Comparing the Effectiveness of Different Dentinal Desensitizing Agents: In Vitro Study

Figure 4

SEM images (7500x) and EDX analysis of the dentine disc following the application of desensitizing agent. (a1) The etched dentine disc treated with Mp-Mh oxalate exhibited dense snowflake-like calcium oxalate crystals occluding dentine tubules whilst few tubules appeared patent. (a2) EDX analysis revealed high peaks of Ca and K. (b1) The application of RMGI XT VAR exhibits crystals like a cobblestone pattern masking the entire dentine surface. (b2) EDX analysis revealed a high level of Ca, Al, and Si with a low level of Na and P. (c1) LIQ SiO₂ exhibit occlusion of dentine tubules by amorphous deposits with few vacant tubules. (c2) EDX analysis revealed a high peak of Ca, P, and F with a moderate level of Si.

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(b)

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