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Related Experiment Video

Updated: May 30, 2026

Measuring Sensitivity to Viewpoint Change with and without Stereoscopic Cues

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Published on: December 4, 2013

Modification of the bidimensional system.

Daniel J Rinchuse¹, Donald J Rinchuse

¹Graduate Program in Orthodontics Seton Hill University, Greensburg, PA, USA. drinchuse@aol.com

Orthodontics : the Art and Practice of Dentofacial Enhancement

|July 27, 2011

Summary

This summary is machine-generated.

The dual-slot system modifies the bidimensional orthodontic system, offering a new approach to bracket slot sizes. This study compares these systems, addressing concerns about posterior play and three-dimensional control in orthodontic treatment.

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Area of Science:

Orthodontics
Biomaterials

Background:

The edgewise bimetric system, introduced in the 1970s, utilized varying bracket slot sizes (0.016-inch for incisors/canines, 0.022-inch for premolars/molars).
The bidimensional system, a preadjusted variation, employs 0.018-inch slots for incisors and 0.022-inch slots for other teeth.

Purpose of the Study:

To compare the modified bidimensional system (dual-slot system) with the original bidimensional system.
To provide justification for the use of both the bidimensional and dual-slot systems in orthodontic treatment.
To address and rationalize concerns regarding posterior play and three-dimensional control associated with these systems.

Main Methods:

Development of a novel dual-slot orthodontic system, a modification of the bidimensional system.
Comparative analysis of the bidimensional and dual-slot systems.
Evaluation of posterior play and three-dimensional control for both systems, including self-ligating hybrid variations.

Main Results:

The study aims to rationalize the use of the bidimensional and dual-slot systems.
Concerns about posterior play and lack of three-dimensional control are addressed for both systems.
Justification for the clinical application of these modified bracket systems is provided.

Conclusions:

The dual-slot system represents a further modification of established bimetric orthodontic principles.
The article provides a rationale for managing posterior play and enhancing three-dimensional control with these systems.
Both the bidimensional and dual-slot systems, including their self-ligating hybrid forms, are discussed in the context of orthodontic treatment efficacy.