Analysis of factors associated with the stability of titanium alloy orthodontic mini-implants
Objective To investigate the factors associated with the stability of titanium alloy orthodontic mini-implants.Method A total of 1271 mini-implants that require implantation for orthodontic treatment in 2020-2021 were reviewed.Various characters were collected to investigate the correlation,including the patient age,gen-der,the plantation site of the mini-implants(maxilla,mandibular,buccal,platal,anterior,posterior),the brand of the mini-implants,the length and diameter of the mini-implants,oral hygiene,the dentist professional title(intern,resi-dent,fellow).The data was statistically analyzed using SPSS 26.0 software.Result Among 1271 titanium mini-implants,the number of loosening mini-implants was 69,with an overall failure rate of 5.34％.Univariate results showed that age,maxillary and mandibular teeth,anterior and posterior teeth,and oral hygiene had significant ef-fects on mini-implants loosening(P＜0.05).While gender,the plantation site of the mini-implants(buccal,platal),the brand of the mini-implants,the length of the mini-implants,the diameter of the mini-implants,the dentist profes-sional title had no significant effects on mini-implants loosening(P＞0.05).The results of logistic regression analysis showed that anterior and posterior teeth,maxillary and mandibular and oral hygiene were independent influencing factors of mini-implants loosening.The patient age,gender,the plantation site of the mini-implants,the brand of the mini-implants,the length and diameter of the mini-implants,the dentist professional title were not independent influencing factors of mini-implants loosening.Conclusions The patient's age,implant site in the upper or lower jaw,implant site in the anterior and posterior,and oral hygiene of the patient were correlated with the mini-implants resistance stability,whereas the correlation with other factors was not significant.
万方数据
维普
