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Interceptive therapy for maxillary constriction: a cast-metal-type splint expander.

Sara Martinez¹, Paolo Carletti, Annamaria Viscogliosi

¹sara.mose@tiscali.it

Progress in Orthodontics

|October 2, 2012

Summary

A novel cast-metal splint expander effectively treats severe maxillary constriction. This versatile dental appliance offers enhanced patient comfort and superior gingival tissue preservation during orthodontic treatment.

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Area of Science:

Orthodontics
Dental Materials Science

Background:

Severe maxillary constriction requires effective orthodontic intervention.
Traditional rapid palatal expansion devices (e.g., Haas, banded expanders) can cause gingival irritation and patient discomfort.

Observation:

A new cast-metal-type splint expander was introduced for treating severe maxillary constriction.
This appliance was compared to existing acrylic splint, Haas, and banded expanders.

Findings:

The cast-metal splint expander demonstrated comparable efficacy to traditional rapid expanders.
It offered significantly improved gingival tissue tolerance during and after treatment.
Enhanced patient comfort allowed for extended appliance wear (several months) without gingival discomfort.

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Implications:

This innovative expander provides a more comfortable and tissue-friendly alternative for rapid maxillary expansion.
Its versatility makes it suitable for various dentition stages (permanent, mixed, deciduous).
Improved patient compliance may lead to better treatment outcomes in managing maxillary hypoplasia.