healthy person
Conditions
Interventions
training with chewing gums for 3 months
Sponsors
Nihon University School of Dentistry at Matsudo
LOTTE CO.,Ltd
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 5th grader of Kogasaki elementary school at Matsudo in 2019
Exclusion criteria
Exclusion criteria: Those who are attached orthodontic appliance. Those who have too severe vomit reflection to take dental impression. Those who have deciduous tooth very likely to be shed by taking dental impression.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Masticatory movement: masticatory path width | — |
Secondary
| Measure | Time frame |
|---|---|
| 1) masticatory movement: the number of chewing and the angle of masticatory path 2) dental model : dental arch width, dental arch length, the capacity of palate 3) intraoral and facial photography: molar relation and facial index 4) oral function: bite force, lip pressure and the tongue pressure 5) sound: formant 6) breathing: respiratory rate, oxygen saturation, nasal resistance, tidal volume, SpO2, EtCO2 7) questionnaire 8) the number of S.mutans in the saliva 1.the number of Streptococcus 2.the number of S.mutans (S.sobrinus is included.) 3.the ratio of number of S.mutans to Streptococcus 4.the number of Lactobacillus | — |
Countries
Japan
Contacts
Public ContactKaori Ishii
Nihon University School of Dentistry at Matsudo Department of Orthodontics
Outcome results
None listed