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Hover over the labels above to understand Open Access, Member, and Affiliate.

Open Access Open Access

Free access to Masticationpedia’s introductory content, designed to help you orient yourself within the project and understand its clinical and conceptual framework.

It allows you to:

• read the extended abstracts
• understand the overall scientific direction
• explore language, models, and the epistemological framework

It does not include access to the full Book Index chapters nor editorial participation.

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Affiliation implies a recurring monthly support for the Masticationpedia project.

This contribution:

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It is a form of ongoing responsibility toward the construction of the Ψ Index diagnostic model.

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       The Book Index as a working map

Masticationpedia’s Book Index is not the table of contents of a finished book nor the final structure of a manual. It is a continuously evolving editorial and scientific working map.

The sections and chapters listed here do not represent a didactic pathway, but the points where clinical practice reveals fractures, anomalies, and paradigm limits that must be addressed without simplification.

“The Ψ Index is a clinical criterion, but it is born within a paradigm crisis: it does not only measure data, it reorganizes their interpretation.”

• Some chapters are complete, others partial; others are present as conceptual nodes.
• The order of the index is not final: it may change, be reorganized, or expanded.
• The Book Index does not contain final answers: it contains the conditions of their necessity.

       Sections and chapters evolve together with the project’s clinical and methodological work.

Normal Science

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Introduction

• Logic of medical language
  • The logic of classical language
  • The logic of the probabilistic
  • Fuzzy language logic
  • System logic
• The Complex Systems
• Logic of medical language: Introduction to quantum-like probability in the masticatory system
• Conclusions on the status quo in the logic of medical language regarding the masticatory system

Hemimasticatory spasm

• 1° Clinical case: Emimasticatory spasm
  • Encrypted code: Ephaptic transmission

Bruxism

• 2° Clinical case: Pineal Cavernoma
  • Encrypted code: Hyperexcitability of the trigeminal system

Occlusion and Posture

• 3° Clinical case: Meningioma
  • Encrypted code: Bilateral Motor Evoked Potentials of trigeminal root

Orofacial Pain

• 4° Clinical case: Temporomandibular disorders
• 5° Clinical case: Spontaneous Electromyographic Activity

Are we sure to know everything?

• 6° Clinical case: Facial onset sensory and motor neuronopathy
• 7° Clinical case: Brainstem neoplasm in Orofacial pain

Section closing

• Conclusion of the ‘Normal Science’ section

Paradigm Crisis

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Research Diagnostic Criteria (RDC)

• Jaw movements analysis: Electrognathographic Replicator
  • Transverse hinge axis
  • Vertical Hinge Axis
  • The magic of the condylar sphere

Jaw movements analysis: Pantographic replicator

• Intercondylar distance
• Advantages and limits of pantography

Jaw movements analysis: Axiographic replicator

• Interfacial distance
• Advantages and limits of axiography

Electromyography (EMG)

• EMG interference pattern
• Resting EMG
• Quantitative EMG analysis
• Fourier transform
• Wavelets

Transcutaneous Electric Nerve Stimulation

• Intraocclusal free space
  • The mysterious “muscle tone”
• TENS closing trajectories

Beyond the RDC

• Clinical Electromyography
• Artificial Neural Networks: Automatic Neuromuscular Diagnostic

• Trigeminal neurophysiopathology
• Trigeminal Nociceptive Evaluation in TMD Patients by studying CO2-Laser Evoked Potentials and Masseter Laser Silent Periods
• Electrical and Magnetic Stimulation of the Central and Peripheral Nervous System:Modeling of Generated Fields and Data Interpretation
• Transcranial Magnetic Stimulation and Brain Plasticity in Post-Stroke Recovery
• Pain pathophysiology
• Role of Metabotropic Glutamate Receptors in Pain
• Neuronal Basis of Neuropathic Pain and Neuroprotective Mechanisms of Antiepileptic Drugs
• Use of functional MRI (fMRI) in pain research
• Neuroradiology in craniofacial pain

Section closing

• Conclusions of the paradigm crisis section

Index |Ψ$⟩$

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Contributors to the |Ψ$⟩$ Index Paradigm:

Gianni Frisardi · Kemal Sitki Türker · Andrei Khrennikov · Diego Centonze · Flavio Frisardi

The $\mid \mathrm{\Psi }⟩$ Index is a collaborative paradigm under continuous development.

PART I — PREPARATION FOR THE CONCEPT OF INDEX $\mid \mathrm{\Psi }⟩$

When Normal Science fails: a clinical anomaly that opens the problem

Levels of clinical observation: change of informational scale

Crisis of the absolute value: instability of the clinical number

Non-commutative variables in clinical practice: the order of information matters

Magnitude and phase without anchoring: why any generic index fails

Noise, encrypted signal and clinical phase: non-evident information

PART II — THE FOUNDATIONS OF THE 'INDEX $\mid \mathrm{\Psi }⟩$'

Why ∣Ψ⟩: the state as a non-observable description of the clinical system

Symmetry and system stability: relation as information

Adimensionality: why a clinical state cannot depend on units of measurement

Normalization: from individual data to system comparability

The Index as a vector: why a number alone does not describe a state

Clinical phase: the non-evident information that distinguishes apparently similar states

The trigeminal biological constant: a physiological scale in which only the last decimals move

PART III – TOWARDS EXTRAORDINARY SCIENCE

Note to the reader

This section does not present a completed model.
It presents the construction pathway of the Index $\mid \mathrm{\Psi }⟩$.
Each section is open to revision, discussion, and critical contributions.

Instrumental framework: from signals to states

Foundational decision: why absolute data are not sufficient

The trigeminal biological constant: a physiological scale in which only the last decimals move

Symmetry: defined as system error

Elementary asymmetries: construction and clinical meaning

_bRoot-MEPs → $\alpha$: structural normalizer of the system

Masticatory reflexes → ${\beta }_i$: aggregation as clinical observables

Error → Order: logarithmic transformation (Neperian)

Decimals: control of $\tau$ and $\kappa$

Excitability state→ $\chi$: insertion as a state variable

Index $\mid \mathrm{\Psi }⟩$: interpretation as a clinical state

Phase: state transfer and the role of semantic AI

Logical closure: internal coherence of the model