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埋伏阻生第三磨牙致邻牙牙根外吸收的预后

Prognostic observation of adjacent tooth external root resorption caused by impacted third molars

来源期刊: 广州医药 | 1074-1079 发布时间:2025-08-20 收稿时间:2025/9/22 14:35:39 阅读量:25
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关键词:
埋伏牙阻生第三磨牙牙根外吸收
impacted teethimpacted third molarexternal root resorption
DOI:
10. 20223 / j. cnki. 1000-8535. 2025. 08. 009
收稿时间:
2024-05-20 
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      目的    分析拔除导致邻牙牙根外吸收(ERR)的埋伏阻生第三磨牙后ERR患牙的预后情况及影响因素。方法   对32例埋伏阻生第三磨牙挤压致ERR的患牙,在拔除阻生第三磨牙后,通过临床症状、电活力测试观察第二磨牙牙髓的预后,根据其预后不同,分为保髓成功组及保髓失败组,比较两组的基本信息(年龄、性别)、患牙部位、牙根吸收类型,分析影响ERR患牙预后的相关因素。结果   下颌ERR患牙保髓成功率(91.67%)高于上颌ERR患牙(62.50%)P=0.085),牙根吸收未及髓腔的患牙保髓成功率(100%)高于牙根吸收及髓腔的患牙(70.59%)(P=0.046),两组间的基本信息比较差异无统计学意义(P>0.05)。结论   当患牙牙根吸收未及牙髓时或患牙位于下颌时,拔除埋伏第三磨牙后ERR患牙预后相对良好,故应尽早拔除已导致ERR发生的埋伏阻生第三磨牙。
       Objective  To analyze the prognosis and influencing factors of external root resorption(ERR)of adjacent teeth after the removal of impacted third molar that caused ERR.Methods  Thirty-two cases of impacted third molars with external root resorption caused by compression were treated.After the extraction of the impacted third molars,the prognosis of the pulp of the second molars was observed through clinical symptoms and electrical activity tests.According to their different prognoses,they were divided into a successful pulp preservation group and a failed pulp preservation group.The basic information(age,gender),affected tooth location,and root resorption type of the two groups were compared,and the relevant factors affecting the prognosis of ERR patients were analyzed.Results  The success rate of pulp preservation for mandibular ERR patients(91.67%)was higher than that for maxillary ERR patients(62.50%)(P=0.085),and the success rate of pulp preservation for ERR not involving pulp cavity(100%)was higher than that for ERR involving pulp cavity(70.59%)(P=0.046).There was no significant difference in basic information between the two groups(P>0.05).Conclusions  When the root resorption of the affected tooth does not reach the pulp or when the affected tooth is located in the lower jaw,the prognosis of the affected tooth after the impacted third molar removed is good.Therefore,the impacted third molar should be removed as soon as possible to prevent ERR from occurring.
        第三磨牙位于牙列末端,常因颌骨空间不足表现为阻生牙,阻生程度严重时可完全埋伏于上下颌骨内。埋伏的阻生牙因与口腔环境隔绝,较少发生食物嵌塞及冠周炎,通常没有明显症状而容易被人忽视。但部分埋伏阻生第三磨牙仍会对邻牙造成不良影响,常有发现埋伏阻生牙导致邻牙牙根外吸收(external root resorption,ERR),牙根发生吸收早期通常无明显自觉症状,但当牙根吸收严重时出现明显咬合痛等根尖周炎表现时则会使得第二磨牙预后变差,难以保留而被拔除[1]通常没有症状的ERR只能通过影像学检查发现,CBCT(Cone beam CT)是明确诊断的重要证据,全景片上见到的阻生第三磨牙与第二磨牙牙根重叠的影像也是ERR重要的风险因素[2]。埋伏阻生牙导致邻牙ERR的主要原因是阻生牙牙冠对其邻牙牙根的正压力,因此治疗ERR的主要手段仍是及早去除致病因素[3]。当口腔影像学检查发现或怀疑埋伏阻生牙致邻牙牙根病理性吸收时,进一步检查明确诊断,诊断明确时应及早进行干预,拔除第三磨牙解除其对邻牙牙根的压迫,对于保留第二磨牙及其预后至关重要[4]。所以本课题组收集无牙髓炎、根尖周炎的ERR患牙,在拔除阻生第三磨牙后,观察ERR邻牙预后,明确其与ERR形态、部位之间的关系,为临床医师在术前对于不同ERR类型的邻牙预后提供初步的判断和参考依据。

1  资料与方法

1.1  一般资料

        选取2019年7月—2023年7月于中山大学附属第三医院口腔颌面外科就诊检查,并拍摄曲面体层、CBCT后发现埋伏第三磨牙导致ERR的32颗患牙。
       纳入标准:(1)埋伏阻生第三磨牙导致第二磨牙ERR;(2)第二磨牙无牙髓炎、根尖周炎、牙周炎等症状,牙髓电活力测试正常;(3)手术方案为拔除埋伏阻生第三磨牙,保留第二磨牙。排除标准:(1)第二磨牙牙根吸收严重、牙根出现根折等不可保留的情况;(2)第二磨牙远中无深牙周袋及食物嵌塞史(排除细菌源性的龋坏);(3)ERR处存在肿瘤、骨折情况。
       根据术后ERR患牙预后不同,分为保髓成功组(拔除埋伏第三磨牙后,ERR邻牙牙髓活力正常,无炎症表现)和保髓失败组(拔除埋伏第三磨牙后,ERR邻牙牙髓变性、坏死,出现牙髓炎或根尖炎炎症表现)。根据牙根吸收形态将牙根吸收类型分为牙根吸收且未及髓腔(A类)、牙根吸收且及髓腔(B类)。
       本研究方案通过医院伦理委员会审批(伦理批件号:中大附三医伦Ⅱ2024-218-01),患者均获知情同意并签署知情同意书。

1.2  手术方法

       经阿替卡因下牙槽神经阻滞麻醉及局部浸润麻醉后,口内及颌面部消毒铺巾,生理盐水冲洗盲袋及口腔。下颌第二磨牙远中牙龈处切开,于第二磨牙近中轴角处增加垂直切口,角形翻瓣暴露术区; 涡轮手机去骨后暴露埋伏牙,保存第二磨牙颊侧、远中骨质,分根去除阻力后拔除阻生第三磨牙,拔除埋伏较深患牙采用“牙根先脱位法”[5],对于上颌埋伏第三磨牙则翻瓣后去骨暴露牙冠,完整挺出患牙;拔除过程中避免对第二磨牙牙根产生压力,轻搔刮取出第三磨牙牙囊组织,生理盐水冲洗创口,缝合伤口;常规使用抗感染、糖皮质激素、止痛药物3~5 d,术后1周拆线。

