Examinando por Materia "Clase I"

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    Difference in the size of preformed arches and steel arches adapted to the WALA edge in dental models of class I patients in 2017
    (Universidad Privada Norbert Wiener, 2019-10-16) Caballero Caparachin, Ana Elizabeth; Yllu Ponce, Nancy
    Objective: This research aimed to determine the difference in size between preformed stainless steel arches and stainless steel arches adapted to the WALA ridge in Class I dental models, with or without orthodontic treatment, of Peruvian mestizo patients treated at Universidad Norbert Wiener. Methodology: The procedure involved selecting patients and creating models using high-flange trays. Impressions were taken with alginate and poured in blue Type II stone. Ten arches were adapted to the WALA ridge using a Tweed I plier. Measurements of the intercanine and intermolar zones were taken for all preformed arches at the WALA ridge. Preformed and adapted arches were marked with a fine-tipped permanent marker to denote the intercanine and intermolar regions and the midline. These references were transferred to graph paper, and measurements were made with a millimeter ruler. Data were recorded in a data table. To standardize criteria, the measurements and arch adaptations were calibrated with a postgraduate orthodontics and maxillofacial orthopedics advisor. Results: Statistically significant differences were found between stainless steel arches adapted to the WALA ridge and GAC and Ormco arches.