Eruption rate of premolars following extraction of deciduous predecessors with pathologic root resorption and the related factors in healthy 5-9 years old healthy children. premature loss of primary teeth, pathologic root resorption, premature eruption of permanent teeth
Conditions
Interventions
Primary molars which are planned for extraction due to pathologic root resorption,The antimere primary molars which are intact
Diagnostic,Diagnostic
Experimental group,Control group
Sponsors
Faculty of Dentistry, Naresuan University
Graduate School, Naresuan University
Eligibility
Sex/Gender
All
Age
5 Years to 9 Years
Inclusion criteria
Inclusion criteria: 1. Healthy Thai children aged 5-9 years who are the patients of Dental hospital, Faculty of Dentistry, Naresuan University. 2. Children with the plan for extraction of the first or second primary molar due to the pathologic root resorption and the antimere tooth is intact.
Exclusion criteria
Exclusion criteria: 1. Children with systemic condition or syndrome, which affect the growth or development of craniofacial organ. 2. Children who have the treatment plan for interceptive or corrective orthodontic treatment. 3. Children who have the eruption disturbance of the first or second premolars or have any kind of dental anomalies. 4. Children or their caretakers refuse to be the volunteer in the study. 5. Children who cannot cooperate with the dental radiographic examination.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| rate of tooth eruption at 12 months after end of the observation millimeter/month | — |
Secondary
| Measure | Time frame |
|---|---|
| Related factor to the eruption of primary molars at 12 months after the end of observation Chi-square test | — |
Countries
Thailand
Contacts
Public ContactRuedee Sakulratchata
Faculty of Dentistry, Naresuan University
Outcome results
None listed