title: Surface alteration of composite resins after curette, ultrasonic, and sonic instrumentation: an in vitro study.
authors: Medical University of South Carolina, Mount Pleasant 29464.
authors: E J
authors: EJ
authors: Bjornson
authors: D E
authors: DE
authors: Collins
authors: W O
authors: WO
authors: Engler
mesh_terms: D003188:Composite Resins; D012534:Dental Scaling / Q000009:adverse effects / Q000295:instrumentation*; D008422:Materials Testing; D010316:Particle Size; D013499:Surface Properties; D014464:Ultrasonic Therapy / Q000009:adverse effects / Q000295:instrumentation
chemical_list: D003188:Composite Resins