A comparative study of frictional forces between orthodontic brackets and arch wires
| Autor: | Bednar, James R., Gruendeman, Gary W., Sandrik, James L. |
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| Zdroj: | In American Journal of Orthodontics & Dentofacial Orthopedics 1991 100(6):513-522 |
| Databáze: | ScienceDirect |
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