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Measuring Sensitivity to Viewpoint Change with and without Stereoscopic Cues
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
Summary
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.
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.
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