Elements · ← Ho Holmium · Tm Thulium →
Erbium lasers (Er:YAG) are used in dentistry.
| Symbol | Er |
|---|---|
| Atomic number | 68 |
| Standard atomic weight | 167.26 |
| Group | none (lanthanide series) |
| Period | 6 |
| Block | f-block |
| Category | Lanthanide |
| Standard state | Solid |
| Discovered | 1843 |
Source: PubChem, Erbium (periodic table data, retrieved 2026-10-19). Group and period follow the standard 18-column periodic table.
In a study of 103 patients at five dental hospitals, Er:YAG laser cavity preparation was more comfortable than conventional mechanical drilling, and 82% of patients said they would prefer the laser for future caries treatment.
As reported in: Keller, Hibst, Geurtsen et al. (1998). Erbium:YAG laser application in caries therapy. Evaluation of patient perception and acceptance. Journal of Dentistry. doi:10.1016/s0300-5712(97)00036-5
Abstract only
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