Chapter ten Extraction of primary teeth and young permanent teeth Chongqing Medical University Department of preventive and pediatric dentistry Yang gang
Chapter ten Extraction of primary teeth and young permanent teeth Chongqing Medical University Department of preventive and pediatric dentistry Yang gang
Preface
Preface
Indication of extraction -Indication of extraction of primary teeth 1.Primary teeth which can't be preserved Residual crowns and residual roots Primary teeth with severe periapical infection
Indication of extraction 一. Indication of extraction of primary teeth 1. Primary teeth which can’t be preserved ▪ Residual crowns and residual roots ▪ Primary teeth with severe periapical infection
The root tip of primary teeth expose out the gum The injured primary teeth which can't be preserved
▪ The root tip of primary teeth expose out the gum ▪ The injured primary teeth which can’t be preserved
2.Extraction for orthodontic treatment primary tooth retention Missing teeth.Hypodontia Unloose retent primary teeth serial extraction a.Primary canines b.First primary molars c.First premolars
2．Extraction for orthodontic treatment primary tooth retention Missing teeth. Hypodontia Unloose retent primary teeth serial extraction a.Primary canines b.First primary molars c. First premolars