Investigation And Analysis On The Index And The Willingness To Treat Orthodontic Treatment Of Adolescents With Bad Incision In Zibo Area

Objective:To know the index of orthodontic treatment need(IOTN) of teenagers between 13 and18 on orthodontic treatment in Zibo district by a sampling investigation.And then study their opinion on teeth esthetics and the realization of their own need of orthodontic treatment, and analyze possible causes influenced orthodontic treatment.The resultswould provide a backup for the research of epidemiology and the propaganda of orthodontics, and an instruction for the precaution, clinical diagnoses,and the therapy of malocclusion.Methods:Under a stratified cluster sampling investigation method, 1023 teenagers between 13 and 18(male 527, female 496) were taken to take part in a clinical examination and a questionnaire survey. Unified investigation forms were filled out after a malocclusion examination by using tools like dental reflectors and others under naturallight quoting the dental health component(DHC) and the aesthetic component(AC) from indexof orthodontic treatment need as the criterion. Meanwhile a questionnaire survey was involved to reveal the realization and the will for dental care of the interviewees about their malocclusion. A full analysis of the records and the statistics of the investigation carried out by using SPSS13.0.Results:1、IOTN(1) DHCratingsStudents who don’t need orthodontic treatment are 528 which account for 51.6%in the total number according to DHC ratings. Students who need orthodontic treatment explicitly are 232, which account for 22.7% in the total number. There are no significant statistic differences in chi-square test on the number of people between different genders in the same level(p>0.05).(2) AC ratings Studentswho don’t need orthodontic treatment take up the largest number(619,60.6%) on the contrary to those who clearly do not need orthodontic treatment(69,6.7%). There are no significant statistic differences in chisquare test on the number of people between different genders in the same level(p>0.05).2、SAC rating Through statistics conclusions can be draw in SAC that subjects who don’t need orthodontic treatment account for the largest number(935, 91.3%), and those who clearly do not need account for a smaller number( 22, 2.2%). There are no significant statistic differences in chi-square test on the number of people between different genders in the same level(p>0.05).3、The analysis of the questionnaire results The Chi-square test on the need of orthodontic treatment focusing on the income and education level among different families showed that p is greater than 0.05 on the average. There are no significant statistical differences.Conclusion:1、there is a relative high demand for orthodontic treatment among teenagers in Zibo district but the patients’ subjective need is relative low.2、There is a close relation between the realization and the objective need of orthodontic treatment. A certain connection to gender may exist but there is no definite Connection to patients’ parents’ education level, profession, and income level.3、IOTN can be used as a new tool in the field of orthodontic treatment.