Biomedical Engineering Reference
In-Depth Information
(A)
(B)
(C)
FIGURE 7.19
Different nanoleakage patterns as shown by TEM images. (A) An example of two-step self-etch adhesives
(Clearfil SE Bond) in which a thin basal zone of fine, reticular silver deposits (pointer) was occasionally
observed beneath the hybrid layer (between open arrows). C, composite; A, filled adhesive; arrow, smear
plug; D, mineralized dentin. (B) Adper Prompt and (C) AdheSE. Examples of one-step and two-step self-etch
adhesives in which a basal zone of fine, reticular silver deposits was not observed beneath the hybrid layer,
despite the presence of nanoleakage within the completely demineralized hybrid layer (between open arrows).
In Adper Prompt, silver impregnation (pointers) was also observed to extend within the adhesive layer
beneath the composite (C).
