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Evaluating the Effect of Tooth Cleaning Devices on Oral Health

Evaluating the Effect of a Novel Interproximal Cleaning Device on Oral Health

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01250769
Enrollment
170
Registered
2010-12-01
Start date
2010-04-30
Completion date
2010-06-30
Last updated
2012-09-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Dental Plaque

Keywords

dental, dentist, plaque, IP Cleaning

Brief summary

This is a study to evaluate the safety and the efficacy of tooth and interproximal cleaning modalities on oral health.

Interventions

DEVICEManual Toothbrush

A standard size manual toothbrush to clean visible tooth surfaces

DEVICEInterproximal Cleaning Device

An electronic device that combines water and air to clean between the teeth

Sponsors

Philips Oral Healthcare
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

* are in good/excellent health; * are 18 - 70 years old; * have a minimum of 20 natural teeth (excluding 3rd molars); * have sufficient test sites; * have ≥ 20 bleeding sites; * are willing to participate and available for participation.

Exclusion criteria

* have systemic diseases such as Down's syndrome, or known AIDS/HIV; * have insulin dependant Diabetes; * are pregnant or nursing by subject report; * have a cardiac pacemaker * are undergoing or require extensive dental or orthodontic treatment; * require antibiotic treatment for dental appointments; * have heavy deposits of calculus; * have severe gingivitis or periodontitis; * have extensive crown or bridge work and/or rampant decay; * currently use bleaching trays; * have any oral or extraoral piercing on lips or in mouth; * have a professional prophylaxis within 4 weeks of study; * participation in a prior study ≤ 20 days; * employed by a oral healthcare products company or research institution.

Design outcomes

Primary

MeasureTime frameDescription
Residual Protein Concentration14 daysResidual protein concentration of interproximal plaque samples

Secondary

MeasureTime frameDescription
Residual Protein Concentration28 daysResidual protein concentration of interproximal plaque samples
Modified Gingival Index14 daysGingival inflammation evaluation on an ordinal scale of 0 to 4 (0 is best ; 4 is worst)
Gingival Bleeding Index14 daysGingival bleeding evaluation using an ordinal scale of 0 to 3; (0 is best; 3 is worst)

Countries

United States

Participant flow

Participants by arm

ArmCount
Manual Toothbrush 1
Manual Toothbrush used for 1 minute twice a day.
11
Manual Toothbrush 2
Manual Toothbrush used for 2 minutes twice a day.
72
Manual Toothbrush + Interproximal Cleaning 1
Manual Toothbrush used twice a day for 2 minutes plus Interproximal Cleaning Device used once a day.
74
Manual Toothbrush + Interproximal Cleaning 2
Manual Toothbrush used twice a day for 2 minutes plus Interproximal Cleaning Device used twice a day.
11
Total168

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003
Overall StudyAdverse Event0010
Overall StudyWithdrawal by Subject0110

Baseline characteristics

CharacteristicManual Toothbrush 1Manual Toothbrush 2Manual Toothbrush + Interproximal Cleaning 1Manual Toothbrush + Interproximal Cleaning 2Total
Age Continuous38.5 years
STANDARD_DEVIATION 12.6
39.6 years
STANDARD_DEVIATION 11.6
39.6 years
STANDARD_DEVIATION 10.9
41.2 years
STANDARD_DEVIATION 12.8
39.6 years
STANDARD_DEVIATION 11.3
Sex: Female, Male
Female
8 Participants48 Participants48 Participants8 Participants112 Participants
Sex: Female, Male
Male
3 Participants24 Participants26 Participants3 Participants56 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —— / —
other
Total, other adverse events
0 / 110 / 730 / 751 / 11
serious
Total, serious adverse events
0 / 110 / 731 / 750 / 11

Outcome results

Primary

Residual Protein Concentration

Residual protein concentration of interproximal plaque samples

Time frame: 14 days

Population: Analysis of efficacy data was performed using a modified intent-to-treat population (MITT). The MITT Population included all randomized subjects with both a baseline and endpoint evaluation. Missing data were not imputed.

