Polishing system

Bacterial adhesion to restorative material (CFU ×10³/mL)

Filtek Z350 XT

Filtek Bulk Fill

Tetric N Ceram

Mylar strip

156.40 ± 6.50^a

158.40 ± 6.50^a

159.40 ± 6.50^a

Pogo one step

199.40 ± 5.31^b

201.40 ± 5.31^b

202.40 ± 5.31^b

Sof-lex multi-step

226.50 ± 4.00^c

228.50 ± 4.00^c

229.50 ± 4.00^c