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Effects of centric relation-maximum intercuspation discrepancy and anterior/lateral guidance on electromyography

Effects of centric relation-maximum intercuspation discrepancy and anterior/lateral guidance on electromyography

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-CCC-12002331
Enrollment
Unknown
Registered
2012-07-09
Start date
2011-02-20
Completion date
Unknown
Last updated
2017-04-18

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

Conditions

temporomandibular dysfunction

Interventions

experimental group D2:No intervention
normal group H1:splint
normal group H2:no intervention
experimental group D1:splint

Sponsors

Hospital of stomatology Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 25 Years

Inclusion criteria

Inclusion criteria: The inclusion criteria for experimental group are as following: 1. full permanent dentition; 2. no history of orthodontic or prosthetic treatment, injury to the face or jaw, grinding, or rheumatic arthritis; 3. CR-MI discrepancy existed and no good anterior / lateral guidance. The inclusion criteria for normal group are as following: (i) full permanent dentition (ii) no history of orthodontic or prosthetic treatment, injury to the face or jaw, grinding, or rheumatic arthritis. (iii) CR-MI in harmony and good anterior / lateral guidance.

Exclusion criteria

Exclusion criteria: The inclusion criteria for experimental group are as following: 1. full permanent dentition; 2. no history of orthodontic or prosthetic treatment, injury to the face or jaw, grinding, or rheumatic arthritis; 3. CR-MI discrepancy existed and no good anterior / lateral guidance. The inclusion criteria for group are as following: (i) full permanent dentition (ii) no history of orthodontic or prosthetic treatment, injury to the face or jaw, grinding, or rheumatic arthritis. (iii) CR-MI in harmony and good anterior / lateral guidance.

Design outcomes

Primary

MeasureTime frame
electromyograph;

Secondary

MeasureTime frame
Helkimo index;

Countries

China

Contacts

Public ContactChen Song
pilula1985@hotmail.com+86 13880733910

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026