Sonicare Electric Toothbrush FlexCare User Manual

Sonicare FlexCare /  
FlexCare+  
Plaque Removal  
in vivo study  
Comparison of plaque removal in  
orthodontic subjects by Sonicare FlexCare  
and a manual toothbrush  
DeLaurenti M, Putt M, Milleman J, Jenkins W,Wei J, Strate J. Plaque Removal by Sonicare and Manual  
Toothbrushes in Orthodontic Subjects. J Dent Res 87 (spec Iss B): 2044, 2008  
Objective  
To compare the plaque removal and gingivitis reduction ability for the Sonicare  
FlexCare (ProResults brush head) and Oral-B P-40® manual toothbrush in  
orthodontic population.  
Methodology  
Ninety-five healthy orthodontic subjects aged 12 years and older participated in a  
single-blind, randomized, parallel group clinical study assessing gingivitis and plaque  
over time for the Sonicare FlexCare and a manual toothbrush.All subjects were  
routine manual toothbrush users.AtVisit 1, subjects were screened for eligibility  
(Modified Bonded Bracket Index (BBI) >2.0; Pocket depth 4mm).AtVisit 2,  
subjects received a prophylaxis and were randomized to a treatment arm. Subjects  
were trained and given brushing instructions to use the assigned test device twice  
daily at home for two minutes. Subjects abstained from oral hygiene for 12-24 hours  
before each visit.At subsequent visits, safety and BBI were assessed before and after  
a two minute supervised brushing. Secondary efficacy measurements included  
Turesky-Modified Quigley-Hein Plaque Index (TPI) on tooth surfaces without  
brackets and a full-mouth Löe and Silness Gingival Index (LSGI).ANOVA was used  
for statistical analysis.  
Results  
The Sonicare FlexCare demonstrated superior plaque reduction in a single brushing  
on the buccal (bracketed) surfaces assessed by the Bonded Bracket Index compared  
to a manual toothbrush at the two-week and four-week evaluations (overall p<0.0001  
at two weeks, p<0.0001 at four weeks).  
The Sonicare FlexCare demonstrated significantly superior reduction in plaque over  
time (two and four weeks) on the lingual surfaces assessed by theTuresky-Modified  
Quigley-Hein Plaque Index compared to a manual toothbrush (overall p=0.0221 at  
two weeks and p=0.0025 at four weeks).  
The Sonicare FlexCare demonstrated significantly superior plaque reduction in a single  
brushing on the lingual surfaces assessed by theTuresky-Modified Quigley-Hein Plaque  
Index compared to a manual toothbrush at the two-week and four-week evaluations  
(overall p=0.0001 at two weeks, overall p<0.0001 at four weeks).  
The mean scoring Löe and Silness Gingival Index value was low (1.14, std 0.10)  
indicating that the population presented with healthy gingivae. Both groups, however,  
were able to demonstrate statistically significant improvement vs. baseline over time  
(overall p<0.0001).  
 
Sonicare FlexCare /  
FlexCare+  
Percent ReductionTuresky Plaque Index Single  
Brushing Lingual Surfaces at 2 Weeks  
50%  
45%  
40%  
35%  
30%  
25%  
20%  
15%  
10%  
5%  
31%  
29%  
% of Plaque  
Reduction  
23%  
19%  
Sonicare FlexCare  
ManualToothbrush  
15%  
14%  
0%  
Overall  
Posterior  
Interproximal  
Percent ReductionTuresky Plaque Index Single  
Brushing Lingual Surfaces at 4 Weeks  
45%  
40%  
35%  
30%  
25%  
20%  
15%  
10%  
5%  
32%  
29%  
% of Plaque  
Reduction  
24%  
18%  
Sonicare FlexCare  
ManualToothbrush  
14%  
13%  
0%  
Overall  
Posterior  
Interproximal  
Reduction in MeanTuresky Plaque Index OverTime  
4
3.5  
3
3.41  
3.44  
3.22  
3.37  
2.96  
2.93  
2.5  
2
MeanTPI  
PlaqueValues  
Sonicare FlexCare  
ManualToothbrush  
1.5  
1
0.5  
0
Screening  
Week 2  
Week 4  
 

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