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Designing CAD/CAM Surgical Guides for Maxillary Reconstruction Using an In-house Approach

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Correlation Between Maxillary Canine Impaction and Facial Biotype.

Vito Crincoli¹, Lucia Tettamanti², Alberta Greco Lucchina³

¹Department of Interdisciplinary Medicine, University of Bari Aldo Moro, Bari.

The Journal of Craniofacial Surgery

|March 7, 2019

Summary

Hyperdivergence, a facial characteristic, is a key factor influencing canine tooth eruption. Understanding this relationship aids in predicting successful treatment outcomes for impacted canine teeth in hyperdivergent individuals.

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Area of Science:

Dentistry
Orthodontics
Maxillofacial Surgery

Background:

The precise causes of tooth impaction remain unclear, though contributing factors are recognized.
Maxillary canine impaction is a common clinical presentation requiring further etiological investigation.

Purpose of the Study:

To investigate the relationship between facial biotype, upper canine axis inclination, and canine-to-occlusal plane distance.
To compare these factors statistically and analyze radicular length in impacted maxillary canine cases.

Main Methods:

A cluster sampling method recruited over 30 patients, refined to 25 after exclusions.
Radiographic analysis calculated angles (α, β, intermaxillary), distance 'd', and canine axis inclination.
Spearman rank correlation coefficient (ρ) was employed for statistical analysis.

Main Results:

A statistically significant inverse correlation was found between the inclination of the upper canine axis and the intermaxillary angle.
Facial biotype, specifically hyperdivergence, was identified as a crucial element.

Conclusions:

Hyperdivergence is a significant factor supporting the eruption pathway of canine teeth.
Treatment for canine impaction in hyperdivergent patients offers a good prognostic outlook.