Trial Outcomes & Findings for Clinical Efficacy in Relieving Dentin Hypersensitivity of Nanohydroxyapatite-Containing Toothpastes and Cream (NCT NCT02918617)

NCT ID: NCT02918617

Last Updated: 2018-11-16

Results Overview

Patient's response to an air stimulus is recorded on a Visual Analog Scale of 0-100 with 0 representing no pain and 100 representing the worst possible pain.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

203 participants

Primary outcome timeframe

Baseline to 8 weeks

Results posted on

2018-11-16

Participant Flow

Participant milestones

Participant milestones
Measure
Control Toothpaste Containing Novamin® Technology
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste containing Novamin® technology
Control Toothpaste Containing 1500 Ppm Fluoride as MFP
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste containing 1500 ppm fluoride as MFP
Test Toothpaste With Nano-HAP (High Concentration)
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (high concentration)
Test Toothpaste With Nano-HAP (Low Concentration)
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (low concentration)
Test Toothpaste With Nano-HAP and Potassium Nitrate (KNO3)
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP and KNO3
Control Toothpaste Without Nano-HAP
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste without nano-HAP
Test Toothpaste With Nano-HAP (Medium Concentration)
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (medium concentration)
Test Cream With Nano-HAP (Higher Concentration)
Participants will be instructed to brush for 2 minutes morning and evening with a full ribbon of standard fluoride toothpaste. After the evening brushing, participants will then insert custom-made trays loaded with a full ribbon of cream. Participants will be instructed to remove the trays after 5 minutes and expectorate the cream. Participants will be instructed not to eat or drink until the next morning following cream use. Test cream with nano-HAP (higher concentration)
Control Cream Without Nano-HAP
Participants will be instructed to brush for 2 minutes morning and evening with a full ribbon of standard fluoride toothpaste. After the evening brushing, participants will then insert custom-made trays loaded with a full ribbon of cream. Participants will be instructed to remove the trays after 5 minutes and expectorate the cream. Participants will be instructed not to eat or drink until the next morning following cream use. Control cream without nano-HAP
Overall Study
STARTED
21
20
22
22
24
20
22
26
26
Overall Study
COMPLETED
20
20
19
22
24
20
22
25
26
Overall Study
NOT COMPLETED
1
0
3
0
0
0
0
1
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Clinical Efficacy in Relieving Dentin Hypersensitivity of Nanohydroxyapatite-Containing Toothpastes and Cream

