Review Article
Biomaterials and Biological Parameters for Fixed-Prosthetic Implant-Supported Restorations: A Review Study
Table 3
Peri-implant disease classification.
| Type | Characteristic |
| Early | PD greater or equal to 4 mm (suppuration and/or bleeding on probing) | Bone loss of smaller than 25% of the length of implant |
| Moderate | PD greater or equal to 6 mm (suppuration and/or bleeding on probing) | Bone loss of 25–50% of the length of implant |
| Advanced | PD greater or equal to 8 mm (suppuration and/or bleeding on probing) | Bone loss of greater than 50% of the length of implant |
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