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[Effect of cold-light bleaching technique on human permanent teeth enamel surface]
Jian-wen Huang1, Xin-chang Shi, Jing-lin Zhou
1State Key Laboratory of Oral Diseases, Sichuan Sichuan University, Chengdu 610041, China.
Summary
Cold-light bleaching affects dental enamel by altering crystal structure and surface microstructure. This technique can decrease crystal size and crystallinity, leading to surface irregularities in the enamel.
Area of Science:
- Dental materials science
- Biomaterials engineering
- Crystallography
Context:
- Dental bleaching is a common cosmetic procedure.
- Understanding the effects of bleaching agents on tooth structure is crucial for safety and efficacy.
- Cold-light bleaching is a widely used technique in dental practices.
Purpose:
- To investigate the impact of cold-light bleaching on the crystalline structure and microstructure of human dental enamel.
- To analyze changes in enamel crystals and surface morphology after cold-light bleaching treatment.
Summary:
- Human premolars underwent standard cold-light bleaching.
- Post-treatment analysis using X-ray diffractometry, FTIR spectroscopy, and scanning electron microscopy revealed significant changes.
- Enamel samples exhibited decreased crystal dimension and crystallinity, with the formation of irregular surfaces and shallow pits.
Impact:
- The findings highlight that cold-light bleaching can alter the surface layer of dental enamel.
- This research contributes to understanding the potential structural modifications induced by cosmetic dental procedures.
- Awareness of these changes is important for dental professionals and patients regarding enamel integrity.
