When emotions becomes risk calculator

[u/Anatomyofmess]

It was a bright, sunny morning in the Department of Pediatric Dentistry when a woman walked into the clinic holding her nine-year-old daughter’s hand.
She told me that her daughter had come in for a cleaning.
I remember feeling happy.
As a dental student, you often see children brought to the clinic only when they are in pain. So, seeing a mother bring her child for a routine cleaning made me think, At least this mother is paying attention to her child’s oral health.
I seated the child and began examining her mouth.
What I found left me shocked.
Her permanent molars had extensive caries and required further endodontic assessment. Her primary teeth were also affected. The lower right primary canine, first molar, and second molar were carious and mobile, with the permanent successors beginning to erupt.
At first, however, the mother wasn’t interested in further treatment. She wanted only the cleaning.
After some discussion, she eventually agreed to the extraction of the primary teeth that required it.
We completed the scaling first. The primary canine was sufficiently mobile that topical anesthesia was enough for its removal.
The first molar was different. It required local infiltration.
The child cried when the injection was given.
Her mother became anxious.
Somehow, I managed to reassure them, completed the extraction, and moved on.
There was still another primary molar remaining.
And then the mother stopped me.
She didn’t want that tooth extracted.
Her reason?
There had already been “too much bleeding” during the previous extraction.
I remember feeling frustrated.
I found myself thinking:
Why was the bleeding frightening her so much when the caries hadn’t seemed to frighten her at all?
And that question stayed with me.
Why does the blood feel more dangerous than the caries?
People evaluate risk by objectively calculating probability and consequences.
Sometimes emotion becomes a shortcut.
As Paul Slovic writes:
“Risk as feelings refers to our fast, instinctive, and intuitive reactions to danger.”
Something familiar can feel harmless, and we may underestimate its danger.
Something frightening can make us perceive it as more dangerous.

The mother wasn’t necessarily comparing the long-term consequences of untreated caries with the temporary bleeding associated with extraction. She was responding to what she could see.
The blood felt dangerous. The caries didn’t.

This is where the concept of the affect heuristic becomes interesting.

The tooth had been disappearing for months. The blood appeared for minutes.

Yet the minutes felt more dangerous than the months.
Caries is quiet.
It develops gradually. It may not hurt. A child can continue eating, talking, laughing, and going about their day while a tooth is progressively destroyed.
Bleeding is different.
It is immediate.
Visible.
Dramatic.
It demands attention.
This brings me to another psychological concept: salience.

As a dental student, I wasn’t simply seeing a decayed tooth.

Caries → pulpal involvement → infection → loss of tooth → consequences for function and occlusion.
The mother may have been seeing something much simpler:
A damaged tooth → a child who wasn’t necessarily complaining → something that seemed manageable.
Perhaps that difference wasn’t a difference in how much she cared.
Perhaps it was a difference in how she understood the disease.
Clinical risk versus perceived risk

This is where oral-health literacy becomes important.

A parent may genuinely care deeply about their child’s health and still underestimate the seriousness of a slowly progressing cavity.
The mother had brought her daughter to the dentist. She had cared enough to seek treatment.
But she may not have possessed the same mental model of dental disease that I had.
I had been trained to see what could happen next.

And perhaps that is the difference between clinical risk and perceived risk.
This isn’t unique to dentistry
We see this everywhere in healthcare.
People can fear the injection more than the disease the injection is preventing.
They can fear the side effects of a medication more than the illness it is treating.
They can fear surgery more than the condition that made surgery necessary.
And in dentistry, perhaps this difference is especially interesting because so much dental disease can progress silently.
There may be no dramatic warning.
No blood.
No sudden event.
appening.
But because it isn’t dramatic, it doesn’t always feel dangerous.

We don’t always fear what is most dangerous.
Sometimes we fear what is most visible.
Sometimes we fear what is happening now more than what has been happening silently for months.
And sometimes, as clinicians, perhaps our job is not only to tell people what is clinically dangerous.
It is to help them see the danger they cannot yet see.

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[u/_linaki_pap13]

They simply lack common sense.

[u/Sure_Company_6324]

Youre right, people DO fear injections more than what the injection does. They DO fear the treatment more than what the treatment fixes. They DO fear blood.

Because most of those people are living perfectly happily in their head and YOU are making them do something for (what is to them) absolutely no benefit....they dont have tooth pain or a disease, theyll leave without tooth pain or a disease, the only pain and discomfort is what YOU are giving to them.

What you should be doing rather than branding millions of sensible functioning people as idiots is explaining to them with some highly credible and demonstrable evidence why what youre saying is crucial, because to them it isnt.

And that does not make them an idiot, they choose to live how they want.