pISSN 2234-7518
eISSN 2005-372X

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Fig. 1. A, Intraoral frontal view (before treatment) showing severe gingival recession on the buccal surface of the mandibular right central incisor (tooth #41). B, Occlusive view of the mandibular arch, with a fixed retainer bonded on the six mandibular anterior teeth.
Korean J Orthod 2021;51:293~300 https://doi.org/10.4041/kjod.2021.51.4.293
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