Table 1 Classification criteria for implant success/failure oriented to the “Health Scale for Dental Implants” [22]
Implant Quality Scale Group | Clinical conditions |
|---|---|
Group I/II: success (optimum health and satisfactory survival) | No pain on function No mobility No exudates history |
Group III: compromised survival | May have sensitivity on function Exudates history Peri-implantitis treatment required |
Group IV: failure | Pain on function Mobility Radiographic bone loss > ½ length of implant Uncontrolled exudate Unable to be restored Advised explantation No longer in mouth |