Acquisition kit

An acquisition kit comprising:

• a cell phone having
• a front face,
• a rear face with a screen, and
• a side edge, defining the thickness of the cell phone and connecting the front and rear faces;
• the cell phone being provided with a 2D and/or 3D data acquisition lens;
• a cell phone holder comprising
• a spacer, opening out through an oral opening intended to be inserted in the mouth of the user and through an acquisition opening, and
• an adapter attached to the spacer and defining with the spacer a chamber opening out through the oral opening and through an adapter opening, the adapter comprising a base to which the cell phone is rigidly attached, preferably removably, in an acquisition position in which the lens has an at least partial view of the oral opening, through the adapter opening and the acquisition opening, the spacer having
• a body of generally tubular shape, defining the oral opening and
• a distal flange extending outward from the body and shaped so as to be inserted between the user's lips and teeth,
• the oral opening extending partially outside the plane passing through its center and perpendicular to the axis connecting the center of the oral opening and the center of the acquisition opening,
• the oral opening having a curvature about a vertical axis in the service position, the radius of said curvature being greater than 20 mm and less than 80 mm.