accept you will not reach everyone. That is fine. You are not trying to win. You are trying to give someone one useful thought to take home.

One last thing

With everything changing in prevention, and with more of us moving into nurse-led clinics and oral health education, we are going to have this conversation more, not less. The parents in front of us are reading things online that we are not reading, and they are making decisions about their children based on them. Let's make sure we are taking the time to understand their viewpoint and helping them to make informed choices.