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首页> 外文期刊>Journal of oral rehabilitation >Relative contribution of restorative treatment to tooth extraction in a teaching institution
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Relative contribution of restorative treatment to tooth extraction in a teaching institution

机译：修复治疗对教学机构拔牙的相对贡献

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Teeth can be extracted due to multiple factors. The aim of this retrospective cross-sectional study was to identify the relative contribution of restorative treatments to tooth loss. The study reviewed records of 826 patients (1102 teeth). Patient's gender, age and education were obtained. In addition to the main reason for extraction (caries, periodontal disease, pre-prosthetic extraction, restorative failure and remaining root), the following information was collected about each extracted tooth: type, the status of caries if any (primary or secondary) and pulpal status (normal or reversible pulpitis, irreversible pulpitis, necrotic or root canal treated) and type and size of restoration, if present. Following data collection, descriptive analysis was performed. A log-linear model was used to examine the association between restorative treatment and tooth loss and between reasons for tooth loss and type of tooth. Lower molars followed by upper molars were the most commonly extracted teeth. Teeth with no restorations or with crowns were less likely to be extracted (P < 0·001). Lower and upper molars and lower premolars were more likely to be extracted due to restorative failure, while lower anterior teeth were more likely to be extracted due to periodontal disease (P < 0·05). Twenty two per cent of the extractions was due to restorative failure, and at least 65·9% of these teeth had secondary caries. Gender, age and educational level were factors that affect tooth loss. In conclusion, teeth receiving multiple restorative therapies were more likely to be extracted.
机译：由于多种因素，可以拔出牙齿。这项回顾性横断面研究的目的是确定修复治疗对牙齿脱落的相对贡献。该研究回顾了826例患者的记录（1102颗牙齿）。获得了患者的性别，年龄和学历。除了拔牙的主要原因（龋齿，牙周病，修复前的拔牙，修复性衰竭和残根），还收集了有关每个拔牙的以下信息：类型，龋齿的状况（如果有的话）（原发或继发）和牙髓状态（正常或可逆性牙髓炎，不可逆性牙髓炎，坏死或根管治疗）以及修复的类型和大小（如果存在）。收集数据后，进行描述性分析。使用对数线性模型检查修复治疗与牙齿脱落之间的关联以及牙齿脱落的原因与牙齿类型之间的关联。小臼齿继之以高臼齿是最常见的拔牙。没有修复物或有冠的牙齿被拔除的可能性较小（P <0·001）。下颌磨牙和上磨牙以及下前磨牙由于修复失败而更容易拔牙，而下前牙由于牙周疾病而更容易拔牙（P <0·05）。 22％的拔牙归因于修复失败，并且这些牙齿中至少有65·9％具有继发性龋齿。性别，年龄和文化程度是影响牙齿脱落的因素。总之，接受多种修复疗法的牙齿更有可能拔出。

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