ArticleBMC oral health2026
Er: YAG laser debonding performance for cement-retained zirconia implant crowns.
Article in BMC oral health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
backgroundErbium laser debonding methods have been increasingly applied in natural tooth restorations and are highly important for the repair and maintenance of cement-retained implant restorations. However, the debonding process is challenging, and research on its safety, efficacy, and influencing factors remains insufficient. Therefore, this study aimed to investigate the effects of different zirconia crowns and abutments on temperature increases and debonding time when using an Er: YAG laser to debond zirconia cement-retained implant crowns.
methodsThe different abutments and zirconia crowns were divided into four groups, the Ti-3Y, Ti-4Y/5Y, Zir-3Y, and Zir-4Y/5Y groups, with 8 zirconia crowns in each group. An Er: YAG laser was used to remove the crowns. The average and maximum temperature increases at three points, the abutment region (∆T1, ∆T1
resultsAll 32 zirconia crowns were successfully removed using the Er: YAG laser. With the same abutment, the ∆T1
conclusionThe Er: YAG laser debonding method can be used to successfully remove cement-retained zirconia implant crowns, and the temperature increase and debonding time are affected by the type of zirconia crown but not the type of abutment.
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