Caries is a common oral and dental disease. The main etiology of caries is plaque.Chewing fibrous fruits can prevent plaque accumulation, including Manalagi applesand Fuji apples. The purpose of this study was to determine the differences in theeffectiveness of consuming manalagi apples with fuji apples on the reduction of theplaque index in Madrasah Aliyah Al-Hidayah students. This type of research is aquasi-experimental design with pre test and post test control group. Total sample was32 students aged 16-18. Data were analyzed by statistical test T Test. Based on theresults of the paired t test statistical test, it was found that the average plaque indexbefore chewing an apple was 0.63 ± 0.42 after 0.26 ± 0.26 with a mean of 0.37 ± 0.16.Meanwhile, the plaque index before chewing on Fuji apples was 1.01 ± 0.59 after 0.87± 0.54 with a mean 0.14 ± 0.05. The results of the independent statistical t testshowed that the value of p = 0.001, which means that there is a difference in chewingManalagi apples with Fuji apples to decrease the plaque index. The conclusion of thisstudy is that consuming manalagi apples is more effective than fuji apples in reducingthe plaque index
Increasing the pH of saliva will affect oral health. One way to increase the pH of salivais to chew fruit that is fibrous, crunchy and contains lots of water. The researchobjective was to determine the effect of cucumber on salivary pH at the Bina MandiriSocial Orphanage. This type of research is a one group pretest and posttest groupdesign. The study population was the children at the Rapha-El OrphanageFoundation. The sample size is determined based on the Roscoe formula of 20 people.Methods of data collection by measuring the pH of saliva before and after chewingcucumbers using a digital pH meter. The data that has been collected, then analyzedby paired t test. The results showed that there was a difference in the average pH ofsaliva before and after chewing cucumber (p = 0.001). The conclusion is that there isan effect of chewing cucumber on increasing the pH of saliva in children at the Rapha-El Orphanage Foundation.
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