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Table 8 The implant quality scale

From: Outcomes of treatment with short dental implants compared with standard-length implants: a retrospective clinical study

Implant Quality Scale group

Clinical conditions

I. Success (optimum health)

No pain or tenderness upon function

0 mobility

 < 2-mm radiographic bone loss from initial surgery

No exudate history

II. Satisfactory survival

No pain on function

0 mobility

2–4-mm radiographic bone loss

No exudate history

III. Compromised survival

May have sensitivity on function

No mobility

Radiographic bone loss > 4 mm (less than1/2 of implant body)

Probing depth > 7 mm

May have an exudate history

IV. Failure (clinical or absolute failure)

Any of the following:

Pain on function

Mobility

Radiographic bone loss:

 > 1/2 length of XXX implant

Uncontrolled exudate

No longer in the mouth