Exploring the Clinical Effect of Minimally Invasive Corticotomy-assisted Orthodontics on Adult Tooth Extraction Orthodontics
Objective To analyze the effect of minimally invasive corticotomy-assisted orthodontic treatment of adult patients with tooth extraction.Methods From September 2021 to August 2022,80 orthodontic patients with tooth ex-traction admitted to Quanzhou First Hospital Affiliated to Fujian Medical University were prospective randomly se-lected as the research objects.According to the difference of treatment methods,they were divided into groups,with 40 cases in each group.The observation group received minimally invasive corticotomy-assisted orthodontic treat-ment,and the control group received conventional tooth extraction orthodontic treatment.The time of dentition align-ment and leveling,the time of gap closure,the distance of maxillary second molar moving to the middle position,and the amount of root resorption were compared between the two groups.Results The time of dentition alignment and clearance closure in the observation group were shorter than those in the control group,and the differences were statis-tically significant(both P<0.05).The movement distance of the maxillary second molar to the middle position in the observation group was better than that in the control group at 1 month,2 months and 3 months after treatment,and the differences were statistically significant(all P<0.05).Before treatment,there was no significant difference in root resorption between the two groups(P>0.05).After 3 months of treatment,the root resorption of the observation group was(0.48±0.07)mm,which was lower than that of the control group(1.02±0.13)mm,and the difference was statisti-cally significant(t=23.131,P<0.05).Conclusion When minimally invasive corticotomy is applied to orthodontic treat-ment of adult tooth extraction,the time of dentition alignment and clearance closure is shorter,and the distance of maxillary second molar moving to the middle position is longer after treatment,and the root resorption was lower.
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