| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 5.0 / 5 | Tenerife, Spain | 11+ years | Tooth Whitening, CT of the mandible | — | — | — | ||
| #2 | 5.0 / 5 (3) | Madrid, Spain | — | — | Electromyography | — | — | Joint Commission International , International Organization for Standardization | |
| #3 | 4.7 / 5 (7) | Pamplona, Spain | — | — | Tooth Whitening | — | — | Joint Commission International , European Society for Medical Oncology | |
| #4 | 4.9 / 5 | Valencia, Spain | — | — | Tooth Whitening | — | — | ISO 9001:2015 Quality management systems | |
| #5 | 4.9 / 5 | Hospitalet, Spain | — | Tooth Whitening | — | — | — | ||
| #6 | 4.4 / 5 | Palma de Mallorca, Spain | 21+ years | Tooth whitening with ozone and laser, internal whitening | Tetracycline-stained teeth needing one-session whitening | Whitening lightens teeth up to 12 shades in one session. Laser plus ozone activation prevents sensitivity and enamel damage. Treats stubborn tetracycline stains. Dentist is an American Dental Association member. | — |