Duration of Second Stage of Labor Wearing a Dental Occlusion Device

Status Completed

Clinical Trial Summary

Developing a method to maximize maternal expulsive effort should be of great value in reducing the number of cesarean section or instrumental deliveries. Various investigations have shown that use of an occlusal support device (OSD) increases the isometric strength of different muscle groups. The aim of our study was to investigate the role of an OSD in second stage pushing.

Clinical Trial Description

The increased use of epidural anesthesia during labor has lead to an increased incidence of prolonged second stage as an indication for cesarean section or instrumental delivery. The use of oxytocin has proven to be an effective method of augmentation of labor in such prolonged labor cases. However, despite oxytocin augmentation, there has been an increase in the number of cases that require cesarean section or instrumental delivery to effect delivery.

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. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Supportive Care

Related Conditions & MeSH terms

Pregnancy

Clinical Trial Details

NCT number	NCT00629369
Study type	Interventional
Source	Mercy Medical Center
Contact
Status	Completed
Phase	N/A
Start date	October 2007
Completion date	December 2007

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.