1.3  对于邻牙预后的观察

       拔除埋伏阻生第三磨牙术后1周、4~6周复诊进行临床检查及牙髓电活力测试,检查术后第二磨牙牙髓活力状态。(1)临床检查:问诊患者是否存在自发痛、冷热刺激痛史,检查松动度、叩痛。(2)牙髓活力测试:采用牙髓电活力测试方法检测第二磨牙的牙髓活力。若牙髓电活力正常,无牙髓炎、根尖周炎症状,则视为保髓成功;若出现牙髓活力丧失或牙髓炎、根尖周炎症状时,视作保存第二磨牙活髓失败,视情况进行根管治疗或拔除。

1.4  统计学分析

       使用SPSS 17.0 软件进行统计分析,两独立样本均数比较采用t检验进行比较,以来表示,两组样本的率或构成比采用χ 2 检验及Fisher确切概率法进行比较,检验水准α=0.05。

2  结 果

2.1  病例基本情况

       29例患者共计32牙,其中男15例(17牙)、女14例(15牙);按年龄段分类:20~29岁16例;30~39岁10例;40~49岁3例。下颌阻生24牙,上颌阻生8牙。按吸收类型分类牙根吸收未及髓(图1)、牙根吸收及髓(图2),分别为15、17牙。
20250922150151_0596.png       20250922150214_2569.png

2.2  上颌、下颌的第三磨牙阻生类型及ERR吸收形态

       导致ERR的上颌与下颌的埋伏阻生第三磨牙阻生类型分布见表1,上颌ERR患牙共8牙,未吸收及髓的3牙,吸收及髓5牙,下颌ERR患牙共24牙,未吸收及髓的12牙,吸收及髓12牙;两者的分布类型存在虽然存在差异,但组间比较差异无统计学意义(P>0.05),其中上颌埋伏阻生牙均表现为近中阻生及垂直阻生的形态,而下颌埋伏阻生牙则均为水平阻生及近中阻生类型。下颌第二磨牙ERR吸收形态多表现为根侧吸收,而上颌第二磨牙牙根病理性吸收常表现为根尖区“截根样”吸收(图3)。

表1 上下颌ERR患牙的吸收分布情况

组别

牙根吸收未及髓腔(A类)

(n=15)

牙根吸收及髓腔(B类)

(n=17)

上颌[n(%)]

3(37.5)

5(62.5)

下颌[n(%)]

12(50.0)

12(50.0)

c²

 

 

0.376

P

 

 

0.539

20250922150325_0967.png
图 3   上颌第二磨牙牙根截根样吸收

2.3  ERR患牙预后观察

      上颌与下颌ERR患牙在拔除埋伏阻生第三磨牙后观察ERR邻牙预后,其中共有5颗牙术后因反复自发痛、咬物疼痛不适的症状或牙髓电活力丧失而行根管治疗。多数病例中拔除阻生第三磨牙后第二磨牙都存在暂时性的叩诊疼痛或自发痛的情况,但在4~6周后复诊时大部分ERR患牙症状都减轻或消失。下颌22颗ERR患牙(91.7%)术后成功保存活髓,较上颌5颗ERR患牙(62.5%)术后保存活髓的成功率高,但P>0.05,无统计学差异。A类ERR患牙保存活髓成功率(100.0%)较B类患牙术后保存活髓成功率(70.6%)高(P<0.05),而保髓成功组与保髓失败组中性别、年龄比较差异无统计学意义(P>0.05),见表2。牙根吸收且未及髓腔(A类)的15例患牙术后均保髓成功。

表2 影响ERR患牙预后的相关因素

组别

保髓成功(n=27)

保髓失败 (n=5)

t/c²

P

性别(男/女)/例

15/12

2/3

0.410

0.522

年龄/岁

30.88±7.63

31.80±6.53

0.250

0.801

ERR患牙位置[n(%)]

 

 

3.872

0.085

上颌

5(62.50)

3(37.50)

 

 

下颌

22(91.67)

2(8.33)

 

 

ERR类型[n(%)]

 

 

5.229

0.046

A类(吸收未及髓腔)

15(100.00)

0(0.00)

 

 

B类(吸收及髓腔)

12(70.59)

5(29.41)

 

 

