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Technique for attaching a sectional wire or a ballista spring to a dual-top micro screw

When micro screws entered into general use it was a revolution for orthodontics on every level. Thanks to skeletal anchorages, micro screws and mini plates, we are constantly pushing the limits of orthodontics ever further.

I have recently received emails from various associates and friends in the profession asking me about how to attach wires to micro screws for the traction of an impacted canine, about which micro screws I use or what wire I use for the traction of an impacted canine, and so on. In this blog entry I will answer these questions.

I’m currently using micro screws from the JEIL brand, which has models with a range of different screw heads. For applying traction to an impacted tooth I use the JD and G2 models. The wire used must be beta titanium and of thickness 019×025, bent in the typical ballista spring shape and attached via a metal ligature to the head of a micro screw already set in the mouth.

The JD model is dual-top and has a head for a single bracket rather than a twin bracket.

Ortodoncia Friedlander Barcelona microtornillos invisalign lingual invisible

Image of the head of the JEIL brand’s JD model micro screw

The method for attachment to this type of micro screw is very straightforward, similar to that for normal brackets

Ortodoncia Friedlander Barcelona microtornillos invisalign lingual invisible

The method for attaching a wire to JEIL’s JD model micro screw is the same as with any standard brackets.

The G2 model is dual-top, having a head with two grooves in the form of a cross and a hole going sideways through it.

Ortodoncia Friedlander Barcelona microtornillos invisalign lingual invisible

Image of the head of the JEIL brand’s G2 model micro screw and its sideways hole.

Attachment method: this type of micro screw is attached by passing a metal ligature through the hole, then threading the wire through the eyelet that the ligature creates.

Ortodoncia Friedlander Barcelona microtornillos invisalign lingual invisible

Attachment to a G2 model micro screw begins with the threading of a ligature through the micro screw’s sideways hole.

Ortodoncia Friedlander Barcelona microtornillos invisalign lingual invisible

Method for attaching a wire to a G2 model micro screw. It finishes with the wire being passed through the eyelet formed by the ligature.

Final view of the wire attached to the head of the micro screw and its appearance in the mouth of an impacted canines case.

G2 3 Ortodoncia Friedlander Barcelona microtornillos invisalign lingual invisible CANINOS copia

Final view of the wire attached to the micro screw, and inside the mouth a sectional wire to apply traction to impacted teeth.

Once it has all been properly attached, a little bit of fluid composite is applied to the head of the micro screw in order to prevent irritation to the tongue and other mucous membranes in the mouth.

Para más información consúltanos llamando al teléfono 93 832 72 81.

By |2018-07-31T14:39:40+00:0014-07-2015|Blog, Aesthetics, Orthodontics|

About the Author:

Soy odontólogo y máster en ortodoncia por la UB. Voy más allá de una sonrisa estética, me apasiona el buen funcionamiento y armonía de todo el sistema masticatorio hasta el último detalle y trabajo cada día por conseguir la excelencia en mis tratamientos, en constante formación, innovando en técnicas y siempre rodeado de un gran equipo de personas, que al igual que yo, tiene claro que en Ortodoncia Friedländer tratamos personas, no solo dientes.

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