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Control Toothpaste Containing Novamin® Technology
n=20 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste containing Novamin® technology
Control Toothpaste Containing 1500 Ppm Fluoride as MFP
n=20 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste containing 1500 ppm fluoride as MFP
Test Toothpaste With Nano-HAP (High Concentration)
n=19 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (high concentration)
Test Toothpaste With Nano-HAP (Low Concentration)
n=22 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (low concentration)
Test Toothpaste With Nano-HAP and Potassium Nitrate (KNO3)
n=24 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP and KNO3
Control Toothpaste Without Nano-HAP
n=20 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste without nano-HAP
Test Toothpaste With Nano-HAP (Medium Concentration)
n=22 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (medium concentration)
Test Cream With Nano-HAP (Higher Concentration)
n=25 Participants
Participants will be instructed to brush for 2 minutes morning and evening with a full ribbon of standard fluoride toothpaste. After the evening brushing, participants will then insert custom-made trays loaded with a full ribbon of cream. Participants will be instructed to remove the trays after 5 minutes and expectorate the cream. Participants will be instructed not to eat or drink until the next morning following cream use. Test cream with nano-HAP (higher concentration)
Control Cream Without Nano-HAP
n=26 Participants
Participants will be instructed to brush for 2 minutes morning and evening with a full ribbon of standard fluoride toothpaste. After the evening brushing, participants will then insert custom-made trays loaded with a full ribbon of cream. Participants will be instructed to remove the trays after 5 minutes and expectorate the cream. Participants will be instructed not to eat or drink until the next morning following cream use. Control cream without nano-HAP
Total
n=198 Participants
Total of all reporting groups
Age, Continuous
49.3 Years
STANDARD_DEVIATION 10.5 • n=5 Participants
45.85 Years
STANDARD_DEVIATION 15.76 • n=7 Participants
53.6 Years
STANDARD_DEVIATION 11.0 • n=5 Participants
52.8 Years
STANDARD_DEVIATION 11.2 • n=4 Participants
43.7 Years
STANDARD_DEVIATION 12.8 • n=21 Participants
45.35 Years
STANDARD_DEVIATION 11.37 • n=8 Participants
47.14 Years
STANDARD_DEVIATION 14.54 • n=8 Participants
41.4 Years
STANDARD_DEVIATION 14.14 • n=24 Participants
49.38 Years
STANDARD_DEVIATION 10.62 • n=42 Participants
47.61 Years
STANDARD_DEVIATION 12.44 • n=42 Participants
Sex: Female, Male
Female
15 Participants
n=5 Participants
14 Participants
n=7 Participants
18 Participants
n=5 Participants
16 Participants
n=4 Participants
18 Participants
n=21 Participants
13 Participants
n=8 Participants
17 Participants
n=8 Participants
19 Participants
n=24 Participants
22 Participants
n=42 Participants
152 Participants
n=42 Participants
Sex: Female, Male
Male
5 Participants
n=5 Participants
6 Participants
n=7 Participants
1 Participants
n=5 Participants
6 Participants
n=4 Participants
6 Participants
n=21 Participants
7 Participants
n=8 Participants
5 Participants
n=8 Participants
6 Participants
n=24 Participants
4 Participants
n=42 Participants
46 Participants
n=42 Participants
Race/Ethnicity, Customized
Race Ethnicity · Asian or Pacific Islander
3 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
1 Participants
n=4 Participants
0 Participants
n=21 Participants
2 Participants
n=8 Participants
4 Participants
n=8 Participants
1 Participants
n=24 Participants
3 Participants
n=42 Participants
14 Participants
n=42 Participants
Race/Ethnicity, Customized
Race Ethnicity · Black not Hispanic
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
2 Participants
n=4 Participants
0 Participants
n=21 Participants
2 Participants
n=8 Participants
1 Participants
n=8 Participants
4 Participants
n=24 Participants
4 Participants
n=42 Participants
15 Participants
n=42 Participants
Race/Ethnicity, Customized
Race Ethnicity · Hispanic
8 Participants
n=5 Participants
15 Participants
n=7 Participants
13 Participants
n=5 Participants
12 Participants
n=4 Participants
15 Participants
n=21 Participants
10 Participants
n=8 Participants
11 Participants
n=8 Participants
13 Participants
n=24 Participants
14 Participants
n=42 Participants
111 Participants
n=42 Participants
Race/Ethnicity, Customized
Race Ethnicity · Other
2 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
3 Participants
n=4 Participants
2 Participants
n=21 Participants
1 Participants
n=8 Participants
0 Participants
n=8 Participants
0 Participants
n=24 Participants
1 Participants
n=42 Participants
10 Participants
n=42 Participants
Race/Ethnicity, Customized
Race Ethnicity · White not Hispanic
6 Participants
n=5 Participants
5 Participants
n=7 Participants
4 Participants
n=5 Participants
4 Participants
n=4 Participants
7 Participants
n=21 Participants
5 Participants
n=8 Participants
6 Participants
n=8 Participants
7 Participants
n=24 Participants
4 Participants
n=42 Participants
48 Participants
n=42 Participants

PRIMARY outcome

Timeframe: Baseline to 8 weeks

Patient's response to an air stimulus is recorded on a Visual Analog Scale of 0-100 with 0 representing no pain and 100 representing the worst possible pain.

Outcome measures

Outcome measures
Measure
Test Toothpaste With Nano-HAP (Medium Concentration)
n=22 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (medium concentration)
Test Cream With Nano-HAP (Higher Concentration)
n=25 Participants
Participants will be instructed to brush for 2 minutes morning and evening with a full ribbon of standard fluoride toothpaste. After the evening brushing, participants will then insert custom-made trays loaded with a full ribbon of cream. Participants will be instructed to remove the trays after 5 minutes and expectorate the cream. Participants will be instructed not to eat or drink until the next morning following cream use. Test cream with nano-HAP (higher concentration)
Control Cream Without Nano-HAP
n=26 Participants
Participants will be instructed to brush for 2 minutes morning and evening with a full ribbon of standard fluoride toothpaste. After the evening brushing, participants will then insert custom-made trays loaded with a full ribbon of cream. Participants will be instructed to remove the trays after 5 minutes and expectorate the cream. Participants will be instructed not to eat or drink until the next morning following cream use. Control cream without nano-HAP
Control Toothpaste Containing Novamin® Technology
n=20 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste containing Novamin® technology
Control Toothpaste Containing 1500 Ppm Fluoride as MFP
n=20 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste containing 1500 ppm fluoride as MFP
Test Toothpaste With Nano-HAP (High Concentration)
n=19 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (high concentration)
Test Toothpaste With Nano-HAP (Low Concentration)
n=22 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (low concentration)
Test Toothpaste With Nano-HAP and Potassium Nitrate (KNO3)
n=24 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP and KNO3
Control Toothpaste Without Nano-HAP
n=20 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste without nano-HAP
Percentage Change From Baseline in VAS (Visual Analog Scale) With Air Stimulation
-56.85 percentage change from baseline
Standard Error 7.98
-38.99 percentage change from baseline
Standard Error 5.37
-50.67 percentage change from baseline
Standard Error 4.93
-51.44 percentage change from baseline
Standard Error 5.31
-51.59 percentage change from baseline
Standard Error 5.57
-41.59 percentage change from baseline
Standard Error 8.08
-38.64 percentage change from baseline
Standard Error 5.85
-53.16 percentage change from baseline
Standard Error 5.99
-47.19 percentage change from baseline
Standard Error 7.13

