IS 4977 : 1968 Specification for Forceps, Extraction, Dental, Lower Molar, Hawks Bill, No. 1

1 Scope

1.1 This standard specifies the requirements for dental forcepsNo. 1 of Hawks Bill pattern used for the extraction of lowermolars.

2 References

IS 2 : 1960Rules for rounding off numerical values

IS 1570 :1961Schedules for wrought steels for generalengineering purposes

IS 3403 :1966Dimensions for knurling

IS 3642 :1966General requirements for surgical instruments

IS 4218 : Part I :1967 ISO metric screw threads : Part I Basicanddesign profiles