Duration of Second Stage of Labor Wearing a Dental Occlusion Device
NCT ID: NCT00629369
Last Updated: 2008-03-13
Study Results
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Basic Information
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COMPLETED
NA
64 participants
INTERVENTIONAL
2007-10-31
2007-12-31
Brief Summary
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Detailed Description
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McRobert's maneuver, which is often used in to relieve shoulder dystocia, has recently been shown to increase intrauterine pressure approximately two-fold. However; it is an arduous position for the pregnant woman to maintain over a long period of time. Developing alternative methods to maximize expulsive forces, both uterine contractions and maternal expulsive effort, may be of great value in reducing the number of cesarean sections or instrumental deliveries.
Various researchers have investigated the effect of an occlusal support device (OSD) on the isometric strength of different muscle groups, e.g., neck, back, and extremities. The natural condition of dental occlusion, also known as the index of physical performance, has an affect on both muscle strength and body balance. When occlusal support is given to edentulous individuals they show improved physical exercise ability after the re-establishment of mandibular support. Patients whose dentition is in proper occlusion demonstrate greater endurance of isometric muscle strength than those who are in malocclusion. We hypothesize that optimization of dental occlusion by an OSD may improve muscle strength, leading to increased intrauterine pressure during the second stage in labor.
The aim of our study is to investigate whether the use of the OSD results in a shortened duration of the second stage of labor.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
SUPPORTIVE_CARE
NONE
Study Groups
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A
subjects with Occlusion Support Device with active pushing in the second stage of labor
Extra 3 mouth guard, Shock doctor mouth guard v3.0
Dental mouthguard, molded for each individual patient when in labor. The device is put in the water then in microwave for one minute to soften the device. The device is then applied to the patient's mouth for over 10 seconds to mold it.
2
Subjects without Occlusal Support Device with active pushing in the second stage of labor
No interventions assigned to this group
Interventions
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Extra 3 mouth guard, Shock doctor mouth guard v3.0
Dental mouthguard, molded for each individual patient when in labor. The device is put in the water then in microwave for one minute to soften the device. The device is then applied to the patient's mouth for over 10 seconds to mold it.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Term
* Singleton
* Cephalic presentation
* Reactive fetal heart rate pattern
* Functioning epidural anesthesia
Exclusion Criteria
* Large for gestational age
* Uterine anomaly
* Uterine myomata
* Pre-eclampsia
* Diabetes mellitus
* Fetal anomaly
* Maternal heart disease
16 Years
45 Years
FEMALE
No
Sponsors
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Mercy Medical Center
OTHER
Responsible Party
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Mercy Medical Center
Principal Investigators
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Robert O Atlas, MD
Role: PRINCIPAL_INVESTIGATOR
Mercy Medical Center, Baltimore
Locations
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Mercy Medical Center
Baltimore, Maryland, United States
Countries
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References
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Matsuo K, Mudd JV, Kopelman JN, Atlas RO. Duration of the second stage of labor while wearing a dental support device: a pilot study. J Obstet Gynaecol Res. 2009 Aug;35(4):672-8. doi: 10.1111/j.1447-0756.2008.01010.x.
Other Identifiers
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MMC2007-39
Identifier Type: -
Identifier Source: org_study_id
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