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Longitudinal analysis of the quality of orthodontic treatment outcome and stability of occlusal traits

Suominen Auli; Svedström-Oristo Anna-Liisa; Arponen Heidi

Longitudinal analysis of the quality of orthodontic treatment outcome and stability of occlusal traits

Suominen Auli
Svedström-Oristo Anna-Liisa
Arponen Heidi
Katso/Avaa
Publisher's PDF (CC BY NC NDI) (1.191Mb)
Lataukset: 

Taylor & Francis
doi:10.1080/00016357.2021.2005137
URI
https://doi.org/10.1080/00016357.2021.2005137
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Julkaisun pysyvä osoite on:
https://urn.fi/URN:NBN:fi-fe2022012710770
Tiivistelmä

Objectives

To assess the quality and stability of orthodontic treatment outcome relative to the initial malocclusion.

Material and methods

The study was performed in one public health care clinic in Finland. Study subjects comprised 51 orthodontic patients (age range 12.7–18.7 years). Pre-treatment medical records and lateral skull radiographs were analysed for malocclusion type. The main reasons for orthodontic treatment were mandibular retrognathia, Class II distal bite, deep bite and crowding. At the end of a retention phase (Examination 1), the quality of treatment outcome was assessed using the occlusal morphology and function index (OMFI) and patients were asked about treatment satisfaction. Stability of occlusal traits and patient satisfaction were re-evaluated after a two-year follow-up (Examination 2). Occlusal characteristics descriptive statistics were performed.

Results

At Examination 1, all six morphological criteria for acceptability were fulfilled by 76% and all functional criteria by 82% of the patients. All OMFI criteria were met by 67% of the patients. At Examination 2, 68% of the patients fulfilled all morphological and 82% all functional criteria of acceptability. At Examination 2, all the OMFI criteria were still met by 64% of the patients and 92% expressed satisfaction with own occlusion. The main reasons for unacceptability were deficiencies in canine relationship and overbite, in addition to functional protrusion interferences.


Conclusions

In the evaluated health care clinic, patient satisfaction and the quality of treatment outcome were high. However, deep bite showed a tendency for relapse.

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  • Rinnakkaistallenteet [19207]

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