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Abstract：
BACKGROUND: The objective of the study was to retrospectively assess the clinical performance of dental prostheses, single crowns, and three-unit bridges to identify clinical biological and mechanical complications in the Ha\'il province of Saudi Arabia.
METHODS: The study was conducted between March 2021 to October 2021 and included 421 patients who underwent crown and tooth-supported fixed partial denture (FPD) procedures at the Dental Polyclinics Center in the Ha\'il region of Saudi Arabia from 2010-2020. The planned sampling approach was applied. Patients who underwent crown and FPD placements at the dental center within the scheduled period were identified through clinical assessments. The inclusion criteria were met by patients with three-unit FPDs and a single crown containing a natural contralateral tooth or teeth. A total of six general dentists conducted clinical exams. Patient satisfaction and technical and biological issues were the evaluation criteria for crowns and FPDs. The frequency and percentage of the various characteristics employed in the current investigation were ascertained using cross-tabulation. The Chi-square test was employed to assess the associations between categorical variables, with p-values ≤ 0.05 considered significant. Results: Marginal integrity was recorded in 332 participants (78.9%), which was satisfactory for the majority of the restoration. The acceptance morphology was present in 252 (59.9%) restorations. The highest rate of the restorations 274 (66.2%) had satisfactory color. In 86 cases (20.4%), there was visible periodontal depth of at least 5 mm. Three hundred and six (72.7%) of the fixed restorations had gingival bleeding connected to them, and 96 (22.8%) teeth had periapical lesions. A total of 311 patients (73.9%) reported they were satisfied with their fixed restorations.
CONCLUSIONS: The technical and biological complications noted in the current study were not higher compared with other studies of crowns and fixed dental prostheses. The majority of patients were satisfied with the restoration.
METHODS: The study was conducted between March 2021 to October 2021 and included 421 patients who underwent crown and tooth-supported fixed partial denture (FPD) procedures at the Dental Polyclinics Center in the Ha\'il region of Saudi Arabia from 2010-2020. The planned sampling approach was applied. Patients who underwent crown and FPD placements at the dental center within the scheduled period were identified through clinical assessments. The inclusion criteria were met by patients with three-unit FPDs and a single crown containing a natural contralateral tooth or teeth. A total of six general dentists conducted clinical exams. Patient satisfaction and technical and biological issues were the evaluation criteria for crowns and FPDs. The frequency and percentage of the various characteristics employed in the current investigation were ascertained using cross-tabulation. The Chi-square test was employed to assess the associations between categorical variables, with p-values ≤ 0.05 considered significant. Results: Marginal integrity was recorded in 332 participants (78.9%), which was satisfactory for the majority of the restoration. The acceptance morphology was present in 252 (59.9%) restorations. The highest rate of the restorations 274 (66.2%) had satisfactory color. In 86 cases (20.4%), there was visible periodontal depth of at least 5 mm. Three hundred and six (72.7%) of the fixed restorations had gingival bleeding connected to them, and 96 (22.8%) teeth had periapical lesions. A total of 311 patients (73.9%) reported they were satisfied with their fixed restorations.
CONCLUSIONS: The technical and biological complications noted in the current study were not higher compared with other studies of crowns and fixed dental prostheses. The majority of patients were satisfied with the restoration.
摘要：
背景：该研究的目的是回顾性评估假牙的临床表现，单冠,和三个单元的桥梁，以确定沙特阿拉伯Ha\'il省的临床生物和机械并发症。
方法：该研究于2021年3月至2021年10月进行，包括421例患者，他们在2010-2020年在沙特阿拉伯哈伊地区的牙科综合诊所中心接受了牙冠和牙齿支撑固定局部义齿（FPD）手术。采用计划抽样方法。通过临床评估确定在预定时间内在牙科中心接受牙冠和FPD安置的患者。具有三单元FPD和包含天然对侧牙齿或牙齿的单个牙冠的患者符合纳入标准。共有六名普通牙医进行了临床检查。患者满意度以及技术和生物学问题是冠和FPD的评估标准。使用交叉制表法确定当前调查中采用的各种特征的频率和百分比。卡方检验用于评估分类变量之间的关联，p值≤0.05被认为是显著的。结果：332名参与者（78.9%）记录了边际完整性，这是令人满意的大多数恢复。接受形态存在于252个(59.9%)修复体中。修复物274的最高比率（66.2％）具有令人满意的颜色。86例（20.4%），可见牙周深度至少为5mm。三百零六个（72.7％）的固定修复体与牙龈出血有关，96颗（22.8%）牙齿有根尖周病变。共有311名患者（73.9％）报告他们对固定修复体感到满意。
结论：与其他牙冠和固定假牙研究相比，本研究中提到的技术和生物并发症并不高。大多数患者对修复感到满意。
方法：该研究于2021年3月至2021年10月进行，包括421例患者，他们在2010-2020年在沙特阿拉伯哈伊地区的牙科综合诊所中心接受了牙冠和牙齿支撑固定局部义齿（FPD）手术。采用计划抽样方法。通过临床评估确定在预定时间内在牙科中心接受牙冠和FPD安置的患者。具有三单元FPD和包含天然对侧牙齿或牙齿的单个牙冠的患者符合纳入标准。共有六名普通牙医进行了临床检查。患者满意度以及技术和生物学问题是冠和FPD的评估标准。使用交叉制表法确定当前调查中采用的各种特征的频率和百分比。卡方检验用于评估分类变量之间的关联，p值≤0.05被认为是显著的。结果：332名参与者（78.9%）记录了边际完整性，这是令人满意的大多数恢复。接受形态存在于252个(59.9%)修复体中。修复物274的最高比率（66.2％）具有令人满意的颜色。86例（20.4%），可见牙周深度至少为5mm。三百零六个（72.7％）的固定修复体与牙龈出血有关，96颗（22.8%）牙齿有根尖周病变。共有311名患者（73.9％）报告他们对固定修复体感到满意。
结论：与其他牙冠和固定假牙研究相比，本研究中提到的技术和生物并发症并不高。大多数患者对修复感到满意。
