Nogami Shinnosuke, Yamauchi Kensuke, Yamashita Toshio, Kataoka Yoshihiro, Hirayama Bunichi, Tanaka Kenko, Takahashi Tetsu
Division of Oral and Maxillofacial Surgery, Department of Oral Medicine and Surgery, Tohoku University Graduate School of Dentistry, Sendai, Japan.
Dent Traumatol. 2015 Feb;31(1):73-6. doi: 10.1111/edt.12129. Epub 2014 Sep 19.
BACKGROUND/AIM: The aim of this study was to investigate the trends and characteristic features of mandibular condyle fractures in elderly patients in terms of etiology, patterns, and treatment modalities.
Records of 201 patients aged 65 years and older, who were treated for maxillofacial fractures at the Department of Oral and Maxillofacial Surgery, Kyushu Dental University, and Tohoku University from January 2002 to December 2013, were retrospectively analyzed. Patient records and radiographs were examined, with the following information: relevant medical history, cause of fracture, the presence and state of premolars and molars in the maxilla and mandible, number and location of mandible fracture, and method of treatment. As for the state of premolars and molars, premolars or molars in the mandible in contact with the maxilla were regarded as contacted.
A fall was responsible for the majority of the fractures (173/201). With condyle fractures, there was a significant difference between the contacted and non-contacted group in regard to incidence. Furthermore, there was a significantly greater number of cases with symphysis and condyle combination fractures in the non-contacted group (70.9%) than in the contacted group (51.9%). As for the method of treatment, arthrocentesis was the most commonly employed.
The present findings suggest that contacted molars in the maxilla and mandible have an influence on condyle fractures in elderly individuals.
背景/目的:本研究旨在从病因、骨折类型及治疗方式方面,探讨老年患者下颌髁突骨折的趋势和特征。
对2002年1月至2013年12月在九州牙科大学口腔颌面外科及东北大学接受颌面骨折治疗的201例65岁及以上患者的记录进行回顾性分析。检查患者记录及X光片,获取以下信息:相关病史、骨折原因、上下颌前磨牙及磨牙的存在情况及状态、下颌骨折的数量及位置,以及治疗方法。对于前磨牙及磨牙的状态,将下颌中与上颌接触的前磨牙或磨牙视为接触。
大多数骨折(173/201)由跌倒所致。对于髁突骨折,接触组与非接触组在发病率方面存在显著差异。此外,非接触组中联合颏部和髁突骨折的病例数(70.9%)显著多于接触组(51.9%)。至于治疗方法,关节穿刺是最常用的。
目前的研究结果表明,上颌和下颌中接触的磨牙对老年个体的髁突骨折有影响。