中华口腔正畸学杂志
中華口腔正畸學雜誌
중화구강정기학잡지
CHINESE JOURNAL OF ORTHODONTICS
2014年
2期
82-86
,共5页
武霞%袁东辉%李仲影%李娜
武霞%袁東輝%李仲影%李娜
무하%원동휘%리중영%리나
上中切牙%牙外伤%正畸治疗%拔牙模式
上中切牙%牙外傷%正畸治療%拔牙模式
상중절아%아외상%정기치료%발아모식
Maxillary central incisor%Dental trauma%Orthodontic treatment%Extraction
目的 探讨正畸拔除上颌单侧中切牙矫治模式的可行性及临床治疗的要点.方法 从40例切牙外伤正畸病例中,选出患者19例.其中安氏Ⅰ类错(牙合)10例,安氏Ⅱ类错(牙合)7例,安氏Ⅲ类错(牙合)2例;男16例,女3例,平均年龄14.5岁,均存在牙量与骨量不调需拔牙矫治病例.所有患者采取拔除外伤中切牙及其它三个象限第一前磨牙模式进行矫治.矫治后对临床资料做回顾性的研究,并进行临床疗效评价.结果 19例患者均取得较好的治疗效果,矫治后拔牙间隙关闭,前牙覆(牙合)覆盖正常,中线基本正中,侧貌得到改善.采用治疗前后配对t检验方法,发现牙性指标4项:U1-NA(27.5°至23.3°)、L1-NB(36.4°至32.5°)、L1-MP(97.2°至93.5°)角度减少,表示上下中切牙的倾斜度减小,U1-L1(11.83°至124.4°)角度增加,表示上下中切牙的凸度减少;软组织指标2项:上唇凸点-E线距(Ls-E)从3.5mm减小到1.2mm、下唇凸点-E线距(Li-E)从4.1mm减少到1.5mm,差异均有统计学意义(P＜0.05).结论 遵循个体化原则,用Bolton指数指导设计和有效支抗控制,非常规拔牙模式矫治,能够达到预期目的.
目的 探討正畸拔除上頜單側中切牙矯治模式的可行性及臨床治療的要點.方法 從40例切牙外傷正畸病例中,選齣患者19例.其中安氏Ⅰ類錯(牙閤)10例,安氏Ⅱ類錯(牙閤)7例,安氏Ⅲ類錯(牙閤)2例;男16例,女3例,平均年齡14.5歲,均存在牙量與骨量不調需拔牙矯治病例.所有患者採取拔除外傷中切牙及其它三箇象限第一前磨牙模式進行矯治.矯治後對臨床資料做迴顧性的研究,併進行臨床療效評價.結果 19例患者均取得較好的治療效果,矯治後拔牙間隙關閉,前牙覆(牙閤)覆蓋正常,中線基本正中,側貌得到改善.採用治療前後配對t檢驗方法,髮現牙性指標4項:U1-NA(27.5°至23.3°)、L1-NB(36.4°至32.5°)、L1-MP(97.2°至93.5°)角度減少,錶示上下中切牙的傾斜度減小,U1-L1(11.83°至124.4°)角度增加,錶示上下中切牙的凸度減少;軟組織指標2項:上脣凸點-E線距(Ls-E)從3.5mm減小到1.2mm、下脣凸點-E線距(Li-E)從4.1mm減少到1.5mm,差異均有統計學意義(P＜0.05).結論 遵循箇體化原則,用Bolton指數指導設計和有效支抗控製,非常規拔牙模式矯治,能夠達到預期目的.
목적 탐토정기발제상합단측중절아교치모식적가행성급림상치료적요점.방법 종40례절아외상정기병례중,선출환자19례.기중안씨Ⅰ류착(아합)10례,안씨Ⅱ류착(아합)7례,안씨Ⅲ류착(아합)2례;남16례,녀3례,평균년령14.5세,균존재아량여골량불조수발아교치병례.소유환자채취발제외상중절아급기타삼개상한제일전마아모식진행교치.교치후대림상자료주회고성적연구,병진행림상료효평개.결과 19례환자균취득교호적치료효과,교치후발아간극관폐,전아복(아합)복개정상,중선기본정중,측모득도개선.채용치료전후배대t검험방법,발현아성지표4항:U1-NA(27.5°지23.3°)、L1-NB(36.4°지32.5°)、L1-MP(97.2°지93.5°)각도감소,표시상하중절아적경사도감소,U1-L1(11.83°지124.4°)각도증가,표시상하중절아적철도감소;연조직지표2항:상진철점-E선거(Ls-E)종3.5mm감소도1.2mm、하진철점-E선거(Li-E)종4.1mm감소도1.5mm,차이균유통계학의의(P＜0.05).결론 준순개체화원칙,용Bolton지수지도설계화유효지항공제,비상규발아모식교치,능구체도예기목적.
Objective To explore the feasibility and key treatment points of orthodontic extraction of unilateral traumatized maxillary central incisors.Methods 19 patients (mean age 14.5 years old,16 males and 3 females) from 40 central incisor trauma cases were selected.10 of them were Angle Class Ⅰ malocclusion,7 were Class Ⅱ,and the other 2 were Angle Class Ⅱ malocclusion.All patients were treated by extraction of the traumatized central incisor and the first premolars in the other three quadrants.Pre and Post treatment analysis and comparisons were done.Results All 19 cases achieved satisfied outcomes.Extraction spaces were closed,the overject and overbite were normal,midlines were almost on,and the profiles were improved.Paired t test showed statistically significantdifferences in 4 dental indices.U1-NA° (from 27.5 to 23.3)L1-NB° (from 36.4 to 32.5) and L1-MP° (from 97.2 to 93.5) decreased,indicating a decrease of central incisor angulation,while U1-L1° (from 11.83 to 124.4) increased,indicating a decrease in incisor protrusion.For 2 soft tissue indices,statistically significant differences were also found.Ls-E (from 3.5 to 1.2 mm) and Li-E (from 4.1 to 1.5 mm) both decreased.Conclusions Individual treatment plan based on Bolton index analysis and effective anchorage control,the unconventional extraction plan could receive desired treatment outcome.
