Pearl for orthodontic treatment

A pearl to be placed on a tooth for an orthodontic treatment, the pearl having a surface, the surface comprising a first surface and a second surface, the first surface being in contact with a tooth and the second surface being opposite to the first surface, wherein:

• the second surface does not comprise any sharp corner, and wherein
• the second surface comprises a first opening and a second opening, and the pearl further has a passage for an archwire, the passage extending through the first opening and the second opening of the second surface, and longitudinally between the first and the second openings along a longitudinal direction, the passage having a square or rectangular cross-section shape.

A method of manufacturing a pearl to be placed on a tooth for an orthodontic treatment, the pearl comprising a surface, the surface consisting of a first surface and a second surface, the first surface being destined to be in contact with a tooth and the second surface being opposite to the first surface, the second surface not comprising any sharp corner, and the second surface comprising a first opening and a second opening and the pearl further having a passage for an archwire, the passage extending through the first opening and the second opening of the second surface, and longitudinally between the first and the second openings along a longitudinal direction, the passage having a square or rectangular cross-section shape, wherein the pearl is obtained by additive manufacturing.