“…Though children are the most widely affected group (80% of cases), ingestion of foreign bodies can also be found in elderly edentulous subjects; elderly patients with impairment of masticatory function or with dentures; gastroresected patients (Dionigi, 1992); patients who have undergone therapeutic procedures (dental or emergency); convicts (in an attempt to be transferred to the infirmary) (Magdalena-Castimeira and Magdalena Lopez, 1994); thieves attempting to conceal stolen items, the so-called 'bodypackers' or drug dealers who swallow packets of drugs; some cases of suicide; and psychiatric patients, above all schizophrenic (McLoughlin, 1987;Jacob et al, 1990;Riccio et a1., 1990;Kikoler et al, 1992;Arrowood et al, 1993;Sharland and McCaughan, 1993;Tanigawa et aI., 1993;Jiingling et aI., 1994;Morrone et aI., 1996) and epileptic patients (Yang, 1991).…”