K08.4 - Partial loss of teeth
K08.42 - Partial loss of teeth due to periodontal diseases
K08.421 - Partial loss of teeth due to periodontal diseases, class I
K08.422 - Partial loss of teeth due to periodontal diseases, class II
K08.423 - Partial loss of teeth due to periodontal diseases, class III
K08.424 - Partial loss of teeth due to periodontal diseases, class IV
K08.429 - Partial loss of teeth due to periodontal diseases, unspecified class