Trial Outcomes & Findings for Evaluation of Clear Aligner Trays to Straighten Teeth (NCT NCT03141788)

NCT ID: NCT03141788

Last Updated: 2024-12-02

Results Overview

Achievement of target setup per treatment plan as determined by Orthodontist.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

52 participants

Primary outcome timeframe

The expected duration of subject participation was to be 6 to 24 months. Due to additional time needed for orthodontic refinements, the actual longest duration was approximately 28 months.

Results posted on

2024-12-02

Participant Flow

Screen failures because they did not meet Inclusion/Exclusion criteria

Participant milestones

Participant milestones
Measure
3M Clear Aligner
3M Clear Aligner for Orthodontic Treatment
Overall Study
STARTED
52
Overall Study
COMPLETED
44
Overall Study
NOT COMPLETED
8

Reasons for withdrawal

Reasons for withdrawal
Measure
3M Clear Aligner
3M Clear Aligner for Orthodontic Treatment
Overall Study
Lost to Follow-up
1
Overall Study
Protocol Violation
3
Overall Study
Withdrawal by Subject
4

Baseline Characteristics

Evaluation of Clear Aligner Trays to Straighten Teeth

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
3M Clear Aligner
n=52 Participants
Clear Aligner Treatment Clear Aligner: Clear Aligner used to straighten teeth to desired outcome
Age, Continuous
34.1 years
STANDARD_DEVIATION 10.28 • n=5 Participants
Sex: Female, Male
Female
37 Participants
n=5 Participants
Sex: Female, Male
Male
15 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
4 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
48 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
1 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
1 Participants
n=5 Participants
Race (NIH/OMB)
White
46 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
4 Participants
n=5 Participants
Region of Enrollment
United States
52 participants
n=5 Participants
Class type of malocclusion
Class I Malocclusion
39 Participants
n=5 Participants
Class type of malocclusion
Class II Malocclusion
12 Participants
n=5 Participants
Class type of malocclusion
Class III Malocclusion
1 Participants
n=5 Participants
Previous orthodontic treatments
Yes
32 Participants
n=5 Participants
Previous orthodontic treatments
No
20 Participants
n=5 Participants

PRIMARY outcome

Timeframe: The expected duration of subject participation was to be 6 to 24 months. Due to additional time needed for orthodontic refinements, the actual longest duration was approximately 28 months.

Achievement of target setup per treatment plan as determined by Orthodontist.

Outcome measures

Outcome measures
Measure
3M Clear Aligner
n=52 Participants
Clear Aligner Orthodontic Treatment for malocclusion
Successful Correction of Malocclusion
Reached Target Set Up
32 Participants
Successful Correction of Malocclusion
Did Not Reach Target Set Up
20 Participants

SECONDARY outcome

Timeframe: The expected duration of subject participation was to be 6 to 24 months. Due to additional time needed for orthodontic refinements, the actual longest duration was approximately 28 months.

Population: Not obtained due to technical difficulties including warped and insufficient dental scans

Achievement of individual tooth movement measured per treatment plan and digital scan

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: The expected duration of subject participation was to be 6 to 24 months. Due to additional time needed for orthodontic refinements, the actual longest duration was approximately 28 months.

Achievement of individual tooth movement measured per treatment plan

Outcome measures

Outcome measures
Measure
3M Clear Aligner
n=52 Participants
Clear Aligner Orthodontic Treatment for malocclusion
Treatment Time for Tooth Movement
443 days
Interval 14.0 to 853.0

SECONDARY outcome

Timeframe: The expected duration of subject participation was to be 6 to 24 months. Due to additional time needed for orthodontic refinements, the actual longest duration was approximately 28 months.

Effective use of attachment by tracking attachment bond failures by visual assessment

Outcome measures

Outcome measures
Measure
3M Clear Aligner
n=52 Participants
Clear Aligner Orthodontic Treatment for malocclusion
Effective Use of Attachments
5.4 Percentage of Attachment Bond Failure
Standard Deviation 14.58

SECONDARY outcome

Timeframe: The expected duration of subject participation was to be 6 to 24 months. Due to additional time needed for orthodontic refinements, the actual longest duration was approximately 28 months.

Orthodontist satisfaction with treatment outcome

Outcome measures

Outcome measures
Measure
3M Clear Aligner
n=52 Participants
Clear Aligner Orthodontic Treatment for malocclusion
Orthodontist Satisfaction
Very Satisfied
5 Participants
Orthodontist Satisfaction
Satisfied
33 Participants
Orthodontist Satisfaction
Neutral
7 Participants
Orthodontist Satisfaction
Dissatisfied
2 Participants
Orthodontist Satisfaction
Not Applicable
5 Participants

SECONDARY outcome

Timeframe: The expected duration of subject participation was to be 6 to 24 months. Due to additional time needed for orthodontic refinements, the actual longest duration was approximately 28 months.

