A protection device for use in oral surgery. The device comprises； a body having a first part which locates outside a patient's mouth and a second part which, during use, locates inside the mouth. The body is arranged such that at least a part of the body is resiliency deformable to enable manual shaping to accommodate an anatomical shape of at least part of a patient's mouth, thereby providing a physical barrier between surgical instrumentation and a patient's soft tissue.
