释义 |
Clapton line Clap·ton line (klap'tŏn), a greenish discoloration of the marginal gingiva in cases of chronic copper poisoning.Clap·ton line (klap'tŏn līn) A greenish discoloration of the marginal gingiva in cases of chronic copper poisoning. Clapton, Edward, English physician, 1830-1909. Clapton line - a greenish discoloration of the marginal gingiva in cases of chronic copper poisoning.Clap·ton line (klap'tŏn līn) Greenish discoloration of the marginal gingiva in cases of chronic copper poisoning. |