Impact of Different Periodontal Phenotypes on Stability of Mini-implants

doi:10.13701/j.cnki.kqyxyj.2023.02.007

Abstract

Abstract: Objective: To investigate the effect of different periodontal phenotypes on the stability of orthodontic mini-implants. Methods: One hundred young female patients with skeletal class Ⅱ malocclusion were selected, including 50 cases of thin phenotype and 50 cases of thick phenotype. These patients were extracted 2 first premolars and implanted mini-implants between the second premolar and the first molar in the maxilla, both were loaded with 200g immediately. Plaque index(PLI), sulcus bleeding index(SBI), probing depth(PD), and the number of successful cases of two groups were compared and analyzed. Results: The values of related indexes and the incidence of peri-implantitis in thin phenotype group were significantly higher than those in the thick group (P＜0.05), and the stability of thin phenotype was significantly lower than that in the thick phenotype group (P＜0.05). Conclusion: Periodontal phenotype is an important factor affecting the stability of orthodontic mini-implants, and the stability of thin phenotype is significantly lower than that of the thick group, which is a guide for orthodontists' clinical practice.

Key words: mini-implant, periodontal phenotype, stability, anchorage

LI Haojie, CHEN Xuepeng, ZHONG Jiayong. Impact of Different Periodontal Phenotypes on Stability of Mini-implants[J]. Journal of Oral Science Research, 2023, 39(2): 124-128.

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