顎関節症患者におけるアキシオグラフィの変化に関する研究

Study of axiography changes in patients with temporomandibular joint dysfunction.

抄録

目的:

目的：咬合スプリントによる顎関節筋・関節機能障害の治療効果をアキシオグラフィデータの解析に基づいて明らかにする。

OBJECTIVE: Aim: To determine the effectiveness of treatment of temporomandibular joints muscle and joint dysfunction with occlusive splints based on the analysis of axiography data.

患者と方法:

材料と方法：顎関節機能障害と診断された18歳から44歳の患者274人（274人）を対象とした。

PATIENTS AND METHODS: Materials and Methods: 274 (two hundred and seventy-four) patients aged 18 to 44 years with a diagnosis of temporomandibular joints dysfunction before and after treatment.

結果:

結果治療前に顎関節機能障害の徴候があった患者全員に、下顎の運動軌道の違反が認められた：偏位-68.7％、偏位-31.3％。口を開閉する際、2mm以上の下顎の非対称な移動が観察された。咬合スプリントによる治療後、正しい開閉軌跡が認められた。軌跡違反の患者数は89.1％減少し、92.4％の患者の開閉時の下顎の変位量は平均0.9mmに減少した。矢状面における下顎の動きを分析すると、臨床例の79％に下顎の軌道の逸脱が認められた。咬合スプリントを用いた治療後、横断面における下顎の運動軌道の逸脱は93.4％の症例で消失し、78.1％の症例で変位量は0.9mmまで減少した。矢状面における下顎の動きを分析すると、臨床例の79％に下顎の軌道の逸脱が認められた。咬合スプリントを用いた治療後、横断面における下顎の運動軌道の逸脱は93.4％の症例で消失し、78.1％の症例で変位量が0.9mmまで減少した。

RESULTS: Results: All patients with signs of temporomandibular joints dysfunction before treatment had a violation of the movement trajectory of the lower jaw: deviation - 68.7%, diflexion - 31.3%. When opening and closing the mouth, asymmetric shifts of the lower jaw of more than 2 mm were observed. After treatment with occlusive splints, the correct trajectory of opening and closing the mouth was noted: the number of patients with a trajectory violation decreased by 89.1%, and the amount of displacement of the lower jaw during opening and closing the mouth in 92.4% of patients decreased on average to 0.9 mm. When analyzing the movements of the lower jaw in the sagittal plane, deviations of the trajectory of the lower jaw were found in 79% of clinical cases. After the treatment using occlusive splints, 93.4% of cases of mandibular movement trajectory violations in the transversal plane were eliminated, and 78.1% of patients had a reduction in displacement volume to 0.9 mm. When analyzing the movements of the lower jaw in the sagittal plane, deviations of the trajectory of the lower jaw were found in 79% of clinical cases. After the treatment using occlusive splints, 93.4% of cases of mandibular movement trajectory violations in the transversal plane were eliminated, and 78.1% of patients had a reduction in displacement volume to 0.9 mm.

結論:

結論矢状面における下顎の運動軌道は80.1％の患者で改善し、神経筋軌道に対する下顎の位置の正常化は臨床例の93.4％で達成された。パラメータの分析によると、この治療は有効であると考えられる。

CONCLUSION: Conclusions: Movement trajectories of the lower jaw in the sagittal plane improved in 80.1% of patients, normalization of the position of the lower jaw in relation to the neuromuscular trajectory was achieved in 93.4% of clinical cases. According to the analysis of the parameters, this treatment should be considered effective.