This book describes, how "Caries Risk Assessment" is important for the patient? What are the factors involving in caries and how to assess that the patient is on High/low risk of caries.With the ability to detect caries in its earliest stages, health care providers can help prevent cavitation. Now a days more patients want to keep their own teeth longer and care about their oral health for this risk assessment is important, because "Precaution is better than Cure"