Effect of stretching devices on mouth opening limitation in patients after temporomandibular joint disc anchoring

doi:10.19438/j.cjoms.2022.01.007

Abstract

Abstract: PURPOSE: To observe the effects of jaw stretching devices in the treatment of limited mouth opening in patients with temporomandibular joint(TMJ) disc displacement without reduction after disc anchoring. METHODS: Sixty-seven patients with limited mouth opening after TMJ disc anchorage were followed up, including 32 patients in the stretching device group and 35 patients in the control group. Patients in the control group were given home rehabilitation training, while patients in the stretching devices group were given jaw stretching device training combined with home rehabilitation training. The maximum active mouth opening, pain evaluated with visual analog scale (VAS), jaw functional limitation scale-8(JFLS-8) were evaluated before and 6 weeks after treatment. Statistical analysis of the data was performed with SPSS 17.0 software package. RESULTS: The follow-up results showed that the maximum mouth opening and JFLS-8 of the two groups were significantly improved. The maximum active mouth opening of the stretching device group (36.7 mm) was significantly better than that of the control group (29.1 mm, P<0.05), JFLS-8 of the stretching device group (7.3) was significantly lower than that of the control group (11.2, P<0.05). CONCLUSIONS: The use of jaw stretching devices has a good effect on the increase of mouth opening and improvement of function in patients with TMJ after disc anchoring, which is worthy of clinical application.

Key words: Temporomandibular joint, Disc anchoring, Limited mouth opening, Stretch

CLC Number:

R782.6

FAN Shuai, CAI Bin, HE Dong-mei, XU Li-li, LU Shen-ji, FANG Zhong-yi. Effect of stretching devices on mouth opening limitation in patients after temporomandibular joint disc anchoring[J]. China Journal of Oral and Maxillofacial Surgery, 2022, 20(1): 37-41.

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