Implant Stability: For Long-Term Success (2023)

Our whole treatment planning depends on IMPLANT STABILITY.  We want implant to be stable from first day only so that the patient is given teeth to eat as soon as possible. Does insertion torque tell us implant stability?

Insertion torque means you are able to penetrate a crew inside the bone on a particular force or not and the more torque means the more stable implant. But insertion torque doesn’t tell us the actual value of IMPLANT STABILITY. When we talk about IMPLANT STABILITY then stability could be of two types –

1. PRIMARY

2. SECONDARY

PRIMARY STABILITY means during implant surgery when we put lateral, axial or rotational no movement of implant could be seen. And this stability comes because of stability of implant or bone and mechanical connection.

And the more movement the implant has, the more chances will be of implant failure.

SECONDARY STABILITY means the stability of implant comes due to osseo-integration.

So, 1degree stability comes due to mechanical reason and

2degree stability comes due to biological reason.

Thread of the implant have gone inside the bone due to which implant is stable means 1degree stability.

The implant thread has also become bone in between which means 2degree stability.

1degree stability decreases with time and till 1^st week to 3^rd week primary stability exponentially decreases.

2degree stability rises slowly-slowly after 1^st week and become little stable after 5^th week.

But if you will focus then between 1^st weeks to 5^th week there is a dip in which implant stability is very low and there are more chances of failing of implant in this phase.

So, if you want to give teeth to the patient immediately then you should give it within three days or then after two months.

If you disturb implant from 3days to 6 weeks, the chances of failing implant increases even more.

But we want to decrease our waiting time, so development occurs so that this graph could be changed.

We want that 1degree implant last long so that secondary stability can bear the load till development. And we can fasten the 2degree stability so that 2degree stability can be prepared before the end of 1degree stability and implant can bear the load.

THANK YOU…