NCT06946147|Not Yet Recruiting
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Sponsor study identifier
observational
40
1 country
1
Study Start
April 30, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Primary Completion
February 28, 2026
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
March 15, 2026
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
This study will be conducted to assess Temporomandibular Joint (TMJ) function across different trimesters of pregnancy.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
March 15, 2026
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
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Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
April 19, 2025
Actual (reported)April 27, 2025
Actual (reported)April 30, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
February 28, 2026
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
March 15, 2026
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Mouth Opening (Eyes Open)
The woman opens her mouth maximally. The vertical distance between the upper and lower central incisors is measured using a caliper. One-third of the full temporomandibular joint range of motion (ROM) is used as functional ROM. The caliper is adjusted to this range. The woman practices the motion three times, then performs it actively three times with eyes open. Mean absolute joint position error (JPE) is recorded.
5 months
Mouth Opening (Eyes Closed)
The woman opens her mouth maximally. The vertical distance between the upper and lower central incisors is measured using a caliper. One-third of the full temporomandibular joint range of motion (ROM) is used as functional ROM. The caliper is adjusted to this range. The woman practices the motion three times, then performs it actively three times with eyes closed. Mean absolute joint position error (JPE) is recorded.
5 months
Right Lateral Movement (Eyes Open):
From rest, the woman moves her jaw to the right. The horizontal distance between upper and lower incisors is measured. Functional range of motion ROM is calculated (one-third of full ROM). She practices then actively performs the movement three times. Joint position error (JPE) is recorded.
5 months
Right Lateral Movement (Eyes Closed)
From rest, the woman moves her jaw to the right. The horizontal distance between upper and lower incisors is measured. Functional range of motion (ROM) is calculated (one-third of full ROM). She practices then actively performs the movement three times but with eyes closed. Joint position error (JPE) is recorded.
Assessment of severity of temporomandibular joint dysfunction
5 months
Assessment of temporomandibular joint pain
5 months
Assessment of Temporomandibular Joint Function will be conducted in pregnant women through different trimesters of pregnancy at specific measuring times: Baseline: early first trimester (before 12 weeks of gestation). Second trimester: between 18 and 21 weeks of gestation. Third trimester: between 31 and 34 weeks of gestation.
Assessment of Temporomandibular Joint Function will be conducted in non-pregnant healthy women.
Twenty pregnant women and twenty non-pregnant women will participate in this study.
Maha Zaghloul mohammed
Cairo, Egypt
HAZEM EL ASHMAWY, Professor
Cairo University
Doaa Osman, Professor
Cairo University
First Submitted
April 19, 2025
First Posted
April 27, 2025
Study Start
April 30, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Primary Completion
February 28, 2026
5 months
Left Lateral Movement (Eyes Open)
From rest, the woman moves her jaw to the left. The horizontal distance between upper and lower incisors is measured. Functional range of motion (ROM) is calculated (one-third of full ROM). She practices then actively performs the movement three times.Joint position error (JPE) is recorded.
5 months
Left Lateral Movement (Eyes Closed)
rom rest, the woman moves her jaw to the left. The horizontal distance between upper and lower incisors is measured. Functional range of motion (ROM) is calculated (one-third of full ROM). She practices then actively performs the movement three times but with eye closed. Error of JPE is recorded.
5 months
Jaw protrusion (Eyes Open)
From rest, the woman moves her jaw forward. Distance between upper and lower incisors is measured. Functional range of motion (ROM) is calculated. Movement is practiced and repeated three times. Joint position error (JPE) is recorded.
5 months
Jaw protrusion (Eyes Closed)
From rest, the woman moves her jaw forward. Distance between upper and lower incisors is measured. Functional range of motion (ROM) is calculated. Movement is practiced and repeated three times but with closed eyes. Joint position error (JPE) is recorded.
5 months
Contact the study team to confirm eligibility.
This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
March 15, 2026
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Last Updated
April 27, 2025
Record last verified: 2025-04
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Source: ClinicalTrials.gov.
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