
The REAL Hidden Cause of Tooth Sensitivity – Sympathetic Dental Hypersensitivity – PDP240
15.09.2025
0:00
1:19:32
How on earth can a neck injection eliminate teeth sensitivity?
Can a patient’s tooth sensitivity really be linked to their occlusion?
Is occlusal adjustment ever indicated for sensitivity?
And what’s the actual mechanism behind those cases where everything looks fine — no cracks, no significant wear, no exposed dentine — yet the patient still complains their teeth are sensitive?
In this episode, Dr. Nick Yiannios shares the concept of Sympathetic Dental Hypersensitivity (SDH), a groundbreaking way of understanding sensitivity that goes beyond the usual suspects like caries, erosion, or leakage.
We dive into how the sympathetic nervous system in the pulp can drive unexplained pain, why traditional approaches often fail, and how objective tools like T-Scan and EMG can reveal what articulating paper misses.
This could completely change the way you diagnose and manage those “mystery” sensitivity cases that just don’t add up.
https://youtu.be/a2Mg72Y_zkw
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Protrusive Dental Pearl: When fitting a resin-bonded bridge (RBB), if you’re unsure about the fit and cement gap, use light-bodied PVS on the intaglio surface of the wing. After setting and peeling it away, the thickness of the PVS shows you the expected cement layer. Ideally, it should be thin and even; a thicker area highlights where your gap is excessive.
Key Takeaways:
The T-scan technology revolutionizes occlusal analysis.
Sensitive teeth can be linked to occlusion and bite adjustments.
Frictional dental hypersensitivity (FDH) is a key concept in understanding sensitivity.
Sympathetic responses may contribute to dental hypersensitivity.
Innovative treatments include laser therapy and ozone application.
Addressing root causes is essential for long-term solutions.
Dentists should explore literature for new insights and techniques.
Critical thinking is vital in dental practice.
Advanced technology can enhance patient care and outcomes. Objective data is essential for effective occlusal adjustments.
Understanding joint function is crucial for dental health.
Differentiating between types of dental hypersensitivity is important.
The sympathetic nervous system plays a significant role in dental pain.
Educating patients about their conditions fosters better outcomes.
The beaker of pain concept helps in understanding patient symptoms.
Continuous learning is vital for dental professionals.
Objective metrics are necessary for accurate diagnosis and treatment.
Highlights of this episode:
00:00 Teaser
00:39 Intro
03:51 Protrusive Dental Pearl
05:42: Dr. Nick Yiannios’ Journey and Innovations
07:46 T-Scan and Digital Occlusal Analysis
08:29 FIRST INTERJECTION
13:46 T-Scan and Digital Occlusal Analysis
14:07 Discovery of Occlusion–Sensitivity Link
20:44 Second interjection
24:25 Student Case – Sensitivity from a Bridge
26:04 Dentine Hypersensitivity
28:39 Cervical Dentine Hypersensitivity
30:44 The Role of Lasers and Ozone in Dental Treatment
35:24 Alternatives for Dentists Without Lasers
43:12 Alternatives for Dentists Without Lasers
44:00 Frictional Dental Hypersensitivity Explained
47:15 The Importance of T-Scan in Dentistry
50:57 Neck Blocks and Sympathetic Responses.
58:24 Third interjection
01:00:01 Neck Block Mechanism
01:12:34 The Beaker of Pain Concept
01:14:38 Fourth interjection
01:16:23 The Beaker of Pain Concept
01:16:59 Community and Collaboration
1:20:57 Outro
Curious to dive deeper?You can explore more of Dr. Nick’s work and insights through these resources:
Upcoming course: CNO6 – Sympathetics in Dentistry: The Missing Link in General & Specialty Practice
AES (American Equilibration Society) – check out their upcoming conference for world-class learning in occlusion and TMD.
CNO – Center for Neural Occlusion
Facebook community: Neural Occlusion
YouTube channel: Dr.
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