ONJ has not been linked with the routine use of bisphosphonates taken by mouth as treatment for osteoporosis. Thus, people should still use oral bisphosphonates as prescribed. However, when possible, any necessary oral surgery should be done before use of bisphosphonates is begun.
Remove nozzle tips and screens, and clean them using a cleaning solution. Use a brush with plastic bristles to clean the nozzle tips. Rinse the cleaning solution off all parts with clean water. Many nozzle manufacturers have brushes designed specifically for cleaning out nozzles.
-- Willie, Washington If You Choose Not To Decide, You Still Have Made a Choice - Rush. I frequently use 3M spray adhesive and the nozzles get clogged. Turning them upside down to spray wastes a lot of adhesive. I clean the nozzles off as good as I can but when they good really bad I replace them. I found someone on ebay that sells replacement nozzles and it has been well worth it.