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2014, Vol.14, No.3

  • 1.

    The relationship between dental prosthesis status, prosthesis need and mastication function in the Korean elderly population - The 5th Korea National Health and Nutrition Examination Survey(2010-2012)-

    최미숙 | Lee Jong Hwa | Yun-Hyun-Kyung | 2014, 14(3) | pp.293~302 | number of Cited : 4
    Abstract PDF
    Objectives : The objective of this study was to investigate the relationship between the statusand necessity of dental prosthesis and mastication function in the Korean elderly. Methods : This study investigated 4,557 elderly people aged over 65 in the 5th Korea NationalHealth and Nutrition Examination Survey(2010-2012). Frequency analysis, χ2 test, and logisticregression analysis were used. Results : Those aged over 75 complained of greater discomfort in mastication function thanthose from 65 to 74, and it was statistically significant(p<0.001). Mastication discomfort was notso significant in those with higher education and higher income(p<0.001). Those who did notuse prosthesis tended to have better mastication function(p<0.001). Denture users complainedof mastication discomfort when they used it(p<0.001). Conclusions : This study verified the relationship between the discomfort in mastication andrelated factors, and will provide the basic data for the access to dental clinic services.
  • 2.

    Influencing factors on bite force of adults in twenties

    Mi-Ra Lee | Su-Jin Jung | 2014, 14(3) | pp.303~310 | number of Cited : 2
    Abstract PDF
    Objectives : The purpose of the study is to investigate the effects of bite force by genderand physical features. Methods : A self-reported questionnaire was filled out by 212 college students in Chungnamprovince from October to December, 2013. The questionnaire consisted of oral health condition. The bite force of the first molar teeth was measured. Results : Males showed the greater bite force than females(p<0.001). Those who hadtemporomandibular joint(TMJ) disorder suffered from mouth opening difficulty and weaker biteforce than those who had not(p<0.05). Those who had malocclusion showed weaker bite force(p<0.01). Those who had a habit of chewing gums tended to have greater bite force than thosewho had not(p<0.05). The bite force was correlated with height(r=0.309), weight(r=0.345), andBMI(r=0.249)(p<0.01). Conclusions : Males showed greater bite force than females. The temporomandibular joint(TMJ) disorder, subjective malocclusion, and eating habit also affected the bite force.
  • 3.

    Satisfaction of oral hygiene devices by the removal of halitosis

    Soo-Kyung Kim | 조혜원 | 백세림 and 1other persons | 2014, 14(3) | pp.311~317 | number of Cited : 0
    Abstract PDF
    Objectives : The purpose of the study is to investigate the relationship between the removalof halitosis and use of oral hygiene devices. Methods : A self-reported questionnaire was filled out by 300 patients visiting to dental clinicsin Gyeonggi-do from May to June, 2013. The questionnaire consisted of general characteristics,oral health related characteristics, satisfaction of oral hygiene devices were measured. Results : Halitosis accounted for 11.0% in dental clinic visit. In order to remove halitosis,dental floss is the most satisfactory and effective method of all auxiliary oral hygiene devices. Conclusions : A variety of auxiliary oral hygiene devices are being sold and used to removehalitosis. It is important to choose the most effective oral hygiene devices to remove halitosis.
  • 4.

    Association between bone mineral density and remaining teeth in postmenopausal women

    Lee, Kyeong-Soo | Kim, Chang-suk | 2014, 14(3) | pp.319~326 | number of Cited : 3
    Abstract PDF
    Objectives : The purpose of the study is to investigate the factors affecting the bone densityand the relationship between bone density and remaining teeth by using data from 2007 to 2009of the 4th Korean National Health and Nutrition Examination Survey(KNHANES). Methods : The subjects were 1,829 postmenopausal women over 50 years old from the dataof the 4th KNHANES. Results : The bone density had the significant difference in ‘age’ and ‘level of education’ andremaining teeth had the significant difference in age, monthly income and level of education. The bone mineral density and remaining teeth had the significantly different from subjective generalhealth, smoking, drinking, physical activity. The oral health behaviors and remaining teeth hadthe significantly associated in subjective oral health status, frequency of tooth brushing, use ofauxiliary oral hygiene product, and recent oral examination. Conclusions : The number of remaining teeth is below 9.27 compared with the normal group.
  • 5.

    Correlation between oral health status and smoking in soldiers

    song-sook kim | YOON-SHIN KIM | JUNG MEE HEE and 1other persons | 2014, 14(3) | pp.327~332 | number of Cited : 5
    Abstract PDF
    Objectives : The purpose of the study is to investigate the self awareness of oral health,dental calculus and gingivitis according to smoking in soldiers. Methods : A self-reported questionnaire was filled out by 601 soldiers in Jeonnam militaryunit from April 7 to 23, 2013. The screening for oral examination was performed in the soldiers. The data were analyzed for frequency analysis and chi-square test by using SPSS 21.0 program. Results : The self awareness of smoking on oral health accounted for 27.0% in good statusin nonsmokers, 23.5% of the past smokers answered good, and 16.5% of the smokers answeredgood. Approximately, 68.7% had dental calculus(p<0.05). The smokers tended to have moregingivitis than the nonsmokers and the past smokers(p<0.05). Conclusions : Smokers had low level of self awareness of oral health than the nonsmokersand the past smokers.
  • 6.

