Case 145. Reference case 145A

　 　 　 　
　 Entamoeba gingivalis in the dental socket (smear preparation from a patient with alveolar pyorrhea, Papanicolaou). 　
　 　 　 　

　

 　 Neutrophil-phagocytizing ameba trophozoites are increased in case of parodontitis. Numerous bacteria are observed in the background. The ameba is usually non-pathogenic.