The Efficacy of Strontium and Potassium Toothpastes in Treating Dentine Hypersensitivity: A Systematic Review

Table 1

Characteristics of Strontium-based toothpastes excluded studies (reasons).

No.	Study	Reason for exclusion
1	Addy et al. [15]	Different abrasive concentrations and compounds in the test and comparison toothpastes
2	Blitzer [16]	The selected participants had developed a general sensitivity during the course of periodontal treatment
3	Carrasco [17]	Study duration was only 20 days (~3 weeks)
4	Dabsie et al. [18]	In vitro study
5	Earl et al. [19]	In vitro study
6	Gedalia et al. [20]	In vitro study
7	Gedalia et al. [21]	The use of SrCl2 solution
8	Gillam et al. [22]	Study reported on the effect of SrCl2 toothpaste on plaque accumulation and gingival inflammation
9	Gillam et al. [23]	Study reported on the effect of different toothpaste abrasive DH
10	*Goldie [24]	Review (2011)
11	Gutentag [25]	In vitro study
12	Hughes et al. [26]	Different fluoride concentrations and compounds in the test and comparison toothpastes
13	*Jackson [7]	Review
14	*Kanapka [27]	Review
15	*Kishore et al. [28]	Not clear if the study was randomised
16	Kobler et al. [29]	SrCl2 solution (varnish) was used
17	*Markowitz [30]	Review
18	Mason et al. [31]	Different fluoride concentration in the test and comparison toothpastes
19	Parkinson et al. [32]	In vitro study
20	Pearce et al. [33]	Different fluoride concentrations and compounds in the test and comparison toothpastes
21	*Pol et al. [34]	Unobtainable article (review?)
22	Ross [35]	No control (placebo/active) group
23	Shapiro et al. [36]	Abstract only
24	Shapiro et al. [37]	The outcome measurements were not clear
25	Stazen and Forman [38]	In vitro study
26	Surdacka et al. [39]	In vitro study
27	*Tarbet et al. [40]	Study duration was only 4 weeks
28	Uchida et al. [41]	Study on the efficacy of SrCl2 in the management of DH following periodontal surgery
29	*West [42]	Different fluoride concentrations and compounds in the test and comparison toothpastes
30	West et al. [43]	Abstract
31	Collins and Perkins [44]	Different compounds in the test and comparison toothpastes. No strontium-free placebo
32	Kumar et al. [45]	Different compounds in the test and comparison toothpastes. No strontium-free placebo

∗Studies contain both Strontium and Potassium together.