[1] [1] ABDULRAHEEM S, SCHTZ-FRANSSON U, BJERKLIN K. Teeth movement 12 years after orthodontic treatment with and without retainer: Relapse or usual changes?［J］. European Journal of Orthodontics, 2020, 42(1): 52-59.

[2] [2] QI J W, KITAURA H, SHEN W R, et al. Establishment of an orthodontic retention mouse model and the effect of anti-c-Fms antibody on orthodontic relapse［J］. PLoS One, 2019, 14(6): e0214260.

[3] [3] DOLCI G S, PORTELA L V, ONOFRE DE SOUZA D, et al. Atorvastatin-induced osteoclast inhibition reduces orthodontic relapse［J］. American Journal of Orthodontics and Dentofacial Orthopedics, 2017, 151(3): 528-538.

[4] [4] LIU Y, ZHANG T, ZHANG C, et al. Aspirin blocks orthodontic relapse via inhibition of CD4+ T lymphocytes［J］. Journal of Dental Research, 2017, 96(5): 586-594.

[5] [5] LITTLEWOOD S J, KANDASAMY S, HUANG G. Retention and relapse in clinical practice［J］. Australian Dental Journal, 2017, 62(Suppl 1): 51-57.

[6] [6] ALI KARABEL M, DORU M, DORU A, et al. Evaluation of the effects of diode laser application on experimental orthodontic tooth movements in rats. Histopathological analysis［J］. Acta Cirúrgica Brasileira, 2020, 35(12): e351204.

[7] [7] FARZAN A, KHALEGHI K. The effectiveness of low-level laser therapy in pain induced by orthodontic separator placement: A systematic review［J］. Journal of Lasers in Medical Sciences, 2021, 12(1): e29.

[9] [9] CARROLL J D, MILWARD M R, COOPER P R, et al. Developments in low level light therapy (LLLT) for dentistry［J］. Dental Materials, 2014, 30(5): 465-475.

[10] [10] LUKE A M, MATHEW S, ALTAWASH M M, et al. Lasers: A review with their applications in oral medicine［J］. Journal of Lasers in Medical Sciences, 2019, 10(4): 324-329.

[11] [11] DOMPE C, MONCRIEFF L, MATYS J, et al. Photobiomodulation-underlying mechanism and clinical applications［J］. Journal of Clinical Medicine, 2020, 9(6): 1724.

[14] [14] YOUSSEF M, ASHKAR S, HAMADE E, et al. The effect of low-level laser therapy during orthodontic movement: A preliminary study［J］. Lasers in Medical Science, 2008, 23(1): 27-33.

[15] [15] KIM S J, PAEK J H, PARK K H, et al. Laser-aided circumferential supracrestal fiberotomy and low-level laser therapy effects on relapse of rotated teeth in beagles［J］. The Angle Orthodontist, 2010, 80(2): 385-390.

[16] [16] KIM S J, KANG Y G, PARK J H, et al. Effects of low-intensity laser therapy on periodontal tissue remodeling during relapse and retention of orthodontically moved teeth［J］. Lasers in Medical Science, 2013, 28(1): 325-333.

[19] [19] FRANZEN T J, ZAHRA S E, EL-KADI A, et al. The influence of low-level laser on orthodontic relapse in rats［J］. European Journal of Orthodontics, 2015, 37(1): 111-117.

[20] [20] JAHANBIN A, RAMAZANZADEH B, AHRARI F, et al. Effectiveness of Er: YAG laser-aided fiberotomy and low-level laser therapy in alleviating relapse of rotated incisors［J］. American Journal of Orthodontics and Dentofacial Orthopedics, 2014, 146(5): 565-572.

[21] [21] GINANI F, SOARES D M, DE OLIVEIRA ROCHA H A, et al. Low-level laser irradiation induces in vitro proliferation of stem cells from human exfoliated deciduous teeth［J］. Lasers in Medical Science, 2018, 33(1): 95-102.

[22] [22] ZAHRA S E, ELKASI A A, ELDIN M S, et al. The effect of low level laser therapy (LLLT) on bone remodelling after Median diastema closure: A one year and half follow-up study［J］. Orthodontic Waves, 2009, 68(3): 116-122.

[23] [23] FENG L, YANG R, LIU D, et al. PDL progenitor-mediated PDL recovery contributes to orthodontic relapse［J］. Journal of Dental Research, 2016, 95(9): 1049-1056.