3  讨 论

       牙根吸收的病理过程包含两个阶段:牙根保护组织的机械或化学损伤以及感染或压力的持续刺激[6]。阻生牙或肿瘤的压迫、牙外伤[7]、手术创伤均可导致牙周膜组织的创伤。根尖周炎、牙周炎造成的慢性感染,以及机械力的持续压迫刺激,比如阻生牙、囊肿及肿瘤压迫牙根[8],正畸治疗牵引移动牙根[9-10],其中阻生牙导致邻牙牙根吸收的位置多发生在第三磨牙区,也偶然见于埋伏阻生尖牙导致邻牙吸收[11]。有学者认为在这些因素持续作用下会引发炎症反应,诱导增强相关的促炎细胞因子如肿瘤坏死因子、诱导型一氧化氮合酶、M1激活因子干扰素-γ、M2激活因子白介素-4和M2相关的抗炎白介素-10的表达,激活破骨细胞形成的信号通路,最终导致ERR的发生[12-13]。也有学者认为,牙周组织受到力量压迫过程中,当压力超出毛细血管所承受限度时会导致局部牙周膜缺血性坏死,激活核因子κB受体活化因子配体(receptor activator of nuclear factor-κB ligand,RANKL)信号通路,促使破牙细胞形成,加之炎症细胞与炎症细胞因子破坏了根外非矿化层保护屏障,引发牙根吸收[14]。而当ERR发生时,基本治疗原则是及时止损、保存患牙,去除刺激因素及炎性组织,避免牙根吸收进一步加[3]
       本次研究发现,上下颌阻生第三磨牙的位置会导致不同牙根吸收类型,这是因为上颌阻生第三磨牙高位阻生时多表现为近中或垂直阻生,其长轴与第二磨牙长轴夹角较小,容易导致根尖水平吸收或根侧吸收;导致ERR的下颌第三磨牙常为近中或水平阻生牙,牙冠与第二磨牙牙根夹角大,常导致第二磨牙远中根根侧的吸收,当第三磨牙极低位阻生,牙冠压迫点位于邻牙根尖区,也有可能导致邻牙根尖吸收。
        多数研究表明,第二磨牙ERR的发生与下颌第三磨牙的阻生角度显著相关,近中及水平阻生为重要致病因素[15-18]。下颌阻生第三磨牙与第二磨牙长轴成形倾斜角度在44.07°~68.01°与ERR风险增加相关[16]。而在上颌阻生第三磨牙中,倾斜角度在16°~75°引起上颌m2ERR的可能性是这个范围之外角度的9.66倍。另外有学者研究发现,当上颌第三磨牙牙冠接触于邻牙牙根的根中段和根尖段,更易引起邻牙ERR[19],其发生率分别达73.7%和60.6%。CBCT检查精确的多层面、三维重建成像能够精准定位埋伏牙及其与邻牙之间的关[20],目前是临床上诊断ERR的重要方法。尤其是全景上观察到第三磨牙牙冠与邻牙牙根影像重叠,这提示了可能存在邻牙ERR的发生[2],及时进行CBCT检查能更灵敏地发现早期或轻微的ERR[21]当检查发现ERR发生时,应及时拔除阻生第三磨牙,解除其对第二磨牙的机械压力,缓解炎症进展的速度[22]
       关于发生ERR的第二磨牙预后,不同研究的结果均提示其预后相对良好,但其影响因素仍在研究中。有学者研究发现,ERR邻牙的预后与患者年龄相关,30岁以下病例中保存ERR术后均保髓成功,而超过40岁的患者,发生术后牙髓炎或牙髓坏死的概率为36%;另有学者研究则发现,男性发生埋伏阻生牙导致邻牙ERR发生的概率较女性高[18];也有学者认为,ERR患牙预后总体较好,与性别、牙根数量、牙根吸收类型、牙根吸收程度无关[23]。其他的病例报道也表明EER邻牙在拔除病源牙后预后通常预后良好,在长期随访观察中也无需进一步处理ERR患牙[4]
       从本研究来看,术前无牙髓症状的ERR患牙在拔除阻生第三磨牙后发生牙髓症状的概率相对较低(15.6%),术后无需预防性行根管治疗,定期随访检查即可,在出现牙髓炎或牙髓坏死表现时才考虑行根管治疗。但我们观察到ERR邻牙预后与不同牙根吸收类型以及ERR患牙的位置有相关性,与年龄、性别因素无明显相关性。当ERR波及髓腔或根尖区时,有一定概率出现术后牙髓炎或牙髓坏死(29.4%);而ERR仅发生于根侧未及牙髓的病例则术后均保髓成功,未出现牙髓炎或牙髓坏死(0%)。这可能是因为拔牙术中摘除埋伏第三磨牙牙囊组织时可能会对暴露的牙髓组织的血供造成影响,导致其术后的牙髓坏死或牙髓炎;术后口腔内食物残渣、细菌也可能进入拔牙创导致ERR牙髓感染。手术中尤其是拔除牙冠的操作应尽量避免对邻牙造成影响,对于下颌埋伏阻生第三磨牙采用牙根先脱位法[5],使牙冠的取出变得相对简单微创;术中需遵循无菌原则,术后清创彻底避免碎片异物导致术后感染,术后通常建议严密缝合创口,尽量关闭第二磨牙远中牙周深袋,避免食物嵌入拔牙创且有利于ERR患牙远中深牙周袋的骨性愈合。本研究中,上颌ERR患牙预后相对下颌ERR患牙预后差,考虑原因为导致邻牙ERR的埋伏上颌阻生第三磨牙位置通常为近中或垂直高位[19,24],导致邻牙ERR表现为“截根样”吸收,常波及髓腔;而且上颌高位垂直或近中阻生患牙拔除时通常采用颊侧开窗去骨后拔除患牙。而研究发现第二磨牙是与上颌窦关系最为密切的上颌牙齿,89%的第二磨牙牙根都与上颌窦接触[25]。上颌ERR病例中影响ERR预后相对下颌较差,保髓成功率较低,推测可能是由于上颌第二磨牙ERR部位、埋伏阻生第三磨牙拔牙创、上颌窦相连通,不同于下颌第二磨牙ERR部位术后相对封闭的环境,上颌第二磨牙ERR部位愈合时血供不佳、上颌窦内的慢性炎症等都可能会导致ERR患牙牙髓感染或牙髓坏死,使得上颌ERR患牙术后保存活髓成功率较下颌ERR患牙低。本实验的不足之处在于样本量相对较少,这是由于能早期诊断为埋伏阻生牙导致邻牙发生ERR的情况临床上并不多见,因早期阶段患者本身无自觉症状,能接受拔除难度较大的埋伏阻生牙的患者则更少,影响ERR患牙预后的因素仍需长期的观察研究。
        综上所述,当第二磨牙牙根吸收未及牙髓时,拔除埋伏第三磨牙后ERR患牙预后良好,若牙根吸收及髓,拔除埋伏阻生第三磨牙后ERR患牙有一定概率出现牙髓炎或根尖周炎,其中下颌ERR患牙术后牙髓坏死或炎症概率较低,而上颌ERR患牙预后则相对更差;故应尽早拔除CBCT可见已导致ERR发生的埋伏阻生第三磨牙,以尽可能保存第二磨牙活髓。
1、PATEL%E2%80%83S%EF%BC%8CSABERI%E2%80%83N%EF%BC%8CPIMENTAL%E2%80%83T%EF%BC%8Cet%E2%80%83al%EF%BC%8EPresent%E2%80%83%0Astatus%E2%80%83and%E2%80%83future%E2%80%83directions%EF%BC%9ARoot%E2%80%83resorption%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0AInt%E2%80%83Endod%E2%80%83J%EF%BC%8C2022%EF%BC%8C55%EF%BC%88Suppl%E2%80%834%EF%BC%89%EF%BC%9A892-921%EF%BC%8EPATEL%E2%80%83S%EF%BC%8CSABERI%E2%80%83N%EF%BC%8CPIMENTAL%E2%80%83T%EF%BC%8Cet%E2%80%83al%EF%BC%8EPresent%E2%80%83%0Astatus%E2%80%83and%E2%80%83future%E2%80%83directions%EF%BC%9ARoot%E2%80%83resorption%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0AInt%E2%80%83Endod%E2%80%83J%EF%BC%8C2022%EF%BC%8C55%EF%BC%88Suppl%E2%80%834%EF%BC%89%EF%BC%9A892-921%EF%BC%8E
2、CHOI%E2%80%83J%EF%BC%8ERisk%E2%80%83factors%E2%80%83for%E2%80%83external%E2%80%83%20root%E2%80%83%20resorption%E2%80%83of%E2%80%83%0Amaxillary%E2%80%83second%E2%80%83molars%E2%80%83associated%E2%80%83with%E2%80%83third%E2%80%83molars%0A%EF%BC%BBJ%EF%BC%BD%EF%BC%8EImaging%E2%80%83Sci%E2%80%83Dent%EF%BC%8C2022%EF%BC%8C52%EF%BC%883%EF%BC%89%EF%BC%9A289-%0A294%EF%BC%8ECHOI%E2%80%83J%EF%BC%8ERisk%E2%80%83factors%E2%80%83for%E2%80%83external%E2%80%83%20root%E2%80%83%20resorption%E2%80%83of%E2%80%83%0Amaxillary%E2%80%83second%E2%80%83molars%E2%80%83associated%E2%80%83with%E2%80%83third%E2%80%83molars%0A%EF%BC%BBJ%EF%BC%BD%EF%BC%8EImaging%E2%80%83Sci%E2%80%83Dent%EF%BC%8C2022%EF%BC%8C52%EF%BC%883%EF%BC%89%EF%BC%9A289-%0A294%EF%BC%8E
