Gentleness

Transcription

Gentleness
The Science Behind Sonicare
oothbrush
Notes from Dr. Joerg Strate
Vice President, Philips Oral Healthcare,
Clinical & Scientific Affairs
Philips Sonicare has redefined personal oral hygiene once again
When we decide to launch a new edition of the clinical proof brochure, the document in your
hands, you know we must have a significant reason to do so. Launching two new products and
introducing breakthrough technology that’s likely to change our perspective on interdental
cleaning are indeed significant accomplishments.
The clinical and scientific research por tfolio summarized in this document provides objective
and relevant information about our products, and insights into the way we work. Our
clinical credibility and commitment to providing patients and dental professionals with the
most advanced solutions for home oral healthcare have resulted in global recognition and
professional recommendation of Philips Sonicare products. True innovation at Philips Sonicare
follows a simple paradigm that integrates the latest scientific knowledge with an in-depth
understanding of today’s oral healthcare needs. Adhering to these principles frequently results
in solutions and technologies that are ahead of their time, and subsequently lead the industry.
The original Sonicare technology was exactly that type of industry-leading innovation — it
defined a new standard for power toothbrushes. Recently, Sonicare For Kids established a
unique solution for the specific oral healthcare needs of children. Now the new Sonicare
DiamondClean takes our ambition to the next level with the best clinical performance of any
Sonicare to date, thanks to its unique brush head and ergonomic handle design.
The requirements for our latest innovation, the entirely new Philips Sonicare AirFloss, could
not be matched by existing concepts — we had to invent them. The result is a unique device
that impresses equally with its convenience of use and its clinical efficacy, which could not
exist without the unprecedented AirFloss microburst technology invented by Philips engineers.
When you read the following pages, I hope you will agree with me that Sonicare
DiamondClean and AirFloss represent a significant next step toward even better, more
intuitive solutions for daily oral hygiene — exactly what Philips Sonicare is all about.
Sonicare DiamondClean
Gentleness
in vitro study*
In vitro assessment of dentin wear resulting
from the use of the Philips Sonicare
DiamondClean power toothbrush
Moore M, Putt M, Jain V, de Jager M. Data on file, 2010
Objective
To evaluate dentin wear associated with the use of Philips Sonicare DiamondClean
standard and compact brush heads compared to a manual toothbrush using
simulated clinical conditions.
Methodology
Twenty-four human dentin slices with a surface of 3x10 mm were embedded in
temporary crown and bridge material and polished to render a smooth surface
as starting condition. Samples were brushed either with Sonicare DiamondClean
standard and compact brush heads using externally powered Sonicare handles at
100 grams or with an ADA reference manual toothbrush at 250 grams brushing
load. These brushing loads represent clinical use conditions. All specimens were
brushed using toothpaste slurry for a period representing six months (3,000
strokes) of clinical brushing. Dentin wear was determined before and after
brushing using surface profilometry to establish the mean depth of induced
surface wear from toothbrushing.
Results
Both Sonicare DiamondClean standard and compact brush heads resulted in
significantly less dentin abrasion than the manual toothbrush (p<0.05). There was
no significant difference between Sonicare DiamondClean standard and compact
brush heads.
Conclusion
In this in vitro study, the Sonicare DiamondClean standard and compact brush heads
were found to cause about 50% less dentin wear than a manual toothbrush.
Dentin Wear
60
55
50
Sonicare DiamondClean
Compact
40
Wear
(µm)
30
28
Manual Toothbrush
27
20
10
0
Sonicare
DiamondClean
Standard
Sonicare
DiamondClean
Compact
Treatment
*Results will var y with actual use
52
Sonicare DiamondClean
Standard
Manual
Toothbrush
Sonicare Sensitive
Brush Head
Gentleness
in vitro study*
In vitro assessments of dentin wear
resulting from the use of the Sonicare
sensitive brush head
Hix J, de Jager M, Contracted Dental Research Laboratory. Data on file, 2011
Objective
To evaluate dentin wear associated with the use of Sonicare sensitive and
ProResults brush heads compared to a manual toothbrush using simulated
clinical conditions.
