PROBLEM TO BE SOLVED: To provide a method for attaching a transparent biocompatible ceramic sheet to tooth.SOLUTION: There is provided a method for adhering a biocompatible sheet to tooth including (a) a process for adhering the biocompatible sheet to tooth and (b) a process for applying an attachment liquid to the biocompatible sheet or the tooth, in which the attachment liquid is a calcium phosphate solution which contains calcium phosphate of 0.1 w/v% or more and has pH of more than 1 and less than 4. There is provided a method including a process for covering the biocompatible sheet with a protective sheet for oral cavity before or after both processes of (a) and (b).SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】透明生体親和性セラミックスシートを歯に貼付する方法をの提供。【解決手段】(a)歯に生体親和性シートを付着させる工程(b)生体親和性シート又は歯に、貼付液を適用する工程を含み、当該貼付液が、リン酸カルシウムを0.1w/v%以上含み、且つpHが1より大きく4未満である、リン酸カルシウム水溶液である、生体親和性シートを歯に接着する方法。更に生体親和性シートを口腔内用保護シートで覆う工程を(a)及(b)の両工程の前又は後に含む方法。【選択図】なし