All

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 E06 Dentistry D003813 +
  E06.721 Periodontics D010517 +
   E06.721.189 Dental Prophylaxis D003777 +
    E06.721.189.350 Dental Scaling D012534 +
     E06.721.189.350.650 Root Planing D016745 
 E06 Dentistry D003813 +
  E06.721 Periodontics D010517 +
   E06.721.874 Subgingival Curettage D013357 +
    E06.721.874.650 Root Planing D016745 
 E06 Dentistry D003813 +
  E06.761 Preventive Dentistry D011313 +
   E06.761.227 Dental Prophylaxis D003777 +
    E06.761.227.350 Dental Scaling D012534 +
     E06.761.227.350.650 Root Planing D016745