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Archform in cleft palate--a computerized tomographic classification.

S C Pandey¹, R K Pandey, S K Bhatnagar

¹Provincial Health & Medical Services of the State of U.P. India.

The Journal of Clinical Pediatric Dentistry

|February 24, 2006

Summary

This study classified maxillary arch forms in cleft lip and palate patients using CT scans. A simplified U and V-shaped classification with subtypes was developed for pediatric dentistry.

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Area of Science:

Dentistry
Orthodontics
Craniofacial Anomalies

Background:

Cleft lip and palate (CLP) are common congenital anomalies affecting facial development.
Accurate assessment of maxillary arch form is crucial for effective orthodontic treatment planning in CLP patients.
Existing classifications may lack simplicity or comprehensive applicability in clinical settings.

Purpose of the Study:

To investigate and classify the diverse maxillary arch forms in individuals with cleft lip and palate.
To introduce a simplified classification system for maxillary arch forms based on observable patterns.
To evaluate the clinical utility of this new classification in pediatric dentistry.

Main Methods:

A prospective study involving fifty patients with cleft lip and palate.
Maxillary arch form tracing from Computer Tomograph (CT) sections, both pre- and post-operatively.
Analysis of traced arch forms to identify distinct patterns and develop a classification system.

Main Results:

Observed maxillary arch forms were categorized into U-shaped and V-shaped patterns.
Subtypes were defined as posteriorly-convergent (c), divergent (d), and parallel (p) for both U and V shapes.
The classification demonstrated a clear differentiation of arch forms in the studied cohort.

Conclusions:

A simplified classification system for maxillary arch forms (U and V shapes with subtypes c, d, p) was successfully developed.
This classification provides a practical tool for assessing arch morphology in cleft lip and palate patients.
The proposed system is suitable for application in pediatric dentistry practice for improved treatment planning.