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Original Article

Oclusal splints as a procedure to obtain an orthodontic diagnosis in centric relation

2003, Volumen 33, Número 1
Eduardo Espinar Escalona, M.ª Victoria Alfonso, José Chaqués Asensi, Antonio Martín, Enrique Solano Reina
Máster de Ortodoncia y Ortopedia Dentofacial. Facultad de Odontología. Universidad de Sevilla. Sevilla

A correct and reliable mandibular position is considered one of the basic factors in achieving a proper diagnosis in Orthodontics. One of the most commonly used ways to determine a true mandibular position is the interposition of an oclusal splint in order to deprogram the musculature and eliminate neuromuscular adaptation. The fabrication of the splint has been usually performed following one of these two methods: 1. Vacuum-formed splints onto which self-curing acrylic can be added. 2. Custom-made type of splint totally fabricated with self-curing acrylic. The splint is placed in the mouth and the followup of the patient is carried out with devices that allow to monitor the condilar position. Namely, the Mandibular Position Indicator (MPI) when using the SAM articulator, and the Condylar Position Indicator (CPI) when using the Panadent articulator. Both of them allow us to have an exact reference of the condilar position and its modification through the use of the splint. The data obtained is processed in order to establish a proper diagnosis of the patient’s Centric Relation (CR) that would be considered a departing point for an accurate treatment planning.  (Rev Esp Ortod. 2003;33(1):041-049)

Key words:
Semiadjustable articulator. Neuromuscular deprogramation. Oclusal splint. Centric relation.
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