An adjustable orthodontic bracket-positioning device includes an adjustable bracket-positioning jig, a positioning vernier and a dental crown vernier. First, using the crown vernier to measure the crown height value of patients tooth, then labeling the measured center height value of clinical dental crown on the positioning vernier, correctly position the adjustable bracket-positioning jig in the groove shaped base of the positioning vernier, and finally use the adjustable bracket-positioning jig to bond MBT bracket.
