7631S   EMS PERIODONTICS GOLD SET OF 4 7631-1,EMS DP1T REMOVE SUBGINGIVAL CALCULUS 7631-2,EMS DP3T REMOVE SUBGINGIVAL CALCULUS AND DEEP PERIO CALCULUS 7631-3,EMS DP4T REMOVE SUBGINGIVAL CALCULUS AND INTERDENTAL CALCULUS 1983 TIP HOLDER