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A clinical study on the effect of maxillary incisor torque with controlling root auxiliary arch / 实用口腔医学杂志
Journal of Practical Stomatology ; (6): 787-791, 2014.
Artículo en Chino | WPRIM | ID: wpr-475168
ABSTRACT

Objective:

To explore the torque effect of controlling root auxiliary arch on the straight wire appliance on maxillary anterior teeth.

Methods:

22 patients with class Ⅱ1 extraction treatment,treated with straightwire appliance,at the detailing treatment stage were treated with controlling root auxiliary arch over the erect or introverted maxillary incisors for positive torque.The main arch wire of 0.46 mm ×0.64 mm stainless steel edge wire was used in 14 cases,the main arch wire of 0.46 mm stainless steel round wire was used in 8 cases.Cephalometric results before and after maxillary incisor torque were analyzed by t test.

Results:

After maxillary incisor torque in the 22 cases 1-SN and UIa-NA value increased(P <0.01),positive torque was achieved by controlling root auxiliary arch on the upper incisors;the round wire maxillary incisor torque worked faster than the edge wire(P <0.05).

Conclusion:

At the detailing stage of treatment straight wire appliance on front teeth,controlling root auxiliary arch is simple and effective in the treatment of exces-sive erect or lingual inclination of maxillary incisor.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Journal of Practical Stomatology Año: 2014 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Journal of Practical Stomatology Año: 2014 Tipo del documento: Artículo