改良冠向復(fù)位隧道技術(shù)聯(lián)合雙交叉懸吊縫合技術(shù)治療多牙位牙齦退縮1例

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[中圖分類號] R781.4 [文獻標(biāo)志碼] B [doi] 10.7518/gjkq.2025059

Multipleadjacent gingival recessons using modified coronally advanced tunnel and double-cross suspension suturetechnique：acasereport

Gao ，ChengJiajial2，Wang GeSongl，2

1.Dept.ofOraledicine，hooloftomatologyuniMedicalUniversityunyi563o99hina；2.Dept.ofido tics，AfiliatedStomatologicalHospitalofZunyiMedicalUniversity，Zunyi563o99，China

Supportedby：ScienceandTechnology CooperationFoundationofZunyi[ZunshiKeheHZ（2024）347]；National ClinicalKeySpecialtyConstructionManuscript（MedicalAdministrationLetterfromtheNational HealthOffce[2023]213） Correspondence： Gao Li， Email： 467278759@qq.com

[Abstract]This article reports acaseofmultiple adjacent gingival recessions （MAGR）treated withamodifiedcoronallyadvanced tunnel （MCAT） techniquecombined withasubepithelial connective tisse graft （SCTG），utilizinga doublecross suspension suture technique.The patient primarily presents with ClassI and Class I gingival recession at multiple tooth sitesaccording totheCairoclassification.The treatmentprotocolinvolved initial periodontal nonsurgical therapy，followed by staged root coverage procedures using a minimally invasive MCAT technique with SCTG and doublecross suspension suture technique. Postoperative folow-ups at 12，24，and 36 months demonstrated 100 % root coverage， favorable aesthetic outcomes in terms of color match and contour，and stable long-term therapeutic results.

[Key words] multiple adjacent gingival recesion；root coverage；；modified coronally advanced tunnel technology； double-cross suspension suture technique

牙齦退縮（gingivalrecession）是指牙齦邊緣從原本的生理性位置（釉牙骨質(zhì)界冠方 1～2 m m 處）向根方退縮，導(dǎo)致牙根表面的病理性暴露，牙齦退縮可發(fā)生于牙周健康者，也可發(fā)生于口腔衛(wèi)生差及牙周病患者；導(dǎo)致牙齦退縮的危險因素可能是物理（牙齒突出、牙弓不齊）、機械（不當(dāng)刷牙、正畸力及咬合力等）及化學(xué)藥物2（如牙齒漂白劑等）刺激對牙齦組織的直接影響，也有可能是牙齦組織的炎癥反應(yīng)。（剩余11342字）