Abstract:【Objective】 To compare the clinical effects of implant anchorage combined with different appliances in the treatment of Angle Class Ⅱ malocclusion. 【Methods】 A total of 100 patients with Angle Class Ⅱ malocclusion who visited the Department of Orthodontics in our hospital from January 2020 to January 2025 were selected and divided into four groups according to different treatment methods: group A (treated with invisible appliance + mandibular implant anchorage combined with elastic traction, n=30), group B (treated with invisible appliance + intermaxillary traction anchorage, n=30), group C (treated with fixed appliance + zygomatic alveolar crest anchorage, n=20), and group D (treated with fixed appliance + implant anchorage between the maxillary second premolar and first molar, n=20). Pain levels [visual analogue scale (VAS) score] at 1 d, 3 d and 5 d after treatment, as well as the expression rate of maxillary first and second molar displacement, distal movement distance and movement speed of molars at 6 months after treatment, temporomandibular joint parameters and periodontal indexes before and after treatment were compared among the four groups. 【Results】 At 1 d, 3 d and 5 d after treatment, the VAS score in group B was lower than those in the other three groups. At 6 months after treatment, the molar displacement expression rate and distal movement distance in group A and group C were greater than those in group B and group D, and the movement speed in group C and group D was faster than that in group A and group B (P<0.05). At 6 months after treatment, the superior joint space in group A and group B was larger than that in group C and group D, while the anterior joint space was smaller than that in group C and group D. The plaque index (PLI), probing depth (SPD), gingival index (GI) and sulcus bleeding index (SBI) in group A were lower than those in the other three groups, with statistically significant differences (P<0.05). 【Conclusion】 Both invisible appliance combined with mandibular implant anchorage and fixed appliance combined with zygomatic alveolar crest anchorage can effectively increase the distal movement distance of molars. Invisible appliance combined with intermaxillary traction can more effectively relieve postoperative pain in patients, and invisible appliances show advantages in improving periodontal health indicators.
梁姝恒, 冯慧. 种植支抗配合不同矫治器治疗安氏Ⅱ类错牙合畸形患者的临床效果比较[J]. 医学临床研究, 2026, 43(3): 379-382.
LIANG Shuheng, FENG Hui. Clinical Effect Comparison of Implant Anchorage Combined with Different Appliances in the Treatment of Angle Class Ⅱ Malocclusion. JOURNAL OF CLINICAL RESEARCH, 2026, 43(3): 379-382.
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