| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 5.0 / 5 (2) | Madrid, Spain | — | — | Same day All-on-4 dental implants | — | — | Joint Commission International , International Organization for Standardization | |
| #2 | 4.5 / 5 | Madrid, Spain | — | — | Same day All-on-4 dental implants | — | — | Sociedad Española de Periodoncia y Osteointegración | |
| #3 | 4.9 / 5 | Valencia, Spain | — | — | Same day All-on-4 dental implants | — | — | ISO 9001:2015 Quality management systems | |
| #4 | 4.9 / 5 | Hospitalet, Spain | — | Same day All-on-4 dental implants | — | — | — |