A New Construction of Tooth Positioner by LTV Vinyl Silicone Rubber

Influence of material choice on the force delivery of bimaxillary tooth positioners on canine malpositions

“…The original tooth positioner was made of natural rubber [8], which was replaced by a variety of materials including thermoelastic acryl, polyether urethane, ethylene vinyl acetate, and silicone [3,11,21]. The tooth positioner was developed in 1945 to provide "a simple appliance that would influence all of the teeth to flow into their best possible position" [8].…”

“…Der ursprüngliche Zahnpositioner bestand aus Naturgummi [8], das durch eine Vielzahl von Materialien einschließlich thermoelastisches Acryl, Polyetherurethan, Ethylenvinyl-Acetat und Silikon ersetzt wurde [3,11,21]. Die Entwicklung des Zahnpositioners im Jahre 1945 war von der Absicht getragen, "eine einfache Apparatur zu finden, die so auf alle Zähne einwirken würde, dass sie sich fließend in ihre bestmögliche Position bewegen" [8].…”

Construction of tooth positioners with LTV vinyl silicone rubber and some case reports.

“…In the orthodontic field, attention has recently begun to center on active treatment with tooth positioners, appliances with elasticity made of rubber materials used for orthodontic force in place of conventional metal wires [1][2][3][4][5][6][7].…”

“…Therefore, for several years the authors have been studying their practical application and trying to develop a material that is easy to manipulate and superior in physical properties [2,3,13]. As a result, the authors have developed a clinically applicable method of tooth positioners with low temperature vulcanized (LTV) vinyl silicone rubber.…”

Case reports on tooth positioners using LTV vinyl silicone rubber.

“…Since it was a remarkable case of maxillary protrusion , a slit was made between the maxillary anterior teeth of the tooth positioner for the purpose of achieving adequate orthodontic force [7,9,14]. As this treatment proved effective after five months, the first tooth-positioner was replaced by a second .…”