Objective Measurement of Tooth Color Using Spectrophotometry and ICDAS: Quantifying CIELAB Color Changes Across Caries Severity
Farah Rashid, James Dudley · 2026
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Description
Rashid and Dudley ran a lab study of tooth color in twenty twenty-six. They tracked color across stages of tooth decay. Dentists grade decay by eye with the ICDAS system. That grading rests on human judgment. A spectrophotometer reads color by machine, in set coordinates. The team sorted three hundred pulled back teeth, sound to mid decay. Each tooth was read at five set sites under fixed light. Color gaps were worked out against the sound group.
Color values differed across all decay stages. Teeth grew darker as decay worsened, with more red and yellow. From mid stages on, gaps passed what eyes can see and accept. The trend rose steadily with each worse stage. The team says color values can back up grading by eye. Such values gauge enamel change and aid early spotting research.
Catalog record
| CREATOR | Farah Rashid, James Dudley |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 53 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |