Healthy People
Conditions
Interventions
research 1: Observation Group:This is an observational study to observe the MRI images of subjects under different occlusal force.
research 2: Tooth Tapping Group:Four weeks after the visit, tooth tapping 36 times after brushed their teeth in the morning and evening
research 3: Group 1 :In the first week after enrollment, tooth tapping 36 times after brushed their teeth in the morning and eveningand evening
In the second week after enrollment, no tooth tapping a
research 3: Group 2 :In the first week after enrollment, tooth tapping 36 times after brushed their teeth in the morning and eveningand evening
In the second week after enrollment, no tooth tapping a
Sponsors
Beijing Stomatological Hospital, Capital Medical University
Eligibility
Sex/Gender
All
Age
20 Years to 60 Years
Inclusion criteria
Inclusion criteria: Research 1: ? 20-30 years old, male and female unlimited; ? no previous cerebrovascular disease; ? have sufficient time and energy to participate in this study. Research 2: ? 20-30 years old, male and female unlimited; ? no previous cerebrovascular disease; ? have sufficient time and energy to participate in this study. Research 3: ? 30-60 years old, male and female unlimited; ? patients with subarachnoid hemorrhage who require nasal feeding; ? requires nasal feeding for more than 2 weeks; ? Have sufficient time and energy to participate in this study.
Exclusion criteria
Exclusion criteria: Research 1 ? metal crowns in the mouth; ? temporomandibular joint disorder; ? uncontrolled periodontal disease; ? the maximum occlusal force of the subject cannot reach 400N; ? claustrophobia; ? audiovisual disorders, mental disorders, pregnant and lactating women. Research 2 ? metal crowns in the mouth; ? temporomandibular joint disorder; ? uncontrolled periodontal disease; ? claustrophobia, audiovisual disorders, mental disorders; ? audiovisual disorders, mental disorders, pregnant and lactating women. Research 3 ? metal crowns in the mouth; ? temporomandibular joint disorder; ? uncontrolled periodontal disease; ? audiovisual disorders, mental disorders, pregnant and lactating women.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| MRI; | — |
Secondary
| Measure | Time frame |
|---|---|
| maximum occlusal force;the occlusal force during tooth tapping; | — |
Countries
China
Contacts
Public ContactWang Songling, Wei Xuezhu
Beijing Stomatological Hospital, Capital Medical University
Outcome results
None listed