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4、QU%E2%80%83T%EF%BC%8CLAI%E2%80%83Y%EF%BC%8CLUO%E2%80%83Y%EF%BC%8Cet%E2%80%83al%EF%BC%8EPrognosis%E2%80%83of%E2%80%83%20second%E2%80%83%0Amolars%E2%80%83with%E2%80%83external%E2%80%83root%E2%80%83resorption%E2%80%83caused%E2%80%83by%E2%80%83adjacent%E2%80%83%0Aembedded%E2%80%83third%E2%80%83molars%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Endod%EF%BC%8C2022%EF%BC%8C48%0A%EF%BC%889%EF%BC%89%EF%BC%9A1113-1120%EF%BC%8EQU%E2%80%83T%EF%BC%8CLAI%E2%80%83Y%EF%BC%8CLUO%E2%80%83Y%EF%BC%8Cet%E2%80%83al%EF%BC%8EPrognosis%E2%80%83of%E2%80%83%20second%E2%80%83%0Amolars%E2%80%83with%E2%80%83external%E2%80%83root%E2%80%83resorption%E2%80%83caused%E2%80%83by%E2%80%83adjacent%E2%80%83%0Aembedded%E2%80%83third%E2%80%83molars%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Endod%EF%BC%8C2022%EF%BC%8C48%0A%EF%BC%889%EF%BC%89%EF%BC%9A1113-1120%EF%BC%8E
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6、FUSS%E2%80%83Z%EF%BC%8CTSESIS%E2%80%83I%EF%BC%8CLIN%E2%80%83S%EF%BC%8ERoot%E2%80%83resorption%EF%BC%9A%0ADiagnosis%EF%BC%8Cclassification%E2%80%83and%E2%80%83treatment%E2%80%83choices%E2%80%83based%E2%80%83%0Aon%E2%80%83stimulation%E2%80%83factors%EF%BC%BBJ%EF%BC%BD%EF%BC%8EDent%E2%80%83Traumatol%EF%BC%8C2003%EF%BC%8C%0A19%EF%BC%884%EF%BC%89%EF%BC%9A175-182%EF%BC%8EFUSS%E2%80%83Z%EF%BC%8CTSESIS%E2%80%83I%EF%BC%8CLIN%E2%80%83S%EF%BC%8ERoot%E2%80%83resorption%EF%BC%9A%0ADiagnosis%EF%BC%8Cclassification%E2%80%83and%E2%80%83treatment%E2%80%83choices%E2%80%83based%E2%80%83%0Aon%E2%80%83stimulation%E2%80%83factors%EF%BC%BBJ%EF%BC%BD%EF%BC%8EDent%E2%80%83Traumatol%EF%BC%8C2003%EF%BC%8C%0A19%EF%BC%884%EF%BC%89%EF%BC%9A175-182%EF%BC%8E
7、DING%E2%80%83Z%EF%BC%8CWANG%E2%80%83A%EF%BC%8CLIU%E2%80%83Y%EF%BC%8Cet%E2%80%83al%EF%BC%8EPhysiological%E2%80%83%0Aocclusal%E2%80%83force%E2%80%83attenuates%E2%80%83replacement%E2%80%83root%E2%80%83resorption%E2%80%83of%E2%80%83%0Areplanted%E2%80%83teeth%EF%BC%9AAn%E2%80%83experimental%E2%80%83animal%E2%80%83study%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0ABMC%E2%80%83Oral%E2%80%83Health%EF%BC%8C2024%EF%BC%8C24%EF%BC%881%EF%BC%89%EF%BC%9A658%EF%BC%8EDING%E2%80%83Z%EF%BC%8CWANG%E2%80%83A%EF%BC%8CLIU%E2%80%83Y%EF%BC%8Cet%E2%80%83al%EF%BC%8EPhysiological%E2%80%83%0Aocclusal%E2%80%83force%E2%80%83attenuates%E2%80%83replacement%E2%80%83root%E2%80%83resorption%E2%80%83of%E2%80%83%0Areplanted%E2%80%83teeth%EF%BC%9AAn%E2%80%83experimental%E2%80%83animal%E2%80%83study%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0ABMC%E2%80%83Oral%E2%80%83Health%EF%BC%8C2024%EF%BC%8C24%EF%BC%881%EF%BC%89%EF%BC%9A658%EF%BC%8E
8、ZHANG%E2%80%83J%EF%BC%8CZHANG%E2%80%83K%EF%BC%8CZHOU%E2%80%83X%EF%BC%8Cet%E2%80%83al%EF%BC%8EFull%E2%80%83%0Alife%E2%80%83cycle%E2%80%83changes%E2%80%83of%E2%80%83low%E2%80%83impacted%E2%80%83mandibular%E2%80%83third%E2%80%83%0Amolar%E2%80%83associated%E2%80%83cystic%E2%80%83lesions%E2%80%83and%E2%80%83adjacent%E2%80%83tooth%E2%80%83%20root%E2%80%83%0Aresorption%EF%BC%9AA%E2%80%83retrospective%E2%80%83study%EF%BC%BBJ%EF%BC%BD%EF%BC%8EBMC%E2%80%83Oral%E2%80%83%0AHealth%EF%BC%8C2024%EF%BC%8C24%EF%BC%881%EF%BC%89%EF%BC%9A515%EF%BC%8EZHANG%E2%80%83J%EF%BC%8CZHANG%E2%80%83K%EF%BC%8CZHOU%E2%80%83X%EF%BC%8Cet%E2%80%83al%EF%BC%8EFull%E2%80%83%0Alife%E2%80%83cycle%E2%80%83changes%E2%80%83of%E2%80%83low%E2%80%83impacted%E2%80%83mandibular%E2%80%83third%E2%80%83%0Amolar%E2%80%83associated%E2%80%83cystic%E2%80%83lesions%E2%80%83and%E2%80%83adjacent%E2%80%83tooth%E2%80%83%20root%E2%80%83%0Aresorption%EF%BC%9AA%E2%80%83retrospective%E2%80%83study%EF%BC%BBJ%EF%BC%BD%EF%BC%8EBMC%E2%80%83Oral%E2%80%83%0AHealth%EF%BC%8C2024%EF%BC%8C24%EF%BC%881%EF%BC%89%EF%BC%9A515%EF%BC%8E