Methodology
Twenty-four human dentin slices with a surface of 3x10 mm were embedded in
temporary crown and bridge material and polished to render a smooth surface
as starting condition. Samples were brushed with a sensitive or a ProResults
brush head using externally powered Sonicare handles at 100 grams or brushed
with an ADA reference manual toothbrush at 250 grams brushing load. (These
brushing loads represent clinical use conditions.) All specimens were brushed
using toothpaste slurry for a period representing six months (3,000 strokes) of
clinical brushing. Dentin wear was determined before and after brushing using
surface profilometry to establish the mean depth of induced surface wear from
toothbrushing.
Results
The sensitive brush head resulted in significantly less dentin abrasion than the
manual toothbrush (p<0.05).
Conclusion
In this in vitro study, the sensitive brush head was found to cause about 56%
less dentin abrasion than a manual toothbrush.
Dentin Wear
50
44
40
Wear
(µm)
30
ProResults Standard
Sensitive Standard
27
Manual Toothbrush
25
20
10
0
Sensitive
Standard
ProResults
Standard
Manual
Toothbrush
Treatment
*Results will var y with actual use
53
Sonicare FlexCare /
FlexCare+
Gentleness
in vitro study*
In vitro effect of power toothbrushes on
or thodontic bracket bond strength
de Jager M, Nelson R, Schmitt P, Moore M, Putt M, Kunzelmann KH, Nyama I, Garcia-Godoy F,
Garcia-Godoy C. In vitro assessment of toothbrushing wear on natural and restorative materials.
Compend Contin Educ Dent. 2007; 28 (suppl 1):42-50)
Objective
To evaluate the effect of two new power toothbrushes and a manual toothbrush
on the bond strength of orthodontic brackets bonded to human enamel using
simulated clinical conditions.
Methodology
Orthodontic brackets were bonded to 36 extracted teeth and exposed to Sonicare
FlexCare power toothbrush or Oral-B P-35 Soft® manual toothbrush for the
equivalent of a two-year exposure to brushing in the presence of a toothpaste
slurry. After brushing, the force needed to debond the orthodontic brackets from
the teeth was measured.
Results
There were no statistically significant differences in bracket debonding strength
between any of the treatments (p>0.05).
Conclusion
This study demonstrated that the Sonicare FlexCare is safe to use for patients with
orthodontic brackets compared to a manual toothbrush.
Bracket Debonding Force
98
100
78
Manual Toothbrush
75
Force
(N)
50
25
0
(p>0.05)
Treatment
*Results will var y with actual use
54
Sonicare FlexCare
Sonicare FlexCare /
FlexCare+
Gentleness
in vitro study*
In vitro assessment of dentin wear resulting
from the use of oral hygiene devices
de Jager M, Nelson R, Schmitt P, Moore M, Putt M, Kunzelmann KH, Nyama I, Garcia-Godoy F,
Garcia-Godoy C. In vitro assessment of toothbrushing wear on natural and restorative materials.
Compend Contin Educ Dent. 2007; 28 (suppl 1):42-50)
Objective
To evaluate dentin wear associated with the use of the Sonicare FlexCare power
toothbrush compared to Oral-B Triumph® and a manual toothbrush using simulated
clinical conditions.
Methodology
Forty human dentin slices with a surface of 3x10 mm were embedded in temporary
crown and bridge material and polished to render a smooth surface as starting
condition. Samples were either brushed with Sonicare FlexCare at 90 grams,
Oral-B Triumph at 150 grams or Oral-B P-35 Soft® manual toothbrush at 250
grams. These brushing loads are representing clinical use conditions. All specimens
were brushed using a toothpaste slurry based on Crest Cool Mint Gel for a period
representing two years of clinical brushing. Dentin wear was determined before and
after brushing using 3D laser triangulation measurements to establish induced wear
from toothbrushing.
Results
Sonicare FlexCare resulted in significantly less dentin wear than both the manual
toothbrush (p<0.05) and the Oral-B Triumph (p<0.05). There was no significant
difference between the manual and Oral-B Triumph brush.
Conclusion
In this in vitro study, Sonicare FlexCare was found to cause 50% less dentin wear
than a manual toothbrush and a rotating-oscillating power toothbrush.
