Comparison of masticatory performance, salivary flow and jaw muscle activity between unilateral, alternating bilateral and simultaneously bilateral masticatio

Phase 1

Recruiting

• Conditions: healthy human volunteers; unilateral chewing; alternating bilateral chewing; simultaneously bilateral chewing

• Registration Number: TCTR20230605002
• Lead Sponsor: Faculty of dentistry, Khon Kaen university

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2023-06-05
• Study Completion: 2024-02-05
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 20

Inclusion Criteria

Dental students at Faculty of Dentistry Year 1-6
- Be able to chew with both sides of the jaw
- Have at least 28 teeth
- At least 4 pairs of occluding teeth (2 premolars and 2 molars) and nearly symmetrical anatomy
- Angle classification class I
- Nearly equal occlusal contacts at intercuspation position on both sides

Exclusion Criteria

- On drugs that cause less saliva flow or with xerostomia
- Having history of pain around masticatory muscle or temporomandibular joint
- Having occlusal interference while chewing
- Having fixed orthodontic appliance

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
salivary flow, one time point Volumetric measurement,masticatory performance one time point Median particle size

Secondary Outcome Measures

Name	Time	Method
muscle activity one time point Surface electromyography