The Smiles for Life (SFL) Oral Health App is a reference tool for oral conditions designed to assist primary care providers in formulating diagnoses in real-time. Clinicians select an algorithm based on the presenting concern of the patient or physical exam finding, and the decision tool presents a series of questions to help formulate a diagnosis, triage, and treatment plan. Practical advice will aid clinicians in providing the best care for their patients. An extensive photo gallery of tooth and oral soft tissue findings is also included.