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- 저자 : Teruhide Hoshino (검색결과 2 건)
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Kissing molars class III detected at a young age
Teruhide Hoshino,Yu Koyama,Akira Katakura 대한악안면성형재건외과학회 2023 Maxillofacial Plastic Reconstructive Surgery Vol.45 No.-
Background Kissing molars (KMs) is defined as a state in which the apex of two impacted molars face opposite directions and the occlusal surfaces touch each other and the crown is in one follicle. Class III KMs have been reported previously; however, reports on class III KMs in young people (< 18 years of age) are limited. Case presentation Here, we present the case of KMs class III confirmed at an early age, supported by a review of the literature. The patient was a 16-year-old female and experienced discomfort in the left molar of the lower jaw and visited in our department. We diagnosed KMs based on an impacted teeth on the buccal side, near the lower jaw wisdom teeth, and a cyst-like low-density area observed around the crown of both teeth, as revealed by computed tomography. We decide to extract the tooth and enucleate the cyst under local anesthesia as the patient experienced discomfort due to occlusion. Furthermore, the cyst-like structure removal and tooth extraction including tooth root were necessary as the patient had KM class III, possibly inducing complicated malocclusion. Although no previous reports recommended timing for KMs tooth extraction, we propose that extraction at an early stage is important regardless of age especially in class III cases. Conclusions We report a case of KM class III detected at an early age.
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Clinical investigation of patients with jaw deformity with comorbidities
Kiyohiro Kasahara,Teruhide Hoshino,Kei Sugiura,Yuki Tanimoto,Masahide Koyachi,Masae Yamamoto,Keisuke Sugahara,Masayuki Takano,Akira Katakura 대한악안면성형재건외과학회 2022 Maxillofacial Plastic Reconstructive Surgery Vol.44 No.-
Background: With improvements in the safety and stability of surgeries, the number of orthognathic surgeries isincreasing. Most patients who undergo orthognathic surgeries are younger, and the number of orthognathic surgeriesfor patients with comorbidities is also increasing. We report a survey and clinical investigation of patients withcomorbidities who underwent orthognathic surgeries at our department to improve the safety of orthognathicsurgery. Results: The participants included 296 men and 712 women, with a mean age of 28 years (13?19 years, n=144;20?29 years, n=483; 30?39 years, n=236; 40?49 years, n=102; 50?59 years, n=39; ≥60 years, n=4). In total, 347patients underwent one-stage Le Fort type I osteotomy and sagittal split ramus osteotomy (SSRO), 243 underwentSSRO, 287 underwent plate removal, 126 underwent genioplasty and plate removal, and five underwent othersurgeries. In total, 529 patients had comorbidities (52%), including allergic diseases (n=220, 33%), respiratory diseases(n=107, 16%), neurologic and psychiatric diseases (n=69, 10%), gynecologic diseases (n=28, 4%), hematologicdiseases (n=27, 4%), cardiovascular diseases (n=24, 4%), digestive diseases (n=22, 3%), metabolic and endocrinediseases (n=18, 3%), spinal diseases (n=11, 2%), ophthalmologic diseases (n=11, 2%), renal and urological diseases(n=9, 1%), and other diseases (n=117, 18%). Among the patients with comorbidities, 11 with hemorrhagic diatheses(hemophilia and von Willebrand disease), arrhythmia (atrioventricular block), psychiatric disease (adjustment disorder),and metabolic disease (diabetes) required cautious perioperative management. The patient with hemophilia wasmanaged with regular low-dose recombinant factor VIII replacement therapy, and the patient with type I diabetesmellitus was administered continuous insulin infusion and sliding-scale insulin therapy; both patients had an uneventfulcourse. Conclusions: The study findings suggest that with the increase in orthognathic surgeries, oral and maxillofacialsurgeons should adequately manage cases requiring cautious perioperative control and highlight the importance ofpreoperative screening. Despite the well-established safety and postoperative stability of orthognathic surgeries, oralsurgeons should adopt appropriate additional preventive measures for patients with comorbidities.
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