To avoid malpositioning of the implant, initial osteotomy begins close to the palatal plate (Fig.3: P), while the axis of the osteotomy is parallel to and close to the buccal plate (>).  *: the incisal edge of the lower central incisor, which will be trimmed for better position of the upper implant-supported restoration.

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Xin Wei, DDS, PhD, MS 1st edition 05/23/2013, last revision 05/23/2014