ICDAS is a standardized system dentists use to describe tooth decay (dental caries) based on what they can see on the tooth surface. It helps record early changes in enamel as well as obvious cavities in a consistent way. ICDAS is commonly used in dental clinics, dental schools, research studies, and community screening programs. It supports clearer communication between clinicians and more consistent charting over time.

CRA is a term some dental teams use to refer to a tooth-colored resin-based composite used for restorations. It is commonly associated with bonded fillings and small repairs on enamel and dentin. CRA is typically placed directly in the mouth and hardened with a curing light. Meaning and exact product selection can vary by clinician and case.

caries risk assessment is a structured way to estimate how likely someone is to develop tooth decay (dental caries) in the near future. It combines clinical findings with lifestyle and medical factors that influence decay. Dentists use it in routine checkups, new patient exams, and treatment planning. It helps match prevention and monitoring to the person, rather than using a one-size approach.

recurrent caries is tooth decay that develops at the edge of an existing dental restoration, such as a filling or crown. It is commonly discussed when a restoration seems to be failing or when new decay is suspected around it. In everyday terms, it means “a new cavity forming next to an old filling.” Clinically, it is used as a diagnosis and as a reason to monitor, repair, or replace restorations.

secondary caries means tooth decay that develops next to or underneath an existing dental restoration, such as a filling, inlay, onlay, or crown margin. It is also called “recurrent caries,” although the terms are sometimes used with slightly different meanings by different clinicians. It commonly appears at the edges (margins) where a restoration meets natural tooth structure. Dentists use the term in charting, diagnosis, and treatment planning when evaluating existing dental work.

root caries is tooth decay that starts on the root surface rather than the enamel-covered crown. It most often develops near the gumline where the root becomes exposed by gum recession. Clinicians use the term to describe, diagnose, and track decay on cementum and dentin (the root’s outer and inner tooth tissues). It is commonly discussed in preventive dentistry, geriatric dentistry, and restorative care.

dentin caries is tooth decay that has progressed through enamel and into dentin. Dentin is the softer, more porous layer under enamel that connects to the tooth’s nerve (pulp). This term is commonly used in dental exams, X‑rays, and treatment planning notes. It helps describe lesion depth and guides how a cavity may be managed and restored.

enamel caries is tooth decay that is limited to the enamel, the tooth’s hard outer layer. It often appears as a “white spot” or subtle surface change before a visible cavity forms. Clinicians use the term when diagnosing early-stage decay and planning preventive or minimally invasive care. It is commonly discussed in routine checkups, caries risk assessments, and preventive dentistry.

incipient caries is the earliest clinically detectable stage of tooth decay. It typically appears as a “white spot” or subtle change in enamel before a hole (cavity) forms. The term is commonly used in dental exams, radiology reports, and treatment planning notes. It matters because early lesions may be managed in ways that aim to preserve tooth structure.

dental caries is tooth decay caused by acids produced by dental plaque (biofilm) acting on tooth structure. It can start as early mineral loss in enamel and may progress to a cavity (a hole) in the tooth. The term is commonly used in dental exams, radiology reports, and treatment planning. It is discussed in both patient education and clinical documentation because it is a leading reason for restorations.