A 36-year-old man (ex-smoker) has advanced chronic periodontitis (Fig.1).  His chief complaint is "I cannot chew on the right side now because of pain (#3 abscess <) and the bottom front teeth are loose (#23-26)".

Note anterior deep bite and supraeruption of the upper incisors (touching the lower gingiva).

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Xin Wei, DDS, PhD, MS 1st edition 05/20/2017, last revision 05/20/2017