Abstract
For treatment of two cases of ectopic eruption of the mandibular right second molar and malposition of the mandibular left first bicuspid, we conducted MTM using a lingual arch, sectional wire and crimpable hook. The results showed the effectiveness of this as described below.
1. The treatment is a simple procedure involving the fitting of the lingual arch, then attaching a buccal tube or bracket to the tooth to be moved, and finally attaching the crimpable hook to the sectional wire.
2. Because the technique is simple, the procedure can be completed in a short time.
3. By attaching the crimpable hook, activation of the wire is easily done even at sites at the back of the dental arch where it is difficult to operate, such as between the mandibular first and second molars.
4. The period of treatment is comparatively short at 1 to 3 months.
5. The affected infants did not feel pain or discomfort during treatment.
6. Retrogression was not observed in either case.
This method is technically simple, places little burden on either the patient or the practirioner, and seems to be an extremely effective method with good outcome.
