Defect morphology dictates success: suprabony lesions outperform intrabony defects in non-surgical periodontal therapy: a 3-month prospective observational study.

However, due to the relatively low prevalence of current smokers and the uneven distribution across defect‐type subgroups, the variable did not reach statistical significance and did not alter the effect estimates of the primary predictors (defect type and baseline PPD).

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