<prompt> Which of the following teeth is most commonly associated with eruption sequestrum?Permanent second premolarPermanent second molarPermanent first molarPermanent first premolar  <response>: The eruption sequestrum is seen occasionally in children at the time of the eruption of the first permanent molar.Starkey and Shafer have described the sequestrum as a tiny spicule of nonviable bone overlying the crown of an erupting permanent molar just before or immediately after the emergence of the tips of the cusps through the oral mucosa. 