Before the placement of bands, what procedure may be necessary?

The procedure involving the use of spacers is essential before the placement of bands in orthodontic treatment. Spacers, also known as separators, are small rubber or metal devices that are placed between the teeth to create space for the bands. This is particularly important in cases where the bands need to fit snugly around the molars and premolars, ensuring there is no interference and that the bands can be properly seated.

By using spacers, dental professionals can help to gradually widen the space between adjacent teeth without causing discomfort to the patient. This procedure typically takes place shortly before band placement, allowing for sufficient space to be created and ensuring that the bands can be attached easily and securely.

The other options are important components of orthodontic treatment, but they do not serve the specific preparatory role that spacers do prior to band placement. Brackets are attached directly to the teeth and are used once the bands are in place, arch wires are fitted to connect the brackets and facilitate movement, and ligatures are used to secure the arch wire to the brackets after they have been placed. Therefore, the use of spacers is the necessary preceding step to ensure successful band placement.