9、兰韶颖,师静蕊.上颌唇侧倒置埋伏中切牙患者正畸矫治后埋伏牙发生及牙根吸收的影响因素[J].广州医药,2023,54(1):91-94.兰韶颖,师静蕊.上颌唇侧倒置埋伏中切牙患者正畸矫治后埋伏牙发生及牙根吸收的影响因素[J].广州医药,2023,54(1):91-94.
10、ARIIZUMI%E2%80%83D%EF%BC%8CSAKAMOTO%E2%80%83T%EF%BC%8CYAMAMOTO%E2%80%83M%EF%BC%8C%0Aet%E2%80%83al%EF%BC%8EExternal%E2%80%83root%E2%80%83resorption%E2%80%83of%E2%80%83second%E2%80%83molars%E2%80%83due%E2%80%83to%E2%80%83%0Aimpacted%E2%80%83mandibular%E2%80%83third%E2%80%83molars%E2%80%83during%E2%80%83orthodontic%E2%80%83%0Aretention%EF%BC%BBJ%EF%BC%BD%EF%BC%8EBull%E2%80%83Tokyo%E2%80%83Dent%E2%80%83Coll%EF%BC%8C2022%EF%BC%8C63%0A%EF%BC%883%EF%BC%89%EF%BC%9A129-138%EF%BC%8EARIIZUMI%E2%80%83D%EF%BC%8CSAKAMOTO%E2%80%83T%EF%BC%8CYAMAMOTO%E2%80%83M%EF%BC%8C%0Aet%E2%80%83al%EF%BC%8EExternal%E2%80%83root%E2%80%83resorption%E2%80%83of%E2%80%83second%E2%80%83molars%E2%80%83due%E2%80%83to%E2%80%83%0Aimpacted%E2%80%83mandibular%E2%80%83third%E2%80%83molars%E2%80%83during%E2%80%83orthodontic%E2%80%83%0Aretention%EF%BC%BBJ%EF%BC%BD%EF%BC%8EBull%E2%80%83Tokyo%E2%80%83Dent%E2%80%83Coll%EF%BC%8C2022%EF%BC%8C63%0A%EF%BC%883%EF%BC%89%EF%BC%9A129-138%EF%BC%8E
11、RAZEGHINEJAD%E2%80%83M%E2%80%83H%EF%BC%8CBARDAL%E2%80%83R%EF%BC%8CSHAHI%E2%80%83S%EF%BC%8Cet%E2%80%83%0Aal%EF%BC%8EVolumetric%E2%80%83evaluation%E2%80%83of%E2%80%83maxillary%E2%80%83lateral%E2%80%83incisor%E2%80%83%0Aroot%E2%80%83%20resorption%E2%80%83due%E2%80%83to%E2%80%83positional%E2%80%83variations%E2%80%83of%E2%80%83impacted%E2%80%83%0Acanine%EF%BC%BBJ%EF%BC%BD%EF%BC%8EInt%E2%80%83J%E2%80%83Dent%EF%BC%8C2022%EF%BC%882022%EF%BC%89%EF%BC%9A2626222%EF%BC%8ERAZEGHINEJAD%E2%80%83M%E2%80%83H%EF%BC%8CBARDAL%E2%80%83R%EF%BC%8CSHAHI%E2%80%83S%EF%BC%8Cet%E2%80%83%0Aal%EF%BC%8EVolumetric%E2%80%83evaluation%E2%80%83of%E2%80%83maxillary%E2%80%83lateral%E2%80%83incisor%E2%80%83%0Aroot%E2%80%83%20resorption%E2%80%83due%E2%80%83to%E2%80%83positional%E2%80%83variations%E2%80%83of%E2%80%83impacted%E2%80%83%0Acanine%EF%BC%BBJ%EF%BC%BD%EF%BC%8EInt%E2%80%83J%E2%80%83Dent%EF%BC%8C2022%EF%BC%882022%EF%BC%89%EF%BC%9A2626222%EF%BC%8E
12、%E2%80%83%20IGLESIAS-LINARES%E2%80%83A%EF%BC%8CHARTSFIELD%E2%80%83J%E2%80%83J%EF%BC%8E%0ACellular%E2%80%83and%E2%80%83molecular%E2%80%83%20pathways%E2%80%83leading%E2%80%83to%E2%80%83external%E2%80%83%0Aroot%E2%80%83resorption%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Dent%E2%80%83Res%EF%BC%8C2017%EF%BC%8C96%EF%BC%882%EF%BC%89%EF%BC%9A%0A145-152%EF%BC%8E%E2%80%83%20IGLESIAS-LINARES%E2%80%83A%EF%BC%8CHARTSFIELD%E2%80%83J%E2%80%83J%EF%BC%8E%0ACellular%E2%80%83and%E2%80%83molecular%E2%80%83%20pathways%E2%80%83leading%E2%80%83to%E2%80%83external%E2%80%83%0Aroot%E2%80%83resorption%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Dent%E2%80%83Res%EF%BC%8C2017%EF%BC%8C96%EF%BC%882%EF%BC%89%EF%BC%9A%0A145-152%EF%BC%8E
13、HIENZ%E2%80%83S%E2%80%83A%EF%BC%8CPALIWAL%E2%80%83S%EF%BC%8CIVANOVSKI%E2%80%83S%EF%BC%8E%0AMechanisms%E2%80%83of%E2%80%83bone%E2%80%83resorption%E2%80%83in%E2%80%83periodontitis%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0AJ%E2%80%83Immunol%E2%80%83Res%EF%BC%8C2015%EF%BC%882015%EF%BC%89%EF%BC%9A615486%EF%BC%8EHIENZ%E2%80%83S%E2%80%83A%EF%BC%8CPALIWAL%E2%80%83S%EF%BC%8CIVANOVSKI%E2%80%83S%EF%BC%8E%0AMechanisms%E2%80%83of%E2%80%83bone%E2%80%83resorption%E2%80%83in%E2%80%83periodontitis%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0AJ%E2%80%83Immunol%E2%80%83Res%EF%BC%8C2015%EF%BC%882015%EF%BC%89%EF%BC%9A615486%EF%BC%8E
