Improving treatment tolerance
What patients expect will shape what they actually feel.
One of the most powerful, and often overlooked, drivers of dental anxiety is uncertainty. When patients don’t know what is going to happen, how it will feel, or how long it will last, their brain naturally fills in the gaps, often with worst-case scenarios.
This is not irrational. From a psychological perspective, uncertainty increases perceived threat, which activates the nervous system and amplifies both anxiety and pain. As discussed in the Understanding dental anxiety and Perception and memory sections, patients do not respond purely to what is happening, they respond to what they expect will happen.
Reducing the unknown is therefore one of the most effective ways to make dental care feel more manageable.
Why uncertainty increases anxiety
When a situation is unpredictable, patients cannot prepare. This leads to:
Heightened vigilance
Increased sensitivity to sensations
Reduced tolerance for discomfort
A greater likelihood of negative interpretation
Research shows that providing clear expectations about sensory experiences can reduce perceived pain and improve coping (Loggia et al., 2008). In simple terms, what patients expect shapes what they feel.
When patients know what to expect, sensations are less likely to be interpreted as threatening, experiences feel more manageable and memories are more likely to be neutral or positive.
What does “reducing the unknown” look like?
Reducing uncertainty is not about overwhelming patients with information, it is about providing relevant, clear, and timely guidance.
This includes three key elements:
1. What they might feel
Instead of focusing only on the procedure, describe the sensations:
“You’ll likely feel some pressure and vibration”
This aligns with strategies discussed in Pain control and helps prevent misinterpretation of normal sensations.
2. How long it will take
Timeframes are particularly helpful for anxious or sensory-sensitive patients:
“This part will take about 10–15 seconds”
Even short durations can feel long when unknown. Providing a time anchor improves tolerance.
3. What will happen next
Signposting the sequence reduces unpredictability:
“First I’ll numb the area, then we’ll gently clean the tooth, and I’ll check in with you throughout”
This connects closely with Tell–Show–Do, where predictability is built step-by-step.
Tailoring information to the patient
Not all patients want the same level of detail. Some prefer full explanations, while others feel overwhelmed by too much information.
A useful approach is to ask:
“Would it help if I let you know what you might feel, so there are no surprises?”
This respects patient preference while still addressing uncertainty.
Reducing the unknown supports control
Uncertainty and loss of control are closely linked. When patients don’t know what is happening, they feel less able to influence the situation.
By reducing the unknown, you naturally support:
Stop signals and patient control
Greater willingness to proceed
Increased trust
Patients are more likely to tolerate treatment when they feel informed and involved.
The impact on perception and memory
As explored in the Perception and memory section, experiences are shaped not just by events, but by how they are interpreted.
When patients know what to expect:
Sensations are less likely to be interpreted as threatening
Experiences feel more manageable
Memories are more likely to be neutral or positive
This has a direct impact on future behaviour and attendance.
Key takeaway
Patients are not just afraid of what will happen, they are afraid of what they don’t know will happen.
By making the experience more predictable, you help patients feel safer, more in control, and more capable of managing dental care, both now and in the future.
References
Loggia, M. L., Schweinhardt, P., Villemure, C., & Bushnell, M. C. (2008). Effects of psychological state on pain perception. Pain, 136(1–2), 168–176.
Written by Dr Trent Davidson and Dr Helen Fisher from Mindset Dental in Brisbane, Australia 2026