    Oral health knowledge and attitude toward the patients in dental hygienists

    Sookhyang Kim | 이윤지 | 문정원 and 1other persons | 2014, 14(3) | pp.333~341 | number of Cited : 4
    Abstract PDF
    Objectives : The purpose of the study is to investigate the oral health knowledge and attitudetoward the patients and to provide the right direction for oral health improvement in the dentalhygienists. Methods : A self-reported questionnaire was filled out by the 297 adult patients who weretaught by the oral health education by the dental hygienists in Seoul and Gyeonggi provincefrom May-July 2013. Results : Among the patients, 34.7 percent replied that they had oral health education bythe dental hygienists. The intention to revisit to dental clinic accounted for 60.6%. Those havingthe oral health education by the dental hygienists accounted for 67.7%. Conclusions : It is very important for the dental hygienists to educate the patients on theoral health knowledge that can influence the dental clinic revisit intention.
  • 7.

    The influence of sleep quality of patients at initial stage of orthodontic treatment

    김미영 | PARKJUNGHYUN | 정남영 and 4other persons | 2014, 14(3) | pp.343~351 | number of Cited : 2
    Abstract PDF
    Objectives : The purpose of the study is to investigate the influencing factors on the sleepquality in patients with fixed orthodontic appliances. This study intended to find out the improvingmeasures of sleep quality in orthodontic patients. Methods : The subjects were 222 orthodontic patients in Busan. A self-reported questionnairewas filled out by the patients from June to August, 2012. Data were analyzed by SAS version 9.20including frequency analysis, ANOVA, t-test, multiple regression analysis, and Duncan post-hoc test. Results : The quality of sleep in the patients at the initial stage of orthodontic treatment wasinfluenced by ceramic orthodontic appliances, tooth extraction, Bite adjustment, disturbed sleephabits, and temporomandibular joint pain. Conclusions : The most important factors influencing on the sleep quality were the anxietytoward the treatment and tooth extraction at the initial stage of treatment. A more careful conversationand collaboration are needed in the orthodontic treatment.
  • 8.

    Subjective oral dryness and stimulated salivary flow rate in medicated patients in chronic severe psychiatric patients

    So Jung Mun | 서혜연 | 전현선 and 3other persons | 2014, 14(3) | pp.353~362 | number of Cited : 3
    Abstract PDF
    Objectives : The purpose of the study is to investigate the xerostomia in the chronic severepsychiatric patients in Korea because there were few reports on xerostomia in the psychiatric patients. Methods : The subjects were 61 psychiatric patients in the mental hospital by conveniencecluster sampling. A self-reported symptom questionnaire was filled out by the three researcherson the basis of medical records by the informed consent. The stimulated salivary flow rate ofthe patients was measured by saliva sampling. Results : The subjects consisted of 45.9% of male and 54.1% of female. High school graduationaccounted for 40.0% and 20.0% did not attend the school. The majority of the patients weremedicaid recipients. Schizophrenia accounted for 86.9% and most patients were long term carerecipients. A total of 68.9% of the patients suffered from salivary dysfunction. The medicationin schizophrenia seemed to decrease the stimulated salivary flow rate and made the patients difficultin chewing and swallowing due to xerostomia and low saliva secretion(p<0.05). Conclusions : Medication in schizophrenic patients caused the salivary dysfunction. So thecollaboration between the psychiatry doctors and dental hygienists is very important to improvethe salivary secretion in the schizophrenic patients. The continuous and long term care of thexerostomia will help the patients maintain the good oral hygiene.
  • 9.

    The effect of oral hygiene care program in stroke patients

    동판 | 이윤희 | Hee-Kyung Lee | 2014, 14(3) | pp.363~370 | number of Cited : 2
    Abstract PDF
    Objectives : The purpose of the study is to investigate the effect of the oral hygiene careprogram in stroke patients. Methods : The subjects were 62 stroke patients of rehabilitation department in YoungnamUniversity Hospital in Daegu. The study was carried out from January, 2010 to October, 2010. Intervention group was 35 and the control group was 31 patients. Tooth brushing instruction,oral health education and scaling were implemented in all patients at baseline. This programwas conducted 5 times during hospitalization in intervention group. Results : In the intervention group, the mean age was 59.2 years, and women accountedfor 66.7% and the control group consisted of 72.4% of women and mean age was 58.5 years. The average of the number of permanent teeth with experience of dental caries, the values ofdental calculus index, plaque index, bleeding index and tooth mobility were 11.88, 11.79, 9.91,3.16 and 1.16, respectively. The control group showed 10.21, 11.79, 9.91, 3.16 and 1.16,respectively. The proportion of subjects whose CPI was higher than 3 accounted for 97%, andthe O'Leary index score was 38.6 in the intervention grou. The control group showed 100%and 38.79. Conclusions : Oral condition improved significantly in the intervention group in the thirdsession. These findings may provide essential information for oral health program planning andimplementation.
  • 10.

    Correlation between quality of sleep and dental fear in implant surgery patients

    Jin MI Young | 김선옥 | Byeng Chul Yu | 2014, 14(3) | pp.371~379 | number of Cited : 0
    Abstract PDF
    Objectives : The purpose of this study is to investigate the correlation between quality ofsleep and dental fear in implant surgery patients. Methods : A self-reported questionnaire was filled out by 153 implant patients from December2012 to February 2013 in dental clinics and hospitals in Busan and Changwon. Data were analyzedby descriptive analysis, t-test, ANOVA and multiple regression analysis using SAS version 9.20. Results : The quality of sleep in the implant patients was 41.0±6.0. The systemic diseasesinfluenced on the quality of sleep and dental fear also affected the quality of sