PAIVA, P.F.PAIVA, G.NASR, M.K.NUNES, L.J.MOREIRA, L.A.ZEZELL, D.M.2022-02-162022-02-162004PAIVA, P.F.; PAIVA, G.; NASR, M.K.; NUNES, L.J.; MOREIRA, L.A.; ZEZELL, D.M. Cavity preparation with ER:YAG laser: pain evaluation. <b>Brazilian Dental Journal</b>, v. 15, p. 94-94, 2004. Special issue. Disponível em: http://repositorio.ipen.br/handle/123456789/32743.0103-6440http://repositorio.ipen.br/handle/123456789/32743They were selected for this work clinic patient of the which were selected 15 teeth with decay lesion, being ten teeth with lesion type class I, of these five for the group-control with high conventional rotation, and five for the group laser class I, and five teeth with lesion type class Vfor the group laser. In the preparations with laser of Er:YAG (Kavo Key Laser 2), any patient do not was anesthetized, even in the deepest cavities, and the maximum degree of pain (that varied from 0 to 10) it was of 4. In the group-control, with mounted tip in high conventional rotation, two patients were anesthetized, and the maximum degree of pain was of 7. The use of the laser in the dental clinic (restorative dentistry), using the technology laser in the dental preparations, it showed to be a good alternative to the use of the mounted tip in high conventional rotation. 9494-94openAccessdentinteethoral cavitylasersbiological recoverypainResumos em periódicos15Special issue0000-0001-7404-9606https://orcid.org/0000-0001-7404-9606Sem PercentilSem Percentil CiteScore