14、HOHMANN%E2%80%83A%EF%BC%8CWOLFRAM%E2%80%83U%EF%BC%8CGEIGER%E2%80%83M%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0ACorrespondences%E2%80%83of%E2%80%83hydrostatic%E2%80%83pressure%E2%80%83in%E2%80%83periodontal%E2%80%83%0Aligament%E2%80%83with%E2%80%83regions%E2%80%83of%E2%80%83%E2%80%83root%E2%80%83resorption%EF%BC%9AA%E2%80%83clinical%E2%80%83%0Aand%E2%80%83a%E2%80%83finite%E2%80%83element%E2%80%83study%E2%80%83of%E2%80%83the%E2%80%83same%E2%80%83human%E2%80%83teeth%0A%EF%BC%BBJ%EF%BC%BD%EF%BC%8EComput%E2%80%83Methods%E2%80%83Programs%E2%80%83Biomed%EF%BC%8C2009%EF%BC%8C%0A93%EF%BC%882%EF%BC%89%EF%BC%9A155-161%EF%BC%8EHOHMANN%E2%80%83A%EF%BC%8CWOLFRAM%E2%80%83U%EF%BC%8CGEIGER%E2%80%83M%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0ACorrespondences%E2%80%83of%E2%80%83hydrostatic%E2%80%83pressure%E2%80%83in%E2%80%83periodontal%E2%80%83%0Aligament%E2%80%83with%E2%80%83regions%E2%80%83of%E2%80%83%E2%80%83root%E2%80%83resorption%EF%BC%9AA%E2%80%83clinical%E2%80%83%0Aand%E2%80%83a%E2%80%83finite%E2%80%83element%E2%80%83study%E2%80%83of%E2%80%83the%E2%80%83same%E2%80%83human%E2%80%83teeth%0A%EF%BC%BBJ%EF%BC%BD%EF%BC%8EComput%E2%80%83Methods%E2%80%83Programs%E2%80%83Biomed%EF%BC%8C2009%EF%BC%8C%0A93%EF%BC%882%EF%BC%89%EF%BC%9A155-161%EF%BC%8E
15、WANG%E2%80%83D%EF%BC%8CHE%E2%80%83X%EF%BC%8CWANG%E2%80%83Y%EF%BC%8Cet%E2%80%83al%EF%BC%8EExternal%E2%80%83%20root%E2%80%83%0Aresorption%E2%80%83of%E2%80%83the%E2%80%83second%E2%80%83molar%E2%80%83associated%E2%80%83with%E2%80%83mesially%E2%80%83%0Aand%E2%80%83horizontally%E2%80%83impacted%E2%80%83mandibular%E2%80%83third%E2%80%83molar%EF%BC%9A%0AEvidence%E2%80%83from%E2%80%83cone%E2%80%83beam%E2%80%83computed%E2%80%83%E2%80%83tomography%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0AClin%E2%80%83Oral%E2%80%83Investig%EF%BC%8C2017%EF%BC%8C21%EF%BC%884%EF%BC%89%EF%BC%9A1335-1342%EF%BC%8EWANG%E2%80%83D%EF%BC%8CHE%E2%80%83X%EF%BC%8CWANG%E2%80%83Y%EF%BC%8Cet%E2%80%83al%EF%BC%8EExternal%E2%80%83%20root%E2%80%83%0Aresorption%E2%80%83of%E2%80%83the%E2%80%83second%E2%80%83molar%E2%80%83associated%E2%80%83with%E2%80%83mesially%E2%80%83%0Aand%E2%80%83horizontally%E2%80%83impacted%E2%80%83mandibular%E2%80%83third%E2%80%83molar%EF%BC%9A%0AEvidence%E2%80%83from%E2%80%83cone%E2%80%83beam%E2%80%83computed%E2%80%83%E2%80%83tomography%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0AClin%E2%80%83Oral%E2%80%83Investig%EF%BC%8C2017%EF%BC%8C21%EF%BC%884%EF%BC%89%EF%BC%9A1335-1342%EF%BC%8E
16、%E2%80%83%20SUTER%E2%80%83V%E2%80%83G%E2%80%83A%EF%BC%8CRIVOLA%E2%80%83M%EF%BC%8CSCHRIBER%E2%80%83M%EF%BC%8Cet%E2%80%83al%EF%BC%8ERisk%E2%80%83factors%E2%80%83for%E2%80%83%20root%E2%80%83%20resorption%E2%80%83of%E2%80%83second%E2%80%83molars%E2%80%83associated%E2%80%83%0Awith%E2%80%83impacted%E2%80%83mandibular%E2%80%83third%E2%80%83molars%EF%BC%BBJ%EF%BC%BD%EF%BC%8EInt%E2%80%83%20J%E2%80%83%0AOral%E2%80%83Maxillofac%E2%80%83Surg%EF%BC%8C2019%EF%BC%8C48%EF%BC%886%EF%BC%89%EF%BC%9A801-809%EF%BC%8E%E2%80%83%20SUTER%E2%80%83V%E2%80%83G%E2%80%83A%EF%BC%8CRIVOLA%E2%80%83M%EF%BC%8CSCHRIBER%E2%80%83M%EF%BC%8Cet%E2%80%83al%EF%BC%8ERisk%E2%80%83factors%E2%80%83for%E2%80%83%20root%E2%80%83%20resorption%E2%80%83of%E2%80%83second%E2%80%83molars%E2%80%83associated%E2%80%83%0Awith%E2%80%83impacted%E2%80%83mandibular%E2%80%83third%E2%80%83molars%EF%BC%BBJ%EF%BC%BD%EF%BC%8EInt%E2%80%83%20J%E2%80%83%0AOral%E2%80%83Maxillofac%E2%80%83Surg%EF%BC%8C2019%EF%BC%8C48%EF%BC%886%EF%BC%89%EF%BC%9A801-809%EF%BC%8E