PRIMARY outcome

Timeframe: Baseline to 8 weeks

Patient's response to cold stimulus is recorded on a Visual Analog Scale of 0-100 with 0 signifying no pain and 100 signifying the worst possible pain

Outcome measures

Outcome measures
Measure
Test Toothpaste With Nano-HAP (Medium Concentration)
n=22 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (medium concentration)
Test Cream With Nano-HAP (Higher Concentration)
n=25 Participants
Participants will be instructed to brush for 2 minutes morning and evening with a full ribbon of standard fluoride toothpaste. After the evening brushing, participants will then insert custom-made trays loaded with a full ribbon of cream. Participants will be instructed to remove the trays after 5 minutes and expectorate the cream. Participants will be instructed not to eat or drink until the next morning following cream use. Test cream with nano-HAP (higher concentration)
Control Cream Without Nano-HAP
n=26 Participants
Participants will be instructed to brush for 2 minutes morning and evening with a full ribbon of standard fluoride toothpaste. After the evening brushing, participants will then insert custom-made trays loaded with a full ribbon of cream. Participants will be instructed to remove the trays after 5 minutes and expectorate the cream. Participants will be instructed not to eat or drink until the next morning following cream use. Control cream without nano-HAP
Control Toothpaste Containing Novamin® Technology
n=20 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste containing Novamin® technology
Control Toothpaste Containing 1500 Ppm Fluoride as MFP
n=20 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste containing 1500 ppm fluoride as MFP
Test Toothpaste With Nano-HAP (High Concentration)
n=19 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (high concentration)
Test Toothpaste With Nano-HAP (Low Concentration)
n=22 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (low concentration)
Test Toothpaste With Nano-HAP and Potassium Nitrate (KNO3)
n=24 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP and KNO3
Control Toothpaste Without Nano-HAP
n=20 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste without nano-HAP
Percentage Change From Baseline in VAS (Visual Analog Scale) With Cold Stimulation
-48.80 percentage change from baseline
Standard Error 6.21
-34.90 percentage change from baseline
Standard Error 3.4
-39.36 percentage change from baseline
Standard Error 4.66
-48.14 percentage change from baseline
Standard Error 4.63
-34.96 percentage change from baseline
Standard Error 6.97
-44.71 percentage change from baseline
Standard Error 4.78
-31.95 percentage change from baseline
Standard Error 6.88
-42.49 percentage change from baseline
Standard Error 6.70
-35.67 percentage change from baseline
Standard Error 5.16

PRIMARY outcome

Timeframe: Baseline to 8 weeks

Patient's response to an air stimulus is recorded on a Dental Pain Scale (none\[1\]-mild\[2\]-moderate\[3\]-severe\[4\]).

