Tongue Lip Cheek Pressures on Maxillary Development
ClinicalTrials.gov Studies
Summary
This document registers ClinicalTrials.gov study NCT07552441, an observational investigation conducted at Van Yuzuncu Yil University measuring tongue, lip, and cheek muscle pressures in patients aged 12 to 25 with and without maxillary constriction. The study uses the IOPI Pro Deluxe Kit to collect orolingual manometry data in kilopascals. The findings may inform orthodontic and dental understanding of jaw narrowness causes and treatment stability, but the study does not establish clinical practice requirements or regulatory obligations for any party.
“This device uses a small, air-filled balloon (bulb) that the patient presses with their tongue or lips.”
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What changed
This is a clinical trial registration entry for NCT07552441 on ClinicalTrials.gov, describing a prospective observational study that will recruit orthodontic patients aged 12-25 at Van Yuzuncu Yil University. The study will use orolingual manometry with the Iowa Oral Performance Instrument (IOPI Pro Deluxe Kit) to compare perioral muscle pressures between individuals with maxillary constriction and those with normal jaw widths. The hypothesis is that pressure pattern differences may explain why some patients develop narrow upper jaws and how treatment outcomes can be improved. The registration does not impose compliance obligations or regulatory requirements on any party. Parties seeking to understand this research should review the full study protocol directly on ClinicalTrials.gov for complete inclusion criteria and methodology details.
Archived snapshot
Apr 28, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Orofacial Muscle Pressure and Maxillary Transverse Development
N/A NCT07552441 Kind: NA Apr 27, 2026
Abstract
Study Title: Investigation of the Effects of Tongue, Lip, and Cheek Pressures on the Development of Upper Jaw Narrowness
Introduction and Hypothesis The structure of our face and the alignment of our teeth are influenced not only by our genetics but also by the surrounding soft tissues, such as the lips, cheeks, and tongue. These muscles exert constant pressure on our teeth and jawbones. According to the "Equilibrium Theory," teeth stay in their proper positions when the inward pressure from the lips and cheeks is balanced by the outward pressure from the tongue.
The hypothesis of this study is that individuals with a narrow upper jaw (maxillary constriction) may have different muscle pressure patterns compared to those with normal jaw widths. We believe that identifying these pressure differences will help dentists and orthodontists better understand why jaw narrowness occurs and how to achieve more stable results after treatment.
What is Being Measured? To measure these delicate pressures, we use a specialized, high-tech device called the Iowa Oral Performance Instrument (IOPI). This device uses a small, air-filled balloon (bulb) that the patient presses with their tongue or lips. It allows us to measure muscle strength and endurance in "kilopascals" (a unit of pressure) without any pain or discomfort.
Study Procedure
This study will involve patients aged 12 to 25 who are seeking orthodontic treatment at Van Yüzüncü Yıl University. We will divide the participants in...
Conditions: Maxillary Transversal Deficiency (Maxillary Constriction) and Perioral Muscle Pressures (Tongue, Lip, and Cheek)
Interventions: Orolingual Manometry using IOPI Pro Deluxe Kit
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