If the beach is busy, you might have more luck looking right where the waves are crashing into the shoreline so that you can snag teeth before others see them. [substeps] Every now and then, dig up some of the sand along the tide line and/or shoreline and search through it for teeth.
[header] How to identify shark teeth [title] Search for teeth at the tide line and the shoreline. [step] Go to the beach at low tide and look for the line of debris in the sand. Walk slowly along this tide line as you keep your eyes peeled for teeth.