Diagnosis

Probing pressure, a highly undervalued unit of measure in periodontal probing: a systematic review on its effect on probing pocket depth, J Clin Periodontol. 2009 Apr;36(4):315-22.

Prevention

The efficacy of dental floss in addition to a toothbrush on plaque and parameters of gingival inflammation: a systematic review, Int J Dent Hyg. 2008 Nov;6(4):265-79.

Comprehensive Perio Therapy. A Statement of the American Academy of Periodontology.

Efficacy of Lasers. The Fire Within-The link between oral inflammation & systemic health has signaled a paradigm shift in treating the periodontal patient.

Collaboration with Periodontists. Journal of Periodontology April 2011, Volume 82, Number 4

Non-surgical treatment

How effective is surgical therapy compared with nonsurgical debridement? Periodontol 2000. 2005;37:72-87.

Surgery

Root coverage procedures for the treatment of localised recession-type defects, Cochrane Database Syst Rev. 2009 April 15;(2):CD007161.