Table 2. The information of four failed implants.
| Condition | Failed implants | |||
|---|---|---|---|---|
| A | B | C | D | |
| Patients age/Gender | 45/Female | 91/Male | 54/Female | 60/Female |
| Treatment modality | Surveyed crown | Overdenture | ||
| RPD retention type | Embrasure clasp | Embrasure clasp | Hader bar | Hader bar |
| Location of implant placed | #37 | #37 | #14 | #22 |
| Diameter/length of implant (mm) | 3.3/18 | 6.0/11.5 | 4.0/11.5 | 4.0/11.5 |
| Connection type | External | External | External | External |
| Survival periods (months) | 134 | 22 | 17 | 85 |
| Opposing dentition | Natural tooth | Implant FPD | Natural tooth | Natural tooth |
| Reason of failure | Pain, exudate | Bone loss, exudate | Pain, exudate | Bone loss, exudate |