Analysis of

Relationships and Cephalometric

Unified System

Welcome to ARCUS – Unified Cephalometric Relationship Analysis

At ORTHOPROGRESSIVE, we are proud to introduce ARCUS, an innovative diagnostic tool based on artificial intelligence that transforms cephalometric analysis, offering precise and personalized results for orthodontics.

What is ARCUS?

ARCUS (Unified Cephalometric Relationship Analysis) is an advanced system that uses neural networks and machine learning to process both radiographic images and cephalometric measurements. Its goal is to provide a precise diagnosis of the cranial and mandibular anatomical relationships, now with additional components that include the analysis of parafunctions and growth statistics.

How does ARCUS work?

Cephalometric pattern classification: Identifying facial and skeletal features that may indicate possible malformations or disorders.
Diagnosis prediction: Generating reliable diagnoses based on comparisons with large databases, enabling accurate and informed decision-making.
Orthodontic planning assistance: Providing personalized recommendations for interventions and treatments based on the results obtained.
Parafunction and growth analysis: Assessing the patient’s habits and growth patterns, offering a long-term perspective on their evolution.

ARCUS also includes an internal self-assessment program, which allows for a deeper understanding of etiopathologies, neuroanatomy, oral physiology, and other essential aspects of orthodontic diagnosis, forming a key part of the theoretical and practical understanding in the pedagogical process of orthodontics.

ARCUS evaluation test

ARCUS is a unified cephalometric diagnostic system designed to analyze craniofacial relationships in an integrated and hierarchical manner, going beyond the isolated interpretation of linear or angular measurements. The core concept of ARCUS is based on the idea that form, function, and growth pattern (Biotype) cannot be evaluated as independent entities, but rather as interrelated units within a dynamic and unified system.

The ARCUS multilevel assessment system is designed as a structured diagnostic and cephalometric test with progressive levels of analysis and an extensive database that allows, for example, the linking of cephalometric and clinical situations or functional alterations in a single question. This enables a gradual interpretation of craniofacial and dental relationships according to clinical complexity and diagnostic needs.

This multilevel design ensures that the diagnosis evolves from a comprehensive structural assessment to a detailed functional and predictive evaluation, maintaining consistency throughout the entire diagnostic process.

LEVEL I – Structural Bases

Global Craniofacial Assessment

Purpose:
To establish the structural baseline of the craniofacial complex.

Focus:

Cranial base relationships
Sagittal and vertical skeletal patterns
Global facial proportions

Clinical value:

Identifies the primary skeletal pattern
Defines the diagnostic starting point
Guides the need for deeper analysis

LEVEL II – Skeletal and Dental Relationships

Relationships Between Systems

Purpose:
To evaluate the relationships between skeletal and dentoalveolar units.

Focus:

Maxillo-mandibular relationships
Dental position relative to basal bones
Compensation patterns

Clinical value:

Distinguishes between skeletal discrepancy and dental compensation
Supports treatment strategy selection

LEVEL III – Functional and Growth Analysis

Dynamic Evaluation

Purpose:
To integrate function and growth potential into the diagnosis.

Focus:

Growth direction and rotational patterns
Neuromuscular patterns and malocclusions, Functional matrices
Developmental tendencies

Clinical value:

Enhances predictive capacity
Supports timing and modality of treatment

LEVEL IV – Integrated Diagnostic Synthesis

Clinical Decision Framework

Purpose:
To synthesize all previous levels into a coherent diagnostic conclusion.

Focus:

Integration of structure, function, and growth
Identification of therapeutic priorities
Risk and limitation assessment

Clinical value:

Provides a clear diagnostic statement
Supports predictable clinical decision-making

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