Abstract: A toothbrush protective of tissues may include an elongated toothbrush handle assembly including an elongated biasing member including a bridge hinge axis perpendicular to a major longitudinal axis and configured for flexing movement about a bridge hinge axis in common with flexing movement of a major transition member about a transition member hinge axis proximate the bridge hinge axis, a major handle member which may include a handle member first connection configured to receive a biasing member first end and a handle member second connection configured to receive a transition member first end, and a major head member which may include a head member first connection configured to receive a biasing member second end and a head member second connection configured to receive a transition member second end.