Related Experiment Video
Updated: Jun 18, 2026
Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition
Published on: February 23, 2024
[Patients with anterior spaces caused by periodontal disease treated with aligner technique]
Yu-Xing Bai1, Bin Yang, Qing Dai
1Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing 100050, China. byuxing@263.net
Objective:
To treat the patients with anterior spaces caused by periodontal diseases with aligners and evaluate the periodontal conditions before and after treatment.
Methods:
Seven patients with anterior spaces ranged from 3.0 to 4.5 mm were randomly selected. All the patients were treated with aligner technique to close the spaces. Bleeding on probing (BOP) and probing depth (PD) were measured before treatment, 1 month, 3 months and 6 months after treatment. The CEJ-ABC distance was evaluated before treatment, 1 month, and 6 months after treatment.
Results:
No significant differences were found in periodontal evaluation and the CEJ-ABC distance between any two evaluated stages.
Conclusions:
The aligners could be used in patients with anterior spaces caused by periodontal diseases. No periodontal tissue damages were found during the observation period.
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