To assess the beneficial and adverse effects on the dental and periodontal issues of periodontal–orthodontic treatment of teeth with pathological tooth flaring, drifting, and elongation in patients with severe periodontitis.

中文翻译：

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牙周正畸治疗对严重牙周炎患者病理性牙齿张开、漂移和伸长的影响：荟萃分析的系统评价

评估重度牙周炎患者牙周-正畸治疗伴有病理性牙齿张开、漂移和伸长的牙齿对牙齿和牙周问题的有益和不利影响。