A study of surgical treatment for unilateral anterior disc displacement without reduction

doi:10.3877/cma.j.issn.1674-1366.2015.01.009

Abstract

Abstract:

Objective

To preliminarily evaluate the surgical treatment for anterior disc displacement without reduction (ADDwR) .

Methods

Fifty-four patients with ADDwR received disc repositioning and fixation via open anchorage surgery from October 2012 to October 2013 were enrolled. They were distributed into three groups according to the course of disease: < 6 months (15 cases) ; 6-12 months (22 cases) and > 12 months (17 cases) . The follow-up time was 1-12 months and the clinical effects of each group were compared.

Results

The postoperative clinical effect was significantly improved, such as maximum interincisal opening (MIO) and pain release (P < 0.05) . Twelve months after operation, the improvement of MIO in Group <6 m and 6-12 m were better than that of the Group > 12 m (P < 0.05) , and there was no significant difference between Group < 6 months and Group 6-12 m, except at one month after operation. The improvement of MIO of Group 6-12 m was always better than that of Group > 12 m (P < 0.05) .

Conclusions

With the accurate diagnosis and appropriate selection of indications, disc repositioning and fixation via open anchorage surgery should be an effective procedure for ADDwR, especially in the cases treated within 12 months. Earlier treatment means better prognosis.

Key words: Temporomandibular disorders, Anterior disc displacement without reduction, Disc anchorage

Rui Li, Rui Zhang, Kun Fu, Ning Gao, Yongming Qiao. A study of surgical treatment for unilateral anterior disc displacement without reduction[J]. Chinese Journal of Stomatological Research(Electronic Edition), 2015, 09(01): 57-62.

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Figures/Tables 6

References 20

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组别	例数	术前	术后1个月	术后6个月	术后12个月
6个月以内组	15	28.27 ± 3.85	38.07 ± 2.58^a	38.73 ± 2.63^a	39.53 ± 3.46^a
6 ~ 12个月组	22	26.86 ± 2.79	37.32 ± 4.72^a	37.55 ± 4.01^a	38.23 ± 5.66^a
12个月以上组	17	27.71 ± 3.12	35.94 ± 3.38^a	34.94 ± 3.19^a	34.76 ± 3.17^a

组别	例数	术前	术后1个月	术后6个月	术后12个月
6个月以内组	15	28.27 ± 3.85	38.07 ± 2.58^a	38.73 ± 2.63^a	39.53 ± 3.46^a
6 ~ 12个月组	22	26.86 ± 2.79	37.32 ± 4.72^a	37.55 ± 4.01^a	38.23 ± 5.66^a
12个月以上组	17	27.71 ± 3.12	35.94 ± 3.38^a	34.94 ± 3.19^a	34.76 ± 3.17^a

组别	例数	术前	术后1个月	术后6个月	术后12个月
6个月以内组	15	54.79 ± 8.29	19.94 ± 10.22^a	20.21 ± 9.29^a	18.69 ± 9.41^a
6 ~ 12个月组	22	50.97 ± 10.52	20.35 ± 9.86^a	19.86 ± 10.65^a	19.48 ± 10.71^a
12个月以上组	17	44.90 ± 12.58	21.38 ± 10.30^a	23.25 ± 9.58^a	22.53 ± 10.19^a

组别	例数	术前	术后1个月	术后6个月	术后12个月
6个月以内组	15	54.79 ± 8.29	19.94 ± 10.22^a	20.21 ± 9.29^a	18.69 ± 9.41^a
6 ~ 12个月组	22	50.97 ± 10.52	20.35 ± 9.86^a	19.86 ± 10.65^a	19.48 ± 10.71^a
12个月以上组	17	44.90 ± 12.58	21.38 ± 10.30^a	23.25 ± 9.58^a	22.53 ± 10.19^a

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