[Proteolytic phenomenon in enamel caries]

Area of Science:

• Biochemistry
• Dental Research
• Microbiology

Background:

• Gottlieb's proteolytic theory suggests enzymes contribute to enamel caries.
• Investigating the role of proteolytic enzymes in dental demineralization is crucial.
• Understanding enamel caries mechanisms requires examining enzymatic activity.

Purpose of the Study:

• To evaluate the effect of proteolytic enzymes (papain, trypsin, collagenase) on artificial enamel caries.
• To determine if these enzymes influence the demineralization of human enamel.
• To test Gottlieb's proteolytic theory concerning enamel caries.

Main Methods:

• In vitro and in vivo experiments using three proteolytic enzymes on human enamel.
• Artificial caries development and demineralization were assessed.
• Analysis of calcium content in demineralizing solutions and enamel powder treatments.

Main Results:

• Enzyme treatment did not increase the depth of artificial enamel caries.
• No significant increase in calcium content was observed in demineralizing solutions.
• Enamel powder treated with plaque fluid and demineralizing liquid showed no difference between groups.

Conclusions:

• The findings do not support Gottlieb's proteolytic theory for enamel caries.
• Proteolytic enzymes do not appear to play a significant role in enamel demineralization.
• Further research may be needed to fully elucidate enamel caries etiology.