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Related Experiment Videos

A segmental approach to mandibular molar uprighting

W W Roberts, F M Chacker, C J Burstone

    American Journal of Orthodontics
    |March 1, 1982
    PubMed
    Summary

    Molar uprighting aims to position molars for optimal periodontal health and function as abutments. A modified Burstone root spring technique offers precise angulation correction before extrusion, minimizing patient discomfort.

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    Area of Science:

    • Dental biomechanics and periodontology.

    Background:

    • Molar uprighting is crucial for creating ideal abutment teeth for fixed prostheses.
    • Optimal molar positioning ensures a favorable periodontal environment, protecting against disease and occlusal trauma.

    Purpose of the Study:

    • To discuss the diagnosis and treatment of molar uprighting.
    • To emphasize the biomechanical principles for achieving desired periodontal outcomes.
    • To present a specific segmental technique for correcting significantly angulated molars.

    Main Methods:

    • Utilized a modified Burstone root spring for a segmental approach in molar uprighting.
    • Focused on dissociating angulation correction from tooth extrusion.
    • Compared the technique's parameters (precision, load/deflection, patient comfort) with other methods.

    Main Results:

    • The modified technique allows precise correction of molar angulation.
    • Extrusion, when necessary for periodontally involved molars, should follow angulation correction.
    • Advantages include ease of preactivation, favorable mechanics, reduced patient discomfort, and stability.

    Conclusions:

    • A multidisciplinary approach is ideal for complex cases.
    • Individual evaluation of malocclusion and periodontal status is essential for tailored treatment planning.
    • The described technique offers significant advantages for molar uprighting.

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