Measurement of muscle and fascia of masticatory muscles by the sonography -association with mouth opening limitation-

Measurement of muscle and fascia of masticatory muscles by the sonography -association with mouth opening limitation- - Measurement of masticatory muscles by the sonography

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000043388

Enrollment

106

Registered

2021-04-01

Start date

2021-03-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Temporomandibular disoders

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: temporomandibular disorder patients and healthy volunteers

Exclusion criteria

Exclusion criteria: 1) the one who has tumor, injury, congenital dysfunction or form abnormality of orofacial region 2) the one who has mouth opening limitation and/or pain caused by systemic disease 3) the one who can not understand the medical interview and instructions

Design outcomes

Primary

Measure	Time frame
echogenicity of the masticatory muscle (first visit, 1 month later, 3 months later)	—

Secondary

Measure	Time frame
mouth opening range, muscle pain	—

Countries

Japan

Contacts

Public ContactTetsurou Torisu

Nagasaki University Hospital prosthetic dentistry care unit

torisu@nagasaki-u.ac.jp0958197692

Outcome results