Examinando por Materia "Borde WALA"

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(Universidad Privada Norbert Wiener, 2016-12-01) Gómez Alcalá, Verónica José; Fernández Velazco, Juan Carlos; León, Gina
The distance between the FA point (midpoint of the vestibular axis of the clinical crown) and the WALA Border (anatomic structure located at the mucogingival junction of the lower maxilla) is important for determining the position of the lower maxillary teeth in Element I. These distances, lines, and reference points were described by Lawrence Andrews, who introduced the six keys to optimal occlusion, which have become a standard for evaluating the quality of occlusion in individuals. The evaluation of the vestibular anatomy of these models helped develop the straight arch appliance, which is characterized by providing brackets with three-dimensional information to perform optimal orthodontic treatment in a simpler way, without needing too many bends in the wires. Following these contributions, the philosophy of the six elements of Orofacial Harmony emerged. This analysis is important for personalized diagnostic evaluation of each patient. It is different because these analyses were conducted on people with different morphological characteristics who present different facial patterns and biotypes.
Acceso abierto
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.