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Fig. 1 | BMC Oral Health

Fig. 1

From: Comparison of dentoskeletal and soft tissue changes between tooth-borne and tooth-bone-borne hybrid nonsurgical rapid maxillary expansions in adults: a retrospective observational study

Fig. 1

Design of expanders used in this study. A Tooth-borne expander with an expansion screw connected with two premolar and two molar bands for dental anchorage. B Tooth-bone-borne hybrid expander with an expansion screw connected with two premolar and two molar bands for dental anchorage and four mini-implants in the palate for skeletal anchorage

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BMC Oral Health

ISSN: 1472-6831

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