[25] [25] CABRAL-PACHECO G A, GARZA-VELOZ I, CASTRUITA-DE LA ROSA C, et al. The roles of matrix metalloproteinases and their inhibitors in human diseases［J］. International Journal of Molecular Sciences, 2020, 21(24): 9739.

[26] [26] SANG-HYUN L, KIM KYUNG-A, STEPHANIE A, et al. Combined effect of photobiomodulation with a matrix metalloproteinase inhibitor on the rate of relapse in rats［J］. The Angle Orthodontist, 2016, 86(2): 206-13.

[27] [27] ZHANG M M, FENG D F, SHAO P, et al. Nifedipine regulated periodontal ligament remodeling: An experimental study in rats［J］. Acta Odontologica Scandinavica, 2008, 66(6): 327-333.

[28] [28] HANNA R, DALVI S, BENSADOUN R J, et al. Role of photobiomodulation therapy in neurological primary burning mouth syndrome. A systematic review and meta-analysis of human randomised controlled clinical trials［J］. Pharmaceutics, 2021, 13(11): 1838.

[29] [29] HOOMAN E, FATEMEH D, MOJGAN A, et al. Comparison between the effect of 810 nm and 940 nm diode laser irradiation on histopathological changes in iatrogenic oral ulcers: An animal study［J］. Journal of Dentistry (Shiraz, Iran), 2021, 22(4): 267-272.

[30] [30] BAKSHI P V, SETTY S B, KULKARNI M R. Photobiomodulation of human gingival fibroblasts with diode laser-A systematic review［J］. Journal of Indian Society of Periodontology, 2022, 26(1): 5-12.

[31] [31] KIM Y D, KIM S S, KIM S J, et al. Low-level laser irradiation facilitates fibronectin and collagen type I turnover during tooth movement in rats［J］. Lasers in Medical Science, 2010, 25(1): 25-31.

[32] [32] FRANZEN T J, BRUDVIK P, VANDEVSKA-RADUNOVIC V. Periodontal tissue reaction during orthodontic relapse in rat molars［J］. European Journal of Orthodontics, 2013, 35(2): di152-159.

[33] [33] NAKAYAMA E, KUSHIBIKI T, MAYUMI Y, et al. Blue laser irradiation decreases the ATP level in mouse skin and increases the production of superoxide anion and hypochlorous acid in mouse fibroblasts［J］. Biology, 2022, 11(2): 301.

[34] [34] BAI J, LI L, KOU N, et al. Low level laser therapy promotes bone regeneration by coupling angiogenesis and osteogenesis［J］. Stem Cell Res Ther, 2021, 12(1): 432.

[35] [35] AGAS D, HANNA R, BENEDICENTI S, et al. Photobiomodulation by near-infrared 980-nm wavelengths regulates pre-osteoblast proliferation and viability through the PI3K/akt/bcl-2 pathway［J］. International Journal of Molecular Sciences, 2021, 22(14): 7586.

[36] [36] KIYOSAKI T, MITSUI N, SUZUKI N, et al. Low-level laser therapy stimulates mineralization via increased Runx2 expression and ERK phosphorylation in osteoblasts［J］. Photomedicine and Laser Surgery, 2010, 28(S1): S-167.

[37] [37] XU M, DENG T T, MO F Z, et al. Low-intensity pulsed laser irradiation affects RANKL and OPG mRNA expression in rat calvarial cells［J］. Photomedicine and Laser Surgery, 2009, 27(2): 309-315.

[38] [38] EL GAMMAL Z H, ZAHER A M, EL-BADRI N. Effect of low-level laser-treated mesenchymal stem cells on myocardial infarction［J］. Lasers in Medical Science, 2017, 32(7): 1637-1646.

[40] [40] KHADRA M, KASEM N, HAANS H R, et al. Enhancement of bone formation in rat calvarial bone defects using low-level laser therapy［J］. Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology, 2004, 97(6): 693-700.

[41] [41] NAVRATIL L, KYMPLOVA J. Contraindications in noninvasive laser therapy: Truth and fiction［J］. Journal of Clinical Laser Medicine & Surgery, 2002, 20(6): 341-343.

[42] [42] DEL VECCHIO A, TENORE G, LUZI M C, et al. Laser photobiomodulation (PBM)—a possible new frontier for the treatment of oral cancer: A review of in vitro and in vivo studies［J］. Healthcare, 2021, 9(2): 134.