Population: The ordering software was updated during treatment and therefore not analyzed.

Orthodontist satisfaction with treatment management software -Ease of use in ordering products

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: The expected duration of subject participation was to be 6 to 24 months. Due to additional time needed for orthodontic refinements, the actual longest duration was approximately 28 months.

Aligner comfortable to wear

Outcome measures

Outcome measures
Measure
3M Clear Aligner
n=479 study visits
Clear Aligner Orthodontic Treatment for malocclusion
Aligner Comfort
Comfortable
390 study visits
Aligner Comfort
Tolerable
41 study visits
Aligner Comfort
Somewhat Uncomfortable
22 study visits
Aligner Comfort
Not at all Comfortable
2 study visits
Aligner Comfort
Extremely Comfortable
24 study visits

SECONDARY outcome

Timeframe: The expected duration of subject participation was to be 6 to 24 months. Due to additional time needed for orthodontic refinements, the actual longest duration was approximately 28 months.

Subject satisfaction with appearance during treatment

Outcome measures

Outcome measures
Measure
3M Clear Aligner
n=479 study visits
Clear Aligner Orthodontic Treatment for malocclusion
Appearance Satisfaction
Satisfied
470 study visits
Appearance Satisfaction
Not Satisfied
9 study visits

SECONDARY outcome

Timeframe: The expected duration of subject participation was to be 6 to 24 months. Due to additional time needed for orthodontic refinements, the actual longest duration was approximately 28 months.

Subject satisfaction with ease of cleaning during treatment

Outcome measures

Outcome measures
Measure
3M Clear Aligner
n=479 study visits
Clear Aligner Orthodontic Treatment for malocclusion
Aligner Ease of Cleaning
Easy to Keep Clean
436 study visits
Aligner Ease of Cleaning
Not Easy to Keep Clean
43 study visits

SECONDARY outcome

Timeframe: The expected duration of subject participation was to be 6 to 24 months. Due to additional time needed for orthodontic refinements, the actual longest duration was approximately 28 months.

Subject satisfaction with treatment; specifically aligners easy to insert

Outcome measures

Outcome measures
Measure
3M Clear Aligner
n=479 study visits
Clear Aligner Orthodontic Treatment for malocclusion
Ease of Insertion
Easy
364 study visits
Ease of Insertion
Somewhat Easy
97 study visits
Ease of Insertion
Somewhat Difficult
15 study visits
Ease of Insertion
Difficult
3 study visits

SECONDARY outcome

Timeframe: The expected duration of subject participation was to be 6 to 24 months. Due to additional time needed for orthodontic refinements, the actual longest duration was approximately 28 months.

Number of mid course refinements or corrections

Outcome measures

Outcome measures
Measure
3M Clear Aligner
n=52 Participants
Clear Aligner Orthodontic Treatment for malocclusion
Mid Course Corrections/Refinements Needed
No Corrections/Refinements
21 Participants
Mid Course Corrections/Refinements Needed
1 Corrections/Refinements
19 Participants
Mid Course Corrections/Refinements Needed
2 Corrections/Refinements
8 Participants
Mid Course Corrections/Refinements Needed
3 Corrections/Refinements
4 Participants

SECONDARY outcome

Timeframe: The expected duration of subject participation was to be 6 to 24 months. Due to additional time needed for orthodontic refinements, the actual longest duration was approximately 28 months.

Subject satisfaction with treatment; specifically with aligner removal

Outcome measures

Outcome measures
Measure
3M Clear Aligner
n=479 study visit
Clear Aligner Orthodontic Treatment for malocclusion
Ease of Aligner Removal
Easy
308 study visit
Ease of Aligner Removal
Somewhat Easy
136 study visit
Ease of Aligner Removal
Somewhat Difficult
32 study visit
Ease of Aligner Removal
Difficult
3 study visit

Adverse Events

3M Clear Aligner

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
3M Clear Aligner
n=52 participants at risk
3M Clear Aligner for Orthodontic Treatment
Gastrointestinal disorders
Bleeding Gums
1.9%
1/52 • Number of events 1 • Up to 28 months
Product Issues
Filling Fell Off Tooth
1.9%
1/52 • Number of events 2 • Up to 28 months

Additional Information

Elaine Egging

3M

Phone: 651-737-0263

Results disclosure agreements

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