There is no bone loss 1 year 3 months post cementation (Fig.6).  Periapical radiolucency increases at #18 with symptom (*).  The pulpal chamber and coronal canal at #18 are filled with composite.    There is limited native bone for primary stability if an immediate implant is placed (red dashed line: the superior border of the Inferior Alveolar Canal).

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Xin Wei, DDS, PhD, MS 1st edition 10/29/2018, last revision 11/11/2018