Browse Disease Index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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9  Diseases of the Digestive System
520-529   Diseases of Oral Cavity, Salivary Glands, and Jaws
523   Gingival and periodontal diseases
523.6   Accretions on teeth
   Dental calculus:
   subgingival
   supragingival
   Deposits on teeth:
   betel
   materia alba
   soft
   tartar
   tobacco
   Extrinsic discoloration of teeth
Excludes:    intrinsic discoloration of teeth (521.7)