| 摘要 |
<p>A method for applying and removing orthodontic brackets using an orthodontic bracket adhesive and an abrasive, without damage to tooth enamel, wherein the adhesive contains a non-toxic, inorganic filler which is insoluble in mouth fluids and has a Mohs hardness less than 4.5, and the abrasive is a non-toxic, inorganic material having a Mohs hardness greater than that of the adhesive filler but less than 5.</p> |
