Methodology and models in erosion research: discussion and conclusions

Area of Science:

• Dental research
• Material science
• Biomaterials

Background:

• Erosion research requires careful selection of experimental conditions, study design, and measurement techniques.
• Both in vitro and in situ models are utilized to study dental erosion.
• Limitations exist for in vitro models in simulating intra-oral conditions.

Purpose of the Study:

• To summarize discussions from the 2010 Workshop on Methodology in Erosion Research.
• To provide guidance on developing and applying in vitro and in situ erosion models.
• To discuss the future prospects of clinical trials in erosion research.

Main Methods:

• Review of methodologies for in vitro erosion models, including simple screening and pH cycling models.
• Evaluation of in situ models for assessing erosive challenges under intra-oral conditions.
• Discussion of potential methodologies for future clinical trials in dental erosion.

Main Results:

• In vitro models are suitable for screening erosive potential and simulating some aspects of erosion.
• In situ models are effective for short-term testing of low-erosive or preventive products in intra-oral conditions.
• Clinical trials are proposed for longer-term evaluation of dental erosion.

Conclusions:

• Guidance is offered for the selection and application of various erosion research models.
• In situ models are currently preferred for short-term testing due to their ability to simulate intra-oral conditions.
• Clinical trials represent the future direction for long-term dental erosion assessment.