本文選題：牙種植　切入點：手術(shù)后并發(fā)癥　出處：《中國組織工程研究》2017年18期

【摘要】：背景:鄰接觸喪失作為一種發(fā)病率較高的后牙種植冠橋修復(fù)并發(fā)癥,其產(chǎn)生因素是多種多樣的,可能與年齡、牙位、咬合接觸、缺牙時間、是否進(jìn)行游離端修復(fù)等相關(guān)。目的:分析后牙種植冠橋修復(fù)的鄰接觸喪失狀況。方法:試驗為單中心、前瞻性、觀察性臨床試驗,在中國四川省,西南醫(yī)科大學(xué)附屬口腔醫(yī)院完成。選取2015年6月到2016年6月在南醫(yī)科大學(xué)附屬口腔醫(yī)院進(jìn)行治療的后牙種植冠橋修復(fù)患者82例,患者戴用修復(fù)體治療的時間在1-40個月,鄰接觸喪失被定義為厚度為30μm的鄰接觸檢查片或者牙線能夠無阻力通過檢測區(qū)域。通過單因素及多元相關(guān)分析,分析隨訪1,3,6個月后牙種植冠橋修復(fù)的鄰接觸喪失狀況。試驗方案經(jīng)西南醫(yī)科大學(xué)附屬口腔醫(yī)院倫理委員會批準(zhǔn),批準(zhǔn)號為2016024。臨床試驗研究的實施符合《赫爾辛基宣言》和醫(yī)院對人體研究的相關(guān)倫理要求。參與試驗的患病個體及其家屬為自愿參加,均對試驗過程完全知情同意,在充分了解治療方案的前提下簽署"知情同意書"。結(jié)果與結(jié)論:入選的82例患者175個臨接觸位點中,共發(fā)現(xiàn)41個鄰接觸區(qū)發(fā)生鄰接觸喪失,其中上頜20個,下頜21個,表明鄰接觸喪失與上下頜并無明顯關(guān)聯(lián)。單因素分析顯示,修復(fù)體戴用時間、修復(fù)前缺牙時間和游離端修復(fù)是影響并發(fā)癥發(fā)生的獨立影響因素(P0.05)。多元相關(guān)分析發(fā)現(xiàn)游離端修復(fù)以及修復(fù)前的缺牙時間太短是導(dǎo)致鄰接觸喪失發(fā)生的獨立影響因素。提示在進(jìn)行后牙種植冠橋修復(fù)時,應(yīng)考慮游離端修復(fù)及缺牙時間等相關(guān)因素,盡可能減少鄰接觸喪失的發(fā)生。
[Abstract]:Background: as a complication of implant crown and bridge restoration with high incidence, the adjacent contact loss may be related to age, tooth position, occlusal contact, tooth loss time and free end repair.Objective: to analyze the adjacent contact loss in the restoration of posterior teeth with implant crown and bridge.Methods: a single-center, prospective, observational clinical trial was conducted in the affiliated Stomatology Hospital of Southwest Medical University, Sichuan Province, China.From June 2015 to June 2016, 82 patients with posterior teeth implant crown and bridge prosthesis were treated at the affiliated Stomatological Hospital of Southern Medical University. The time of wearing prosthesis was 1-40 months.Adjacent contact loss is defined as a 30 渭 m thick adjacent contact inspection piece or dental floss that can pass through the detection area without resistance.By univariate and multivariate correlation analysis, the adjacent contact loss of dental implant crown and bridge restoration was analyzed after 1 and 6 months follow-up.The experimental program was approved by the Ethics Committee of the Stomatological Hospital affiliated to Southwest Medical University, approved as 201602424.The implementation of clinical trial research is in line with the Helsinki Declaration and the ethical requirements of human research in hospitals.The patients and their families who participated in the trial were all willing to take part in the experiment and signed the "informed consent" on the premise of full understanding of the treatment plan.Results and conclusion: among the 175 contact sites in 82 patients, 41 adjacent contact areas were found to be lost, including 20 maxillaries and 21 mandibles, indicating that there was no significant correlation between adjacent contact loss and upper and mandibular contact.Univariate analysis showed that the time of wear, the time of anterior tooth loss and the repair of free end were independent factors affecting the occurrence of complications (P 0.05).Multivariate correlation analysis showed that the free end repair and the short time of tooth loss before repair were independent factors that caused the loss of adjacent contact.It is suggested that the free end restoration and tooth loss time should be taken into account in the restoration of posterior implant crown and bridge, and the loss of adjacent contact should be minimized as far as possible.
【作者單位】： 西南醫(yī)科大學(xué)附屬口腔醫(yī)院口腔修復(fù)科;
【分類號】：R783.3

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