A selection guide suitable for the clinical situation based on the advantages of each abutments
| Characteristics | Biological | Mechanical |
|---|---|---|
| Implant-abutment connection system | Internal connection - Low microleakage - High load distribution - High bone stability |
External connection - Low abutment fracture |
| Abutment substructure | Internal conical - Mechanical stability - Low marginal bone loss |
Internal conical - No fixture fracture Double engagement - High load distribution |
| Abutment ingredients | Zirconia - Better surface properties - High Biocompatibility |
Titanium - High strength |