Outcome measures

Outcome measures
Measure
Test Toothpaste With Nano-HAP (Medium Concentration)
n=22 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (medium concentration)
Test Cream With Nano-HAP (Higher Concentration)
n=25 Participants
Participants will be instructed to brush for 2 minutes morning and evening with a full ribbon of standard fluoride toothpaste. After the evening brushing, participants will then insert custom-made trays loaded with a full ribbon of cream. Participants will be instructed to remove the trays after 5 minutes and expectorate the cream. Participants will be instructed not to eat or drink until the next morning following cream use. Test cream with nano-HAP (higher concentration)
Control Cream Without Nano-HAP
n=26 Participants
Participants will be instructed to brush for 2 minutes morning and evening with a full ribbon of standard fluoride toothpaste. After the evening brushing, participants will then insert custom-made trays loaded with a full ribbon of cream. Participants will be instructed to remove the trays after 5 minutes and expectorate the cream. Participants will be instructed not to eat or drink until the next morning following cream use. Control cream without nano-HAP
Control Toothpaste Containing Novamin® Technology
n=20 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste containing Novamin® technology
Control Toothpaste Containing 1500 Ppm Fluoride as MFP
n=20 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste containing 1500 ppm fluoride as MFP
Test Toothpaste With Nano-HAP (High Concentration)
n=19 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (high concentration)
Test Toothpaste With Nano-HAP (Low Concentration)
n=22 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (low concentration)
Test Toothpaste With Nano-HAP and Potassium Nitrate (KNO3)
n=24 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP and KNO3
Control Toothpaste Without Nano-HAP
n=20 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste without nano-HAP
Percentage Change From Baseline in DPS (Dental Pain Scale) With Air Stimulation
-49.35 percentage change from baseline
Standard Error 5.66
-17.47 percentage change from baseline
Standard Error 3.22
-28.54 percentage change from baseline
Standard Error 3.73
-35.14 percentage change from baseline
Standard Error 3.53
-43.35 percentage change from baseline
Standard Error 4.39
-34.15 percentage change from baseline
Standard Error 4.65
-38.63 percentage change from baseline
Standard Error 3.70
-43.95 percentage change from baseline
Standard Error 3.62
-33.63 percentage change from baseline
Standard Error 4.74

PRIMARY outcome

Timeframe: Baseline to 8 weeks

Patient's response to an cold stimulus is recorded on a Dental Pain Scale (none\[1\]-mild\[2\]-moderate\[3\]-severe\[4\]).

Outcome measures

Outcome measures
Measure
Test Toothpaste With Nano-HAP (Medium Concentration)
n=22 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (medium concentration)
Test Cream With Nano-HAP (Higher Concentration)
n=25 Participants
Participants will be instructed to brush for 2 minutes morning and evening with a full ribbon of standard fluoride toothpaste. After the evening brushing, participants will then insert custom-made trays loaded with a full ribbon of cream. Participants will be instructed to remove the trays after 5 minutes and expectorate the cream. Participants will be instructed not to eat or drink until the next morning following cream use. Test cream with nano-HAP (higher concentration)
Control Cream Without Nano-HAP
n=26 Participants
Participants will be instructed to brush for 2 minutes morning and evening with a full ribbon of standard fluoride toothpaste. After the evening brushing, participants will then insert custom-made trays loaded with a full ribbon of cream. Participants will be instructed to remove the trays after 5 minutes and expectorate the cream. Participants will be instructed not to eat or drink until the next morning following cream use. Control cream without nano-HAP
Control Toothpaste Containing Novamin® Technology
n=20 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste containing Novamin® technology
Control Toothpaste Containing 1500 Ppm Fluoride as MFP
n=20 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste containing 1500 ppm fluoride as MFP
Test Toothpaste With Nano-HAP (High Concentration)
n=19 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (high concentration)
Test Toothpaste With Nano-HAP (Low Concentration)
n=22 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP (low concentration)
Test Toothpaste With Nano-HAP and Potassium Nitrate (KNO3)
n=24 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Test toothpaste with nano-HAP and KNO3
Control Toothpaste Without Nano-HAP
n=20 Participants
Participants will be instructed to apply a full ribbon of toothpaste to a damp toothbrush. Participants will then brush for 2 minutes followed by rinsing with 15 mL of water. Participants will be instructed not to eat or drink for 30 minutes following brushing. Brushing will be performed twice a day (morning and evening). Control toothpaste without nano-HAP
Percentage Change From Baseline in DPS (Dental Pain Scale) With Cold Stimulation
-46.21 percentage change from baseline
Standard Error 4.22
-15.30 percentage change from baseline
Standard Error 2.57
-25.57 percentage change from baseline
Standard Error 2.97
-35.37 percentage change from baseline
Standard Error 3.54
-30.18 percentage change from baseline
Standard Error 4.15
-39.81 percentage change from baseline
Standard Error 3.60
-38.41 percentage change from baseline
Standard Error 3.88
-35.03 percentage change from baseline
Standard Error 3.65
-34.07 percentage change from baseline
Standard Error 3.70

Adverse Events

Control Toothpaste Containing Novamin® Technology

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Control Toothpaste Containing 1500 Ppm Fluoride as MFP

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Test Toothpaste With Nano-HAP (High Concentration)

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Test Toothpaste With Nano-HAP (Low Concentration)

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Test Toothpaste With Nano-HAP and Potassium Nitrate (KNO3)

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Control Toothpaste Without Nano-HAP

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Test Toothpaste With Nano-HAP (Medium Concentration)

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Test Cream With Nano-HAP (Higher Concentration)

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Control Cream Without Nano-HAP

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Bennett Amaechi, DDS

University of Texas Health San Antonio

Phone: 210-567-3185

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place