The May issue of the Cochrane library sees another 3 dental protocols published:-

Brocklehurst P, Tickle M, Birch S, Glenny AM, Mertz E, Grytten J. The effect of different methods of remuneration on the behaviour of primary care dentists (Protocol). Cochrane Database of Systematic Reviews 2012, Issue 5. Art. No.: CD009853. DOI: 10.1002/14651858.CD009853.

This review  will  evaluate the effects of different methods of remuneration on the professional behaviour of primary care dentists and associated patient outcomes.

Poklepovic T, Sambunjak D, Johnson TM, Imai P, Tugwell P, Nickerson JW, Clarkson JE, Worthington HV. Interdental brushing for the management of periodontal diseases and dental caries in adults (Protocol). Cochrane Database of Systematic Reviews 2012, Issue 5. Art. No.: CD009857. DOI: 10.1002/14651858.CD009857.

This review will evaluate the effectiveness of interdental brushing in addition to toothbrushing, as compared with toothbrushing alone or toothbrushing and flossing for the management (prevention) of periodontal diseases and dental caries. The review will also assess the safety of interdental brushing procedures, in terms of potential harms and adverse effects, balancing important benefits against important harms.

de Silva-Sanigorski A, Prosser L, Hegde S, Gussy MG, Calache H, Boak R, Nasser M, Carpenter L, Barrow S. Community-based, population level interventions for promoting child oral health (Protocol). Cochrane Database of Systematic Reviews 2012, Issue 5. Art. No.: CD009837. DOI: 10.1002/14651858.CD009837.

The aim of this review is to determine the effectiveness of community-based population-level oral health promotion interventions to prevent dental caries and periodontal disease in children.