Conclusion Treating irreversible hydrocolloid impressions with 2% acid glutaraldehyde solution for 30 minutes did not cause statistically significant three-dimensional changes in the tested alginate impression materials. 结论2%酸性戊二醛浸泡消毒30分钟,对海藻酸盐印模的三维尺寸稳定性没有显著性影响。