This is somewhat embarrassing, isn’t it?
Speed D is a high-quality double-emulsion intraoral X-ray film of medium speed (ISO class D), high contrast and fine grain, providing high image quality and outstanding detail definition.
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Speed E is a high-quality double-emulsion intraoral X-ray film of high speed (ISO class E), high contrast and fine grain, providing high image quality and outstanding detail definition.
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Speed F is a high-quality double-emulsion intraoral X-ray film of high speed (ISO class F), high contrast and fine grain, providing high image quality and outstanding detail definition.
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