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Related Experiment Video

Updated: Jun 22, 2026

A Lip Fixation Device Facilitates Labial Salivary Gland Biopsy for Sjögren's Disease

A Lip Fixation Device Facilitates Labial Salivary Gland Biopsy for Sjögren's Disease

Published on: March 6, 2026

Do lip bumpers work?

Julian O'Neill¹

¹Orthodontic Department, Kettering General Hospital NHS Trust, Kettering, Northamptonshire, UK.

Evidence-Based Dentistry

|June 30, 2009

Summary

This summary is machine-generated.

The lip bumper appliance can increase arch dimensions and help relieve crowding in mixed dentition. Further research is needed to confirm long-term stability of these orthodontic effects.

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A Lip Fixation Device Facilitates Labial Salivary Gland Biopsy for Sjögren's Disease

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Stimulating the Lip Motor Cortex with Transcranial Magnetic Stimulation

Stimulating the Lip Motor Cortex with Transcranial Magnetic Stimulation

Published on: June 14, 2014

Area of Science:

Orthodontics
Dentofacial Orthopedics

Background:

This review systematically searched for studies on the effects of the lip bumper appliance on dental arch dimensions and tooth movement.
Inclusion criteria focused on randomized controlled trials and prospective/retrospective human studies evaluating lip bumper effects on arches and teeth.

Discussion:

A meta-analysis was planned if multiple studies evaluated the same technique.
Extensive database and manual journal searches were conducted to identify eligible reports.

Key Insights:

Only one study provided usable outcome data out of 16 identified RCTs.
The lip bumper demonstrated an increase in arch dimensions, including arch length and width, and intercanine/intermolar distances.
Observed effects included incisor proclination, molar distalization, and distal tipping.

Outlook:

The long-term stability of the lip bumper's effects requires further investigation.
Additional high-quality research is necessary to fully elucidate the clinical efficacy and stability of the lip bumper appliance.