1. C.P. Adams(1957 ) The Design and Construction of Removable Orthodontic Appliances , 2nd edn , p.12 . John Wright and Sons Ltd, Bristol.
2. T.M. Graber(1972 ) Orthodontics: Principles and Practice , 3rd edn , p.504 . W.B. Saunders Co., Philadelphia.
3. Forced Eruption: Part I. A Method of Treating Isolated One and Two Wall Infrabony Osseous Defects - Rationale and Case Report
4. Forced Eruption: Part II. A Method of Treating Nonrestorable Teeth—Periodontal and Restorative Considerations