Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Patient 1: radiographs of the right maxillary central incisor region. (a) 1994. Seemingly normal periodontal conditions in the central incisor region. (b) 1997. Severe cervical resorptions have appeared in the central incisor. (c) August 1999. Severe resorption of the root of the maxillary central incisor. The condition resulted in extraction of the central incisor. (d) December 1999. The maxillary central incisor has been extracted and the alveolar bone level is normal.
