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Distribution of treatment modalities in CMS and KLG. As CMS aggravated, there was an increasing trend in pharmacologic and non-pharmacologic treatments (A), whereas there was no significant pattern in KLG (B). There were no significant diferences in the proportions of different CMS across surgical treatments (C). KLG III has more restorative treatment while KLG IV has more reconstructive treatment (D). E, F is the percentage of CMS and KLG across treatment modalities
