1.What is the dif­fe­rence bet­ween tis­sue level and bone level implants con­cer­ning the pre­ser­va­ti­on of hard and soft tis­sues?
2.What is the impact of the soft tis­sue adhe­rence on the abut­ment sur­face for the pre­ven­ti­on of peri implant dise­a­se?
3.What advan­ta­ges offers the one abut­ment — one time con­cept?