Dentin Wear
100
81
80
Wear
(µm)
Sonicare FlexCare
77
Manual Toothbrush
60
40
Oral-B Triumph®
38
20
0
Sonicare FlexCare
90g
Oral-B Triumph
150g
Manual
250g
Treatment (brush and brushing load)
*Results will var y with actual use
55
Sonicare FlexCare /
FlexCare+
Gentleness
in vitro study*
In vitro assessment of the effect of a manual
and Sonicare FlexCare toothbrush on gloss
and roughness of dental materials
de Jager M, Nelson R, Schmitt P, Moore M, Putt M, Kunzelmann KH, Nyama I, Garcia-Godoy F,
Garcia-Godoy C. In vitro assessment of toothbrushing wear on natural and restorative materials.
Compend Contin Educ Dent. 2007; 28 (suppl 1):42-50)
Objective
To evaluate the effect on wear of dental materials of the Sonicare FlexCare power
toothbrush and a manual toothbrush using simulated clinical conditions.
Methodology
Four different materials were investigated: the restorative composite materials
Solidex and EsthetX, the implant material Titanium, and natural bovine enamel.
For each material, 32 samples were embedded in acrylic mounts and polished to
render a smooth surface as starting condition. Samples were either brushed with
Sonicare FlexCare at 100 and 150 grams, or Oral-B P-35 Soft® manual toothbrush
at 150 grams and 250 grams brushing load. All specimens were assessed after 3,000
and 12,000 brushing strokes, representing six months and two years of brushing,
respectively, while using a toothpaste slurry based on Crest® Cool Mint Gel. Surface
wear was determined before and after brushing using gloss meter and profilometry.
Results
In general, when differences were noted, they favored the Sonicare FlexCare over
the manual toothbrush at clinically observed brushing forces (100 and 250 grams,
respectively). For abrasion of Solidex, Sonicare FlexCare at 100 and 150 grams,
and the manual brush at 150 grams all showed significantly less abrasion than the
manual brush at 250 grams. For gloss of Solidex, Sonicare FlexCare at 100 grams,
and the manual brush at 150 grams both retained significantly more gloss than the
manual brush at 250 grams. For EsthetX and Titanium, no significant differences were
observed. For gloss of bovine enamel, FlexCare at 100 grams retained significantly
more gloss than the manual brush at 250g.
Conclusion
This study demonstrated that the Sonicare FlexCare is gentle for use on dental
materials compared to a manual toothbrush for up to two years of simulated
brushing with toothpaste.
*Results will var y with actual use
56
Sonicare FlexCare /
FlexCare+
Solidex
EsthetX
Enamel
Titanium
0.7
Ra
(mm)
Sonicare FlexCare – 100 g
0.6
0.5
Manual Toothbrush – 250 g
0.4
0.3
0.2
3000
12000
Baseline
3000
12000
Baseline
3000
12000
Baseline
3000
12000
Baseline
0.1
0
Material and number of strokes
Solidex
EsthetX
Enamel
120
Sonicare FlexCare – 100 g
100
Manual Toothbrush – 250 g
80
60
40
20
12000
3000
Baseline
12000
3000
Baseline
12000
3000
0
Baseline
Gloss
(GU)
Material and number of strokes
57
Sonicare FlexCare+
Gentleness
in vivo study
Comparison of Sonicare FlexCare power
toothbrush and a manual toothbrush on
dentin hypersensitivity
Frederick C, DeLaurenti M, Olson M, Jinling W, Jenkins J, Strate J. Data on file, 2009
58
Objective
To investigate the effects of the Sonicare FlexCare power toothbrush and
Oral-B P-40® manual toothbrush on dentin sensitivity.
Methodology
Forty-five healthy subjects, aged 24-63 years were enrolled in an IRB-approved
randomized, parallel-design study to assess dentin sensitivity after four and eight
weeks of use with Sonicare FlexCare or Oral-B P-40 manual toothbrush. In order to
qualify for enrollment, subjects were required to have dentin sensitivity on the facial
surface of at least one tooth and up to two teeth in different quadrants at screening
and baseline on the same teeth. Sensitivity was assessed using evaporative and tactile
stimulation and defined as experiencing discomfort using a Visual Analogue Scale
(VAS) of 0–100 mm. Subjects returned to the research center at four and eight
weeks for repeat assessments on sensitive teeth. At two and six weeks, subjects were
contacted by phone for compliance checks and to answer study-related questions.
The primary endpoint was the reduction in dentin sensitivity following eight weeks
of product use.
