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en: A patient with unilateral posterior crossbite treated with modified unilateral surgically-assisted rapid maxillary expansion.

en: AJO-DO Clinical Companion

ja: AJO-DO Clinical Companion


ja: A patient with unilateral posterior crossbite treated with modified unilateral surgically-assisted rapid maxillary expansion.


en: Double Mutations on Tooth Development.

ja: Double Mutations on Tooth Development.

en: and that the interaction between the two genes functions in conjunction with other ligands to control the spatial patterning and development of teeth.

en: Genes

ja: Genes


en: Nonsurgical orthodontic treatment for a patient with Sotos syndrome.

en: Sotos syndrome is a genetic disorder characterized by overgrowth in childhood, specific facial manifestations, advanced bone age, and mental retardation. The purpose of this article is to describe the nonsurgical orthodontic treatment of a 10-year-old boy with a skeletal mandibular protrusion, unilateral posterior crossbite, and Sotos syndrome. After maxillary lateral expansion, the skeletal Class III relationship with an anterior crossbite improved because of mandibular clockwise rotation, whereas the facemask had a marginal effect. After growth at 16 years, he had a skeletal Class I relationship, and thus, conventional orthodontic treatment with preadjusted edgewise appliances was initiated. After 41 months of multibracket treatment, acceptable occlusion with a functional Class I relationship was obtained. One year postretention, few changes in occlusion and facial features were observed. Our results demonstrate that considering the maxillofacial vertical growth during the peripubertal period associated with Sotos syndrome, more attention should be paid to the early orthopedic treatment with the facemask and/or chincap.

en: American Journal of Orthodontics and Dentofacial Orthopedics (AJO-DO)


en: 歯科矯正用アンカースクリューの導入に伴う治療方針の変化(第一報) 抜歯・非抜歯および抜歯部位の判定に関する検討

en: 【目的】近年，歯科矯正用アンカースクリュー(以降アンカーと明記する)の普及により，臼歯の固定や移動が容易に行えるようになり，抜歯，非抜歯，抜歯部位の選択についても変化が起きている．今回，アンカーの導入前後での治療方針の変化について，とくに臼歯抜歯の適応に関する調査を行ったので報告する．【方法】徳島大学病院矯正歯科を受診した初診時年齢12歳以上の患者を対象とし，2002年以前にマルチブラケット治療の診断を受けた100名(Pre群)と2008年以降に診断を受けた100名(Post群)を無作為に抽出した．先天性疾患および歯牙欠損症例，顎変形症は除外した．診断内容における臼歯抜歯(第三大臼歯は除く)の有無，抜歯部位等に関する比較検討を行った．【結果および考察】Pre群とPost群の間で抜歯症例数および抜歯部位に違いは認められなかった．一方，skeletal Class IIの症例はPre群では上顎片顎小臼歯抜歯によるカムフラージュ治療が多かったのに対し，Post群ではその割合は減少していた．また，skeletal Class IIIの症例ではアンカーを用いた非抜歯治療の割合が増加していた．High mandibular plane angle caseにおいてはアンカーの使用により，上顎第一大臼歯の挺出防止ならびに圧下が可能となり上下顎第一小臼歯を抜去する割合が増えた．【結論】アンカー導入で，臼歯の移動や挺出の防止および圧下が可能となり抜歯部位の選択基準に変化が生じたと考えられた．(著者抄録)

en: The Journal of Chu-Shikoku Orthodontic Society

ja: 中·四国矯正歯科学会雑誌


en: Immediate Effect of Masticatory Muscle Activity with Transcutaneous Electrical Nerve Stimulation in Muscle Pain of Temporomandibular Disorders Patients

en: Transcutaneous electrical nerve stimulation (TENS) is a non-invasive treatment modality for acute and chronic pain. However, little information for muscle activity is available on the immediate effects of TENS in masticatory muscle pain related to temporomandibular disorders (TMDs). The present study aimed to evaluate the immediate effects of TENS treatment on TMD-related muscle pain. Thirty-six patients with TMD-related muscle pain and 39 healthy subjects served as TMD and control groups, respectively. For objective evaluations, maximum mouth opening, and maximum bite force were measured before and after TENS. The pain intensity was assessed according to a 100-mm visual analog scale (VAS). TENS was applied to painful muscles for 20 min with frequencies of 100-200 Hz. The treatment outcome was evaluated using Global Rating of Change (GRC) scales. In the TMD group, VAS values significantly decreased after TENS. Although there was significant increase in the maximum mouth opening after TENS for only TMD group, the maximum bite force of both groups was significantly greater after TENS. According to GRC scales, one patient with TMD-related muscle pain expressed negative feelings after TENS. Conclusively, TENS treatment might quickly relieve pain in masticatory muscles and improve masticatory functions in patients with TMD-related muscle pain.

en: Journal of Clinical Medicine

ja: Journal of Clinical Medicine