Objective:The purpose of this study was to evaluate the application result of self-drilling miniscrew implant anchorage in orthodontic patient who involved in molar extraction and retention.

Conclusion:Self-tapping screw-type micro-implant could provide good control in the orthodontics treatment.

Comparative study of microscrew implant for orthodontic anchorage and traditional anchorage in patients with maxillary protrusion;

Microscrew implants were inserted into the bilateral buccal alveolar bone between maxillary second premolar and first molar before bording straight wire appliance.

Objective To study the clinical effectiveness of implanting miniscrew serving as anchorage instead of molars in treating maxillary dental arch crowding and protrusive patients mandibular molars complete missing.