To identify the presence of a cavity using a DIAGNOdent pen that employs ultraviolet (UV) light, we need to consider the spectrum of light that can effectively illuminate dental materials and target carious tissue.

1. **Ultraviolet Spectrum**: The ultraviolet spectrum is divided into different ranges:
- UVA (320-400 nm)
- UVB (280-320 nm)
- UVC (100-280 nm)

2. **Detection of Cavities**: Cavities can be identified because they will fluoresce or react differently under UV light compared to healthy tooth structure.

3. **Specific Wavelength**: Research suggests that UV light, particularly in the range of **UVA (365 nm)**, is most effective for detecting dental caries due to the fluorescence properties of dental tissues and the biochemical changes that occur in carious lesions.

### Final Answer
The UVA spectrum, specifically around **365 nm**, would reveal the presence of a cavity to the dentist when using the DIAGNOdent pen.

Question

To identify the presence of a cavity using a DIAGNOdent pen that employs ultraviolet (UV) light, we need to consider the spectrum of light that can effectively illuminate dental materials and target carious tissue.

1. **Ultraviolet Spectrum**: The ultraviolet spectrum is divided into different ranges: 
   - UVA (320-400 nm)
   - UVB (280-320 nm)
   - UVC (100-280 nm)

2. **Detection of Cavities**: Cavities can be identified because they will fluoresce or react differently under UV light compared to healthy tooth structure.

3. **Specific Wavelength**: Research suggests that UV light, particularly in the range of **UVA (365 nm)**, is most effective for detecting dental caries due to the fluorescence properties of dental tissues and the biochemical changes that occur in carious lesions.

### Final Answer
The UVA spectrum, specifically around **365 nm**, would reveal the presence of a cavity to the dentist when using the DIAGNOdent pen.

Knowee AI · Accepted Answer

To identify the presence of a cavity using a DIAGNOdent pen that employs ultraviolet (UV) light, we need to consider the spectrum of light that can effectively illuminate dental materials and target carious tissue.

1. **Ultraviolet Spectrum**: The ultraviolet spectrum is divided into different ranges: 
   - UVA (320-400 nm)
   - UVB (280-320 nm)
   - UVC (100-280 nm)

2. **Detection of Cavities**: Cavities can be identified because they will fluoresce or react differently under UV light compared to healthy tooth structure.

3. **Specific Wavelength**: Research suggests that UV light, particularly in the range of **UVA (365 nm)**, is most effective for detecting dental caries due to the fluorescence properties of dental tissues and the biochemical changes that occur in carious lesions.

### Final Answer
The UVA spectrum, specifically around **365 nm**, would reveal the presence of a cavity to the dentist when using the DIAGNOdent pen.

The DIAGNOdent pen in the image above uses ultraviolet light. Which spectrum would reveal to the dentist the presence of a cavity?

Question

The DIAGNOdent pen in the image above uses ultraviolet light. Which spectrum would reveal to the dentist the presence of a cavity?

Solution

Final Answer

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