Table 1 Characteristic of implant systems used in present study.

From: Precise multi-factor immediate implant placement decision models based on machine learning

Implant system

Diameter/length

Implant apex design

Nobel active

4.3/13 mm

Tapered/ deep thread/ long cutting edge

Nobel parallel CC

4.3/13 mm

Tapered/ shallow thread/ long cutting edge

Nobel replace CC

4.3/13 mm

Tapered/ shallow thread/ no cutting edge