지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.7
- 수록면
- 254 - 264 (11page)
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초록· 키워드
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Objective: To evaluate the short-term changes in masticatory muscle activity and mandibular movement patterns after orthognathic surgery in skeletal Class III patients with facial asymmetry. Methods: Twenty-seven skeletal Class III adult patients were divided into two groups based on the degree of facial asymmetry: the experimental group (n = 17 [11 male and 6 female]; menton deviation ≥ 4 mm) and control group (n = 10 [4 male and 6 female]; menton deviation < 1.6 mm). Cephalography, electromyography (EMG) for the anterior temporalis (TA) and masseter muscles (MM), and mandibular movement (range of motion [ROM] and average chewing pattern [ACP]) were evaluated before (T0) and 7 to 8 months (T1) after the surgery. Results: There were no significant postoperative changes in the EMG potentials of the TA and MM in both groups, except in the anterior cotton roll biting test, in which the masticatory muscle activity had changed into an MM-dominant pattern postoperatively in both groups. In the experimental group, the amount of maximum opening, protrusion, and lateral excursion to the non-deviated side were significantly decreased. The turning point tended to be shorter and significantly moved medially during chewing in the non-deviated side in the experimental group. Conclusions: In skeletal Class III patients with facial asymmetry, the EMG activity characteristics recovered to presurgical levels within 7 to 8 months after the surgery. Correction of the asymmetry caused limitation in jaw movement in terms of both ROM and ACP on the non-deviated side.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES
참고문헌 (27)
참고문헌 신청
Castelo PM / 2007 / Masticatory muscle thickness, bite force, and occlusal contacts in young children with unilateral posterior crossbite / Eur J Orthod 29:149~156
Kiliaridis S / 2007 / Ultrasonographic thickness of the masseter muscle in growing individuals with unilateral crossbite / Angle Orthod 77:607~611
Nie Q / 2010 / Clinical study of frontal chewing patterns in various crossbite malocclusions / Am J Orthod Dentofacial Orthop 138:323~329
Rilo B / 2007 / Unilateral posterior crossbite and mastication / Arch Oral Biol 52:474~478
Hashimoto T / 2008 / Correlation between craniofacial and condylar path asymmetry / J Oral Maxillofac Surg 66:2020~2027
Kiliaridis S / 2007 / Ultrasonographic thickness of the masseter muscle in growing individuals with unilateral crossbite / Angle Orthod 77:607~611
Nie Q / 2010 / Clinical study of frontal chewing patterns in various crossbite malocclusions / Am J Orthod Dentofacial Orthop 138:323~329
Rilo B / 2007 / Unilateral posterior crossbite and mastication / Arch Oral Biol 52:474~478
Hashimoto T / 2008 / Correlation between craniofacial and condylar path asymmetry / J Oral Maxillofac Surg 66:2020~2027
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UCI(KEPA) : I410-ECN-0101-2020-515-000537739