United States Public Health ServiceUnited States Dept. of Health and Human ServicesPediatric DentistryDental AuxiliariesDental Care for ChildrenOral HealthUnited StatesSmokingGeneral SurgeryOrthopedicsSpecialties, SurgicalThoracic SurgeryClinical CompetenceLearning CurvePostoperative ComplicationsTreatment OutcomeSurgical Procedures, OperativeSurgery, PlasticLaparoscopySurgery, Oral