Managing the sounds of dental treatment
For many patients, dental sounds are not just unpleasant; they are conditioned signals of threat, often linked to past experiences, anticipated pain, and loss of control.
The sounds associated with dental treatment, particularly the high-speed handpiece, are among the most commonly reported triggers of dental anxiety. For many patients, these sounds are not just unpleasant; they are conditioned signals of threat, often linked to past experiences, anticipated pain, and loss of control.
Understanding and managing sound is therefore not simply about comfort, it is a key component of reducing perceived threat and improving patient tolerance.
Why sound triggers anxiety
Auditory stimuli are strongly linked to emotional memory. Patients may develop conditioned responses where the sound of the drill alone is enough to trigger anxiety, even before any physical sensation occurs (de Jongh et al., 1995).
This anticipatory anxiety is clinically significant. Research shows that anxiety increases perceived pain intensity, even when the physical stimulus remains unchanged (Loggia et al., 2008). In this way, sound becomes part of a feedback loop:
Sound → anxiety → heightened perception → increased discomfort → negative memory
Over time, this reinforces dental fear and avoidance.
One of the most effective strategies is not to eliminate sound, but to change what it represents.
Reframing the meaning of sound
One of the most effective strategies is not to eliminate sound, but to change what it represents.
Language plays a key role:
Avoid: “drill”
Use: “cleaning” or “shaping the tooth”
Before starting:
“You’ll hear some noise, it often sounds louder than it feels, and I’ll guide you through what you might notice.”
This reduces uncertainty and prevents the patient from interpreting sound as a direct indicator of pain.
Gradual exposure and predictability
Introducing sound in a controlled and predictable way can significantly reduce its impact.
Start the handpiece away from the tooth
Allow the patient to hear the sound without sensation
Then gradually introduce contact
This aligns with principles of graded exposure, which are effective in reducing anxiety responses over time.
Pairing sound with sensory guidance further improves tolerance:
“You’ll hear the sound and feel some vibration — that’s normal”
This prevents misinterpretation of vibration as pain.
Distraction and sensory competition
Reducing the prominence of dental sounds can be highly effective.
Audio distraction:
Music
Podcasts
Noise-cancelling headphones
These approaches reduce both anxiety and perceived pain (Klassen et al., 2008; Gupta et al., 2017).
From a neuroscience perspective, this works by shifting attention away from threat, reducing the brain’s focus on the auditory stimulus (McCaul & Malott, 1984).
Allowing patients to choose their own audio increases engagement and effectiveness.
Enhancing control
As with many aspects of dental anxiety, sound becomes more tolerable when patients feel in control.
Simple strategies include:
Introducing a stop signal
Checking in regularly
Asking permission before starting
“If you’d like me to pause at any time, just raise your hand”
Perceived control reduces both anxiety and pain perception (Wiech et al., 2006).
Environmental considerations
Background noise within the practice can influence how prominent dental sounds feel.
Maintain a calm, low-noise environment
Avoid abrupt or loud non-clinical sounds
Use consistent, predictable auditory cues
Reducing overall sensory load makes specific treatment sounds less overwhelming.
The role of memory
Sound is closely tied to memory. Patients often recall the sound of dentistry as much as the sensation itself.
By:
Reducing anxiety during exposure
Reframing the meaning of sound
Reinforcing positive experiences
You can influence how these sounds are remembered, which directly affects future attendance.
Key takeaway
The sound of dental treatment is not inherently distressing, it becomes distressing through association, expectation, and lack of control.
By combining:
Predictable communication
Gradual exposure
Distraction
Patient control
Clinicians can significantly reduce the impact of sound on anxiety and improve the overall treatment experience.
References
de Jongh, A., Aartman, I. H., & Brand, N. (1995). Trauma-related phenomena in anxious dental patients. Behaviour Research and Therapy, 33(6), 667–670.
Gupta, A., Ahmed, B., & Garg, P. (2017). Effect of music distraction on dental anxiety. Journal of Clinical and Diagnostic Research.
Klassen, J. A., Liang, Y., Tjosvold, L., Klassen, T. P., & Hartling, L. (2008). Music for pain and anxiety in children undergoing medical procedures. Journal of the Canadian Dental Association.
Loggia, M. L., Schweinhardt, P., Villemure, C., & Bushnell, M. C. (2008). Effects of psychological state on pain perception. Pain, 136(1–2), 168–176.
McCaul, K. D., & Malott, J. M. (1984). Distraction and coping with pain. Psychological Bulletin, 95(3), 516–533.
Wiech, K., Kalisch, R., Weiskopf, N., Stephan, K. E., & Dolan, R. J. (2006). Anterolateral prefrontal cortex mediates analgesia from perceived control. Journal of Neuroscience, 26(44), 11501–11509.