TRANSIENT RED DISCOLORATION - REPORT OF CASE

The different evolutions of a red discoloration of the primary maxilla ry central incisors in the same patient are charted. In the right cent ral incisor the red discoloration disappeared; in the left it faded bu t was sustained until exfoliation. This case supports the theoretical existence of a transient type of discoloration following trauma. The r esorption of posttraumatic intrapulpal bleeding in a primary tooth is discussed as a possible pathogenesis.