OraRisk® Caries: Identifying Bacteria for Risk Assessment

Dental caries is defined as the progressive destruction of a tooth and is considered a major health issue in both adolescents and adults, in which reportedly 90% of the population is affected(1). Cavities are formed when acid erodes the hard tissues of the teeth (enamel, dentin and cementum). Acid is produced in the mouth when certain bacteria, such as Streptococcus mutans, ferment sugars into acid. For decades, S. mutans was believed to be the main bacteria involved in caries initiation ...
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Definitions By Matt: What is PCR?

Our readers have expressed curiosity about the technology of a clinical laboratory. “Definitions by Matt” will be a continuing series to highlight your questions and provide insight into the clinical laboratory processes and terminologies. “What is PCR (polymerase chain reaction)?” DNA, or deoxyribonucleic acid, is present in every living cell from Humans to plants to bacteria and is used to store information. DNA is found in long chains of building blocks, called bases. Cells contain ...
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