Trial Outcomes & Findings for Occlusal Adjustment as Treatment for Chronic Orofacial Pain (NCT NCT00899717)

NCT ID: NCT00899717

Last Updated: 2013-07-26

Results Overview

The primary outcome was self-reported pain intensity on a 0 to 10 cm visual analog scale considering the temporomandibular disorder side, being 0="No pain" and 10="Worst imaginable pain"

Recruitment status

COMPLETED

Study phase

PHASE1/PHASE2

Target enrollment

21 participants

Primary outcome timeframe

Baseline, immediately after therapy, 3 months and 6 months after therapy

Results posted on

2013-07-26

Participant Flow

Participant milestones

Participant milestones
Measure
Real Occlusal Adjustment
Occlusal adjustment : modification of occlusal surfaces
Sham Occlusal Adjustment
Placebo occlusal adjustment : Simulated modification of occlusal surfaces
Overall Study
STARTED
10
11
Overall Study
COMPLETED
10
11
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Occlusal Adjustment as Treatment for Chronic Orofacial Pain

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Real Occlusal Adjustment
n=10 Participants
Sham Occlusal Adjustment
n=11 Participants
Total
n=21 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
10 Participants
n=5 Participants
11 Participants
n=7 Participants
21 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age Continuous
34.7 years
STANDARD_DEVIATION 13.7 • n=5 Participants
29.73 years
STANDARD_DEVIATION 8.61 • n=7 Participants
32.1 years
STANDARD_DEVIATION 11.34 • n=5 Participants
Sex: Female, Male
Female
9 Participants
n=5 Participants
8 Participants
n=7 Participants
17 Participants
n=5 Participants
Sex: Female, Male
Male
1 Participants
n=5 Participants
3 Participants
n=7 Participants
4 Participants
n=5 Participants
Region of Enrollment
Spain
10 participants
n=5 Participants
11 participants
n=7 Participants
21 participants
n=5 Participants

PRIMARY outcome

Timeframe: Baseline, immediately after therapy, 3 months and 6 months after therapy

The primary outcome was self-reported pain intensity on a 0 to 10 cm visual analog scale considering the temporomandibular disorder side, being 0="No pain" and 10="Worst imaginable pain"

Outcome measures

Outcome measures
Measure
Real Occlusal Adjustment
n=10 Participants
Placebo Occlusal Adjustment
n=11 Participants
Visual Analogic Scale for Pain Intensity (0-10)
Baseline
6.52 units on a scale
Standard Deviation 1.84 • Interval 5.75 to 7.56
4.8 units on a scale
Standard Deviation 1.99 • Interval 2.75 to 7.0
Visual Analogic Scale for Pain Intensity (0-10)
Immediately after therapy
.81 units on a scale
Standard Deviation 1.56
2.05 units on a scale
Standard Deviation 2.07
Visual Analogic Scale for Pain Intensity (0-10)
3 months after therapy
2.25 units on a scale
Standard Deviation 2.68
3.80 units on a scale
Standard Deviation 2.94
Visual Analogic Scale for Pain Intensity (0-10)
6 months after therapy
.40 units on a scale
Standard Deviation .97
4 units on a scale
Standard Deviation 2.31

SECONDARY outcome

Timeframe: Before and 6 months after therapy

Population: Only tests from 15 participants were suitable because of slow or too many positive responses.

Scale name: Global Severity Index. Scale graded from 0 to 4. Scores increases as the symptoms severity increases.

Outcome measures

Outcome measures
Measure
Real Occlusal Adjustment
n=8 Participants
Placebo Occlusal Adjustment
n=7 Participants
Symptom Checklist-90-Revised (SCL-90-R®)
6 months after therapy Global Severity Index
0.75 units on a scale
Standard Deviation 0.5
0.51 units on a scale
Standard Deviation 0.58
Symptom Checklist-90-Revised (SCL-90-R®)
Baseline Global Severity Index
1.32 units on a scale
Standard Deviation 0.91
0.58 units on a scale
Standard Deviation 0.54

SECONDARY outcome

Timeframe: Before and 6 months after therapy

The change in the habitual chewing side of each participant across the study

Outcome measures

Outcome measures
Measure
Real Occlusal Adjustment
n=10 Participants
Placebo Occlusal Adjustment
n=11 Participants
Preferred Chewing Side
Baseline
0 participants
0 participants
Preferred Chewing Side
6 months after therapy
8 participants
1 participants

SECONDARY outcome

Timeframe: 6 months (before and after therapy) including 4 assessment points: pre-treatment, post-treatment, 3- and 6-month follow up

Maximum voluntary unassisted mouth opening

Outcome measures

Outcome measures
Measure
Real Occlusal Adjustment
n=10 Participants
Placebo Occlusal Adjustment
n=11 Participants
Maximum Mouth Opening (mm)
Baseline
41.6 mm
Standard Deviation 8.26
42.36 mm
Standard Deviation 10.55
Maximum Mouth Opening (mm)
Immediately after therapy
45.50 mm
Standard Deviation 7.89
45.07 mm
Standard Deviation 10.61
Maximum Mouth Opening (mm)
3 months after therapy
47.10 mm
Standard Deviation 5.26
41.27 mm
Standard Deviation 11.31
Maximum Mouth Opening (mm)
6 months after therapy
49.20 mm
Standard Deviation 7.28
41.73 mm
Standard Deviation 10.34

SECONDARY outcome

Timeframe: Baseline

Parasagittal plane condylar path angles tracings in relation to the Frankfort line were made following the Gysi extraoral method.

Outcome measures

Outcome measures
Measure
Real Occlusal Adjustment
n=10 Participants
Placebo Occlusal Adjustment
n=11 Participants
Condylar Path Angles
Right condylar path angle
52.33 degrees
Standard Deviation 10.28
49 degrees
Standard Deviation 8.09
Condylar Path Angles
Left condylar path angle
49.20 degrees
Standard Deviation 11.68
48.27 degrees
Standard Deviation 10.21
Condylar Path Angles
Pain side condylar path angle
56.75 degrees
Standard Deviation 12.62
51.09 degrees
Standard Deviation 9.31
Condylar Path Angles
Non-pain side condylar path angle
44.78 degrees
Standard Deviation 6.87
46.18 degrees
Standard Deviation 8.36

Adverse Events

Real Occlusal Adjustment

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

Sham Occlusal Adjustment

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

Urbano Santana Penín

University of Santiago de Compostela

Phone: 0034647344093

Results disclosure agreements

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