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 Indian J Med Microbiol  
 

Figure 7: Microstructure of the weld joint of timolium archwire after immersion in 1.23% acidulated phosphate fluoride at 37°C for 90 min (pH = 5-6), at 2 different magnifications under the optical microscope

Figure 7: Microstructure of the weld joint of timolium archwire after immersion in 1.23% acidulated phosphate fluoride at 37°C for 90 min (pH = 5-6), at 2 different magnifications under the optical microscope