Application of CBCT to Evaluate the Clinical Effect of Open and Closed Traction Correction for Maxillary Buried Inverted Curved Central Incisors
Objective To analyze the clinical effects of open and closed traction correction for maxillary buried inverted curved central incisors,and evaluate the advantages and disadvantages of the two methods using cone beam CT(CBCT).Methods A total of 60 patients with maxillary embedded inverted curved central incisors who were treated in our hospital from February 2017 to February 2022 were selected as the study subjects.They were randomly divided into an open group and a closed group with 30 cases each,using open and closed traction orthodontic methods for orthodontic treatment.Compare the treatment effects of two groups,using CBCT to detect the root length,crown root ratio,heel wall thickness,and root wall thickness before and after treatment,and record the changes in chewing efficiency,chewing pain,and dental aesthetic effects,and calculate postoperative infection rate.Results There was no statistically significant difference in the total effective rate between the open group and the closed group(P＞0.05).After treatment,the root length and heel wall thickness of the two groups increased,the crown root ratio decreased,and the chewing efficiency increased.VAS score and PES score both decreased,with the closed group showing the most significant changes(all P＜0.05),and there was no statistically significant difference in the WES score(P＞0.05).There was no significant difference in postoperative infection rate between the two groups(P＞0.05).Conclusion The clinical effects of open and closed traction in the treatment of maxillary embedded inverted curved central incisors are comparable,with closed traction being more advantageous in increasing root length,reducing crown root ratio and heel wall thickness,restoring chewing function,and improving dental aesthetics.
万方数据
维普
