2. Clean the blind hole: Before installing the special stay for the blind hole, make sure that the surface of the blind hole is clean and free of impurities. Clean the blind hole thoroughly with proper cleaning tools and solvents to ensure a good fit. 3. Installation of brace: Insert the brace for blind hole gently to ensure that the external thread of brace corresponds to the internal thread of blind hole. Then, use a wrench or torque wrench to rotate the brackets counterclockwise and slowly screw them into the blind holes until they reach the required depth.
The above steps are for reference only, and the specific operation may be different according to the actual situation. If more detailed information is needed, it is recommended to consult a professional dentist.