A surgical saw blade (52, 52a, 52b, 702) comprising: an elongated blade bar (494, 494a, 494b) having opposed plates (502, 502a, 504, 504a), the blade bar having opposed proximal and distal sections, the proximal section having a feature (516, 538) for releasably holding the blade bar to a powered surgical saw, the distal section being formed with a void space and a primary opening into the void space, wherein the blade bar plates are spaced apart from each other so as to form in the blade bar distal section the void space; a blade head (76, 76a), the blade head having: a base (496, 496a) disposed in the void space of the blade bar distal section that is pivotally mounted in the void space; and a crown integral with the base that extends through and outside of the blade bar distal section primary opening, the crown being formed with teeth (499, 499a), wherein the base and the crown both have a thickness and the thickness of the crown is greater than that of the base to allow the insertion of the blade bar (494, 494a, 494b) into a kerf cut by the blade head (76, 76a); and at least one drive rod (74, 74a), said at least one drive rod having a distal end movably attached to the blade head base and a proximal end adjacent blade bar proximal section, the proximal end configured to engage a drive member (72, 72a, 72b) integral with the surgical saw; characterized in that: each of the blade bar plates (502, 502a, 504, 504a) is formed with a secondary opening (520, 520a, 539, 539a); a pair of fingers (558, 558a) extends forward from each said at least one drive rod (74, 74a), said fingers being spaced apart from each other, each said finger being disposed in a separate one of the blade bar secondary openings; and forward of the at least one drive rod (74, 74a), said blade head base is disposed between said fingers and said fingers pivotally connect said blade head base to said at least one drive rod (74, 74a). an elongated blade bar (494, 494a, 494b) having opposed plates (502, 502a, 504, 504a), the blade bar having opposed proximal and distal sections, the proximal section having a feature (516, 538) for releasably holding the blade bar to a powered surgical saw, the distal section being formed with a void space and a primary opening into the void space, wherein the blade bar plates are spaced apart from each other so as to form in the blade bar distal section the void space; a blade head (76, 76a), the blade head having: a base (496, 496a) disposed in the void space of the blade bar distal section that is pivotally mounted in the void space; and a crown integral with the base that extends through and outside of the blade bar distal section primary opening, the crown being formed with teeth (499, 499a), wherein the base and the crown both have a thickness and the thickness of the crown is greater than that of the base to allow the insertion of the blade bar (494, 494a, 494b) into a kerf cut by the blade head (76, 76a); and at least one drive rod (74, 74a), said at least one drive rod having a distal end movably attached to the blade head base and a proximal end adjacent blade bar proximal section, the proximal end configured to engage a drive member (72, 72a, 72b) integral with the surgical saw; characterized in that: each of the blade bar plates (502, 502a, 504, 504a) is formed with a secondary opening (520, 520a, 539, 539a); a pair of fingers (558, 558a) extends forward from each said at least one drive rod (74, 74a), said fingers being spaced apart from each other, each said finger being disposed in a separate one of the blade bar secondary openings; and forward of the at least one drive rod (74, 74a), said blade head base is disposed between said fingers and said fingers pivotally connect said blade head base to said at least one drive rod (74, 74a). each of the blade bar plates (502, 502a, 504, 504a) is formed with a secondary opening (520, 520a, 539, 539a); a pair of fingers (558, 558a) extends forward from each said at least one drive rod (74, 74a), said fingers being spaced apart from each other, each said finger being disposed in a separate one of the blade bar secondary openings; and forward of the at least one drive rod (74, 74a), said blade head base is disposed between said fingers and said fingers pivotally connect said blade head base to said at least one drive rod (74, 74a).