Results
Forty-three subjects completed the study. The table provides a summary of the
Global, Evaporative and Tactile VAS sensitivity mean scores measured at each of the
three study examination visits. There was a statistically significant difference in the
longitudinal VAS assessments of sensitivity for FlexCare post four and eight weeks
of product use. Similar differences were observed for the manual toothbrush users
except the evaporative stimulus scores, which were not significantly different post
four weeks. Although no statistically significant difference was observed between
groups when sensitivity was assessed after tactile stimulation at either time point,
there was a statistically significant difference between FlexCare and a manual
toothbrush following four weeks (p=0.0578) and eight weeks (p=0.0379) of
product use after evaporative stimulation.
Conclusion
Philips Sonicare FlexCare showed significant reduction in pain associated with
dentin hypersensitivity compared to a manual toothbrush following eight weeks
of product use.
Sonicare FlexCare+
VAS Scores (Mean)
Examinations
Treatments
Global
Evaporative
Tactile
FlexCare
56.9
60.86
NA
Manual
56.41
57.82
NA
FlexCare
NA
60.24
53.57
Manual
NA
58.91
54.98
FlexCare
45.33
48.1
41.67
Manual
50.09
57.36
36.57
FlexCare
38.1
40.98
33.52
Manual
45.64
51.27
34.57
Screening
Baseline
4 Week
8 Week
Evaporative Stimulus
80
70
60
60.24
58.91
VAS Score
57.36
48.1
50
51.27
40.98
40
Sonicare FlexCare
30
Manual Toothbrush
20
10
0
Baseline
Post 4 Weeks
(p=0.0578)
Post 8 Weeks
(p=0.0379)
Global Assessment of Sensitivity
80
70
60
56.9
56.41
50
VAS Score
45.33
50.09
45.64
38.1
40
30
Sonicare FlexCare
Manual Toothbrush
20
10
0
Baseline
Post 4 Weeks
(p=0.0578)
Post 8 Weeks
(p=0.0379)
59
Sonicare Elite
Gentleness
in vivo study
Changes in localized gingival recession with
manual and power toothbrushes
McCracken GI, Heasman L, Stacey F, Swan M, Steen N, de Jager M, Heasman PA. The impact of powered
and manual toothbrushing on incipient gingival recession. J Clin Periodontol 2009; 36: 950–957. doi:
10.1111/j.1600-051X.2009.01472.x
60
Objective
To compare long-term clinical effects of using manual and power toothbrushes upon
sites of localized gingival recession.
Methodology
A longitudinal, single-blind, randomized, parallel group clinical trial was conducted
over 12 months to compare the effects of one manual toothbrush (Oral-B P-35®)
and one power toothbrush (Sonicare Elite) upon the progression of pre-existing
lesions of localized gingival recession. Full-mouth plaque index (PI), probing depths,
bleeding on probing were recorded at baseline and 12 months. Maximum height
of recession (h_max), width of keratinized gingivae, clinical attachment level,
probing depth, bleeding on probing and Turesky’s Quigley-Hein Plaque Index were
recorded for target sites of localized gingival recession at baseline, three, six, nine
and twelve months.
Results
Sixty patients were recruited and randomized to two groups with fifty-two (26
per group) attending the final visit at month 12. No differences at target sites were
detected for maximum height of recession, width of keratinized gingivae, clinical
attachment level, pocket depth, bleeding on probing or Turesky’s Quigley-Hein
Plaque Index. No differences were detected between groups for full-mouth plaque
index, pocket depth or bleeding on probing at baseline and month 12.
Conclusion
This study demonstrated that there was no deterioration or progression of
localized gingival recession in subjects using the Sonicare Elite power toothbrush
compared to a manual toothbrush over 12 months.
Sonicare Elite
2.5
Sonicare Elite
Manual Toothbrush
2
Error bars show 95.0%
CI of mean
h_max
1.5
1
0.5
0
1
2
3
4
5
6
Visit
Mean
Visit
1
2
3
4
5
6
Period
Screening
Baseline
Month 3
Month 6
Month 9
Month 12
Elite
1.91
1.89
1.75
1.7
1.76
1.73
Manual Toothbrush
1.83
1.85
1.83
1.89
1.79
1.82
Visit
1
2
3
4
5
6
Period
Screening
Baseline
Month 3
Month 6
Month 9
Month 12
Elite
0.88
0.894
0.836
0.749
0.881
0.89
Manual Toothbrush
0.802
0.784
0.813
0.705
0.78
0.741
Standard Deviation
61

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