ArmMeasureValue (LEAST_SQUARES_MEAN)
Manual Toothbrush 1Residual Protein Concentration33.5 ug/mL
Manual Toothbrush 2Residual Protein Concentration28 ug/mL
Manual Toothbrush + Interproximal Cleaning 1Residual Protein Concentration20.4 ug/mL
Manual Toothbrush + Interproximal Cleaning 2Residual Protein Concentration20.2 ug/mL
Secondary

Gingival Bleeding Index

Gingival bleeding evaluation using an ordinal scale of 0 to 3; (0 is best; 3 is worst)

Time frame: 14 days

Population: Analysis of efficacy data was performed using a modified intent-to-treat population (MITT). The MITT Population included all randomized subjects with both a baseline and endpoint evaluation. Missing data were not imputed.

ArmMeasureValue (LEAST_SQUARES_MEAN)
Manual Toothbrush 1Gingival Bleeding Index0.36 units on a scale
Manual Toothbrush 2Gingival Bleeding Index0.26 units on a scale
Manual Toothbrush + Interproximal Cleaning 1Gingival Bleeding Index0.18 units on a scale
Manual Toothbrush + Interproximal Cleaning 2Gingival Bleeding Index0.19 units on a scale
Secondary

Gingival Bleeding Index

Gingival bleeding evaluation using a ordinal scale of 0 to 3; (0 is best; 3 is worst)

Time frame: 28 days

Population: Analysis of efficacy data was performed using a modified intent-to-treat population (MITT). The MITT Population included all randomized subjects with both a baseline and endpoint evaluation. Missing data were not imputed.

ArmMeasureValue (LEAST_SQUARES_MEAN)
Manual Toothbrush 1Gingival Bleeding Index0.3 units on a scale
Manual Toothbrush 2Gingival Bleeding Index0.26 units on a scale
Manual Toothbrush + Interproximal Cleaning 1Gingival Bleeding Index0.16 units on a scale
Manual Toothbrush + Interproximal Cleaning 2Gingival Bleeding Index0.2 units on a scale
Secondary

Modified Gingival Index

Gingival inflammation evaluation on an ordinal scale of 0 to 4 (0 is best ; 4 is worst)

Time frame: 14 days

Population: Analysis of efficacy data was performed using a modified intent-to-treat population (MITT). The MITT Population included all randomized subjects with both a baseline and endpoint evaluation. Missing data were not imputed.

ArmMeasureValue (LEAST_SQUARES_MEAN)
Manual Toothbrush 1Modified Gingival Index1.45 units on a scale
Manual Toothbrush 2Modified Gingival Index1.48 units on a scale
Manual Toothbrush + Interproximal Cleaning 1Modified Gingival Index1.26 units on a scale
Manual Toothbrush + Interproximal Cleaning 2Modified Gingival Index1.39 units on a scale
Secondary

Modified Gingival Index

Gingival inflammation evaluation on an ordinal scale of 0 to 4 (0 is best ; 4 is worst)

Time frame: 28 days

Population: Analysis of efficacy data was performed using a modified intent-to-treat population (MITT). The MITT Population included all randomized subjects with both a baseline and endpoint evaluation. Missing data were not imputed.

ArmMeasureValue (LEAST_SQUARES_MEAN)
Manual Toothbrush 1Modified Gingival Index1.35 units on a scale
Manual Toothbrush 2Modified Gingival Index1.44 units on a scale
Manual Toothbrush + Interproximal Cleaning 1Modified Gingival Index1.23 units on a scale
Manual Toothbrush + Interproximal Cleaning 2Modified Gingival Index1.41 units on a scale
Secondary

Residual Protein Concentration

Residual protein concentration of interproximal plaque samples

Time frame: 28 days

Population: Analysis of efficacy data was performed using a modified intent-to-treat population (MITT). The MITT Population included all randomized subjects with both a baseline and endpoint evaluation. Missing data were not imputed.

ArmMeasureValue (LEAST_SQUARES_MEAN)
Manual Toothbrush 1Residual Protein Concentration39.7 ug/mL
Manual Toothbrush 2Residual Protein Concentration36.2 ug/mL
Manual Toothbrush + Interproximal Cleaning 1Residual Protein Concentration33.6 ug/mL
Manual Toothbrush + Interproximal Cleaning 2Residual Protein Concentration33.9 ug/mL

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026