17、SAKHDARI%E2%80%83S%EF%BC%8CFARAHANI%E2%80%83S%EF%BC%8CASNAASHARI%E2%80%83E%EF%BC%8C%0Aet%E2%80%83al%EF%BC%8EFrequency%E2%80%83and%E2%80%83severity%E2%80%83of%E2%80%83second%E2%80%83molar%E2%80%83external%E2%80%83%0Aroot%E2%80%83%20resorption%E2%80%83%20due%E2%80%83to%E2%80%83the%E2%80%83%20adjacent%E2%80%83third%E2%80%83molar%E2%80%83%20and%E2%80%83%0Arelated%E2%80%83factors%EF%BC%9AA%E2%80%83cone-beam%E2%80%83computed%E2%80%83tomography%E2%80%83%0Astudy%EF%BC%BBJ%EF%BC%BD%EF%BC%8EFront%E2%80%83Dent%EF%BC%8C2021%EF%BC%8818%EF%BC%89%EF%BC%9A36%EF%BC%8ESAKHDARI%E2%80%83S%EF%BC%8CFARAHANI%E2%80%83S%EF%BC%8CASNAASHARI%E2%80%83E%EF%BC%8C%0Aet%E2%80%83al%EF%BC%8EFrequency%E2%80%83and%E2%80%83severity%E2%80%83of%E2%80%83second%E2%80%83molar%E2%80%83external%E2%80%83%0Aroot%E2%80%83%20resorption%E2%80%83%20due%E2%80%83to%E2%80%83the%E2%80%83%20adjacent%E2%80%83third%E2%80%83molar%E2%80%83%20and%E2%80%83%0Arelated%E2%80%83factors%EF%BC%9AA%E2%80%83cone-beam%E2%80%83computed%E2%80%83tomography%E2%80%83%0Astudy%EF%BC%BBJ%EF%BC%BD%EF%BC%8EFront%E2%80%83Dent%EF%BC%8C2021%EF%BC%8818%EF%BC%89%EF%BC%9A36%EF%BC%8E
18、LACERDA-SANTOS%E2%80%83J%E2%80%83T%EF%BC%8CGRANJA%E2%80%83G%E2%80%83L%EF%BC%8CBENTO%E2%80%83%0AP%E2%80%83M%EF%BC%8Cet%E2%80%83al%EF%BC%8EPrevalence%E2%80%83of%E2%80%83second%E2%80%83molar%E2%80%83external%E2%80%83%20root%E2%80%83%0Aresorption%E2%80%83caused%E2%80%83by%E2%80%83mandibular%E2%80%83third%E2%80%83molars%EF%BC%9AA%E2%80%83CBCT%E2%80%83%0Astudy%EF%BC%BBJ%EF%BC%BD%EF%BC%8EGen%E2%80%83Dent%EF%BC%8C2023%EF%BC%8C71%EF%BC%881%EF%BC%89%EF%BC%9A58-63%EF%BC%8ELACERDA-SANTOS%E2%80%83J%E2%80%83T%EF%BC%8CGRANJA%E2%80%83G%E2%80%83L%EF%BC%8CBENTO%E2%80%83%0AP%E2%80%83M%EF%BC%8Cet%E2%80%83al%EF%BC%8EPrevalence%E2%80%83of%E2%80%83second%E2%80%83molar%E2%80%83external%E2%80%83%20root%E2%80%83%0Aresorption%E2%80%83caused%E2%80%83by%E2%80%83mandibular%E2%80%83third%E2%80%83molars%EF%BC%9AA%E2%80%83CBCT%E2%80%83%0Astudy%EF%BC%BBJ%EF%BC%BD%EF%BC%8EGen%E2%80%83Dent%EF%BC%8C2023%EF%BC%8C71%EF%BC%881%EF%BC%89%EF%BC%9A58-63%EF%BC%8E
19、SCHRIBER%E2%80%83M%EF%BC%8CRIVOLA%E2%80%83M%EF%BC%8CLEUNG%E2%80%83Y%E2%80%83Y%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0ARisk%E2%80%83factors%E2%80%83for%E2%80%83external%E2%80%83%20root%E2%80%83%20resorption%E2%80%83of%E2%80%83maxillary%E2%80%83%0Asecond%E2%80%83molars%E2%80%83due%E2%80%83to%E2%80%83impacted%E2%80%83third%E2%80%83molars%E2%80%83as%E2%80%83evaluated%E2%80%83%0Ausing%E2%80%83cone%E2%80%83beam%E2%80%83computed%E2%80%83tomography%EF%BC%BBJ%EF%BC%BD%EF%BC%8EInt%E2%80%83%20J%E2%80%83%0AOral%E2%80%83Maxillofac%E2%80%83Surg%EF%BC%8C2020%EF%BC%8C49%EF%BC%885%EF%BC%89%EF%BC%9A666-672%EF%BC%8ESCHRIBER%E2%80%83M%EF%BC%8CRIVOLA%E2%80%83M%EF%BC%8CLEUNG%E2%80%83Y%E2%80%83Y%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0ARisk%E2%80%83factors%E2%80%83for%E2%80%83external%E2%80%83%20root%E2%80%83%20resorption%E2%80%83of%E2%80%83maxillary%E2%80%83%0Asecond%E2%80%83molars%E2%80%83due%E2%80%83to%E2%80%83impacted%E2%80%83third%E2%80%83molars%E2%80%83as%E2%80%83evaluated%E2%80%83%0Ausing%E2%80%83cone%E2%80%83beam%E2%80%83computed%E2%80%83tomography%EF%BC%BBJ%EF%BC%BD%EF%BC%8EInt%E2%80%83%20J%E2%80%83%0AOral%E2%80%83Maxillofac%E2%80%83Surg%EF%BC%8C2020%EF%BC%8C49%EF%BC%885%EF%BC%89%EF%BC%9A666-672%EF%BC%8E
20、黄玲.CBCT对上颌前部埋伏牙的诊断应用[J].广州医药,2023,54(9):103-106.黄玲.CBCT对上颌前部埋伏牙的诊断应用[J].广州医药,2023,54(9):103-106.
21、OENNING%E2%80%83A%E2%80%83C%EF%BC%8CNEVES%E2%80%83F%E2%80%83S%EF%BC%8CALENCAR%E2%80%83P%E2%80%83N%EF%BC%8C%0Aet%E2%80%83al%EF%BC%8EExternal%E2%80%83%20root%E2%80%83%20resorption%E2%80%83%20of%E2%80%83the%E2%80%83%20second%E2%80%83molar%E2%80%83%0Aassociated%E2%80%83with%E2%80%83third%E2%80%83molar%E2%80%83impaction%EF%BC%9AComparison%E2%80%83%0Aof%E2%80%83%20panoramic%E2%80%83%20radiography%E2%80%83%20and%E2%80%83%20cone%E2%80%83%20beam%E2%80%83%20computed%E2%80%83%0Atomography%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Oral%E2%80%83Maxillofac%E2%80%83Surg%EF%BC%8C2014%EF%BC%8C72%0A%EF%BC%888%EF%BC%89%EF%BC%9A1444-1455%EF%BC%8EOENNING%E2%80%83A%E2%80%83C%EF%BC%8CNEVES%E2%80%83F%E2%80%83S%EF%BC%8CALENCAR%E2%80%83P%E2%80%83N%EF%BC%8C%0Aet%E2%80%83al%EF%BC%8EExternal%E2%80%83%20root%E2%80%83%20resorption%E2%80%83%20of%E2%80%83the%E2%80%83%20second%E2%80%83molar%E2%80%83%0Aassociated%E2%80%83with%E2%80%83third%E2%80%83molar%E2%80%83impaction%EF%BC%9AComparison%E2%80%83%0Aof%E2%80%83%20panoramic%E2%80%83%20radiography%E2%80%83%20and%E2%80%83%20cone%E2%80%83%20beam%E2%80%83%20computed%E2%80%83%0Atomography%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Oral%E2%80%83Maxillofac%E2%80%83Surg%EF%BC%8C2014%EF%BC%8C72%0A%EF%BC%888%EF%BC%89%EF%BC%9A1444-1455%EF%BC%8E
22、MARANO%E2%80%83R%EF%BC%8EExternal%E2%80%83%20root%E2%80%83%20resorption%E2%80%83associated%E2%80%83with%E2%80%83%0Aimpacted%E2%80%83third%E2%80%83molars%EF%BC%9AA%E2%80%83case%E2%80%83report%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Oral%E2%80%83%0AHealth%E2%80%83Craniofacial%E2%80%83Sci%EF%BC%8C2017%EF%BC%8C2%EF%BC%882%EF%BC%89%EF%BC%9A43-48%EF%BC%8EMARANO%E2%80%83R%EF%BC%8EExternal%E2%80%83%20root%E2%80%83%20resorption%E2%80%83associated%E2%80%83with%E2%80%83%0Aimpacted%E2%80%83third%E2%80%83molars%EF%BC%9AA%E2%80%83case%E2%80%83report%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Oral%E2%80%83%0AHealth%E2%80%83Craniofacial%E2%80%83Sci%EF%BC%8C2017%EF%BC%8C2%EF%BC%882%EF%BC%89%EF%BC%9A43-48%EF%BC%8E
23、赖颖,潘韦霖,刘畅,等.埋伏阻生牙导致牙根外吸收邻牙的预后的临床观察[J].华西口腔医学杂志,2019,37(3):280-284.赖颖,潘韦霖,刘畅,等.埋伏阻生牙导致牙根外吸收邻牙的预后的临床观察[J].华西口腔医学杂志,2019,37(3):280-284.
24、%E2%80%83%20KESKIN%E2%80%83T%E2%80%83S%EF%BC%8CKOC%E2%80%83A%EF%BC%8EEvaluation%E2%80%83of%E2%80%83%20risk%E2%80%83factors%E2%80%83for%E2%80%83%0Aexternal%E2%80%83%20root%E2%80%83%20resorption%E2%80%83%20and%E2%80%83%20dental%E2%80%83%20caries%E2%80%83%20of%E2%80%83%20second%E2%80%83%0Amolars%E2%80%83associated%E2%80%83with%E2%80%83impacted%E2%80%83third%E2%80%83molars%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83%0AOral%E2%80%83Maxillofac%E2%80%83Surg%EF%BC%8C2020%EF%BC%8C78%EF%BC%889%EF%BC%89%EF%BC%9A1467-1477%EF%BC%8E%E2%80%83%20KESKIN%E2%80%83T%E2%80%83S%EF%BC%8CKOC%E2%80%83A%EF%BC%8EEvaluation%E2%80%83of%E2%80%83%20risk%E2%80%83factors%E2%80%83for%E2%80%83%0Aexternal%E2%80%83%20root%E2%80%83%20resorption%E2%80%83%20and%E2%80%83%20dental%E2%80%83%20caries%E2%80%83%20of%E2%80%83%20second%E2%80%83%0Amolars%E2%80%83associated%E2%80%83with%E2%80%83impacted%E2%80%83third%E2%80%83molars%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83%0AOral%E2%80%83Maxillofac%E2%80%83Surg%EF%BC%8C2020%EF%BC%8C78%EF%BC%889%EF%BC%89%EF%BC%9A1467-1477%EF%BC%8E
25、REGNSTRAND%E2%80%83T%EF%BC%8CTORRES%E2%80%83A%EF%BC%8CPETITJEAN%E2%80%83E%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0ACBCT-based%E2%80%83assessment%E2%80%83of%E2%80%83the%E2%80%83anatomic%E2%80%83%20relationship%E2%80%83%0Abetween%E2%80%83maxillary%E2%80%83sinus%E2%80%83and%E2%80%83upper%E2%80%83teeth%EF%BC%BBJ%EF%BC%BD%EF%BC%8EClin%E2%80%83%0AExp%E2%80%83Dent%E2%80%83Res%EF%BC%8C2021%EF%BC%8C7%EF%BC%886%EF%BC%89%EF%BC%9A1197-1204%EF%BC%8EREGNSTRAND%E2%80%83T%EF%BC%8CTORRES%E2%80%83A%EF%BC%8CPETITJEAN%E2%80%83E%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0ACBCT-based%E2%80%83assessment%E2%80%83of%E2%80%83the%E2%80%83anatomic%E2%80%83%20relationship%E2%80%83%0Abetween%E2%80%83maxillary%E2%80%83sinus%E2%80%83and%E2%80%83upper%E2%80%83teeth%EF%BC%BBJ%EF%BC%BD%EF%BC%8EClin%E2%80%83%0AExp%E2%80%83Dent%E2%80%83Res%EF%BC%8C2021%EF%BC%8C7%EF%BC%886%EF%BC%89%EF%BC%9A1197-1204%EF%BC%8E
1、广州市科技计划项目(20220101978)()
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