Moshkelgosha V, Mehrvarz Sh, Saki M, Golkari A
Orthodontic Research Center, Department of Orthodontics, School of Dentistry, Shiraz University of Medical -Sciences, Shiraz, Iran.
Student Research Committee, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.
J Dent Biomater. 2017 Mar;4(1):353-360.
Fixed orthodontic appliances in the oral cavity make tooth cleaning procedures more complicated.
This study aimed to compare the efficacy of computerized oral hygiene instruction with verbal technique among fixed orthodontic patients referred to the evening clinic of Orthodontics of Shiraz Dental School.
A single-blind study was performed in Orthodontic Department of Shiraz, Islamic Republic of Iran, from January to May 2015 following the demonstrated exclusion and inclusion criteria. The sample size was considered 60 patients with 30 subjects in each group. Bleeding on probing and plaque indices and dental knowledge were assessed in the subjects to determine pre-intervention status. A questionnaire was designed for dental knowledge evaluation. The patients were randomly assigned into the computerized and verbal groups. Three weeks after the oral hygiene instruction, indices of bleeding on probing and plaque index and the dental knowledge were evaluated to investigate post-intervention outcome. The two groups were compared by chi-square and student t tests. The pre- and post-intervention scores in each group were compared using paired t-test.
In the computerized group, the mean score for plaque index and bleeding on probing index was significantly decreased while dental health knowledge was significantly increased after oral hygiene instruction, in contrast to the verbal group.
Within the limitations of the current study, computerized oral hygiene instruction is proposed to be more effective in providing optimal oral health status compared to the conventional method in fixed orthodontic patients.
口腔中的固定正畸矫治器使牙齿清洁程序更加复杂。
本研究旨在比较在设拉子牙科学院正畸科晚间门诊就诊的固定正畸患者中，计算机化口腔卫生指导与口头指导的效果。
2015年1月至5月，在伊朗伊斯兰共和国设拉子的正畸科按照既定的排除和纳入标准进行了一项单盲研究。样本量为60例患者，每组30名受试者。对受试者进行探诊出血、菌斑指数和牙科知识评估，以确定干预前的状况。设计了一份问卷用于牙科知识评估。患者被随机分为计算机化组和口头指导组。口腔卫生指导三周后，评估探诊出血指数、菌斑指数和牙科知识，以调查干预后的结果。两组采用卡方检验和学生t检验进行比较。每组干预前后的得分采用配对t检验进行比较。
与口头指导组相比，在计算机化组中，口腔卫生指导后菌斑指数和探诊出血指数的平均分显著降低，而牙科健康知识显著增加。
在本研究的局限性范围内，与传统方法相比，计算机化口腔卫生指导在为固定正畸患者提供最佳口腔健康状况方面更有效。
