Fractures between the teeth and gums are likely to be caused by the presence of calculus between them in the first place. In this case, you can first remove the calculus, and then carry out a local rinsing and medication, routinely alternating between hydrogen peroxide and saline to remove plaque and residual food debris between the gums and teeth, and then carry out a topical medication. You can apply iodized glycerin, or you can use minocycline hydrochloride, or you can also carry out the application of iodophor and other medications, which can serve as a disinfectant. In addition, you can also use compound chlorhexidine gargle for gargling, which can promote the inhibition of oral flora, and can promote the teeth and gums to fit each other. And it is recommended that regular scaling and oral hygiene checks, weekdays, daily attention to the control of self plaque, you can brush your own teeth, but also flossing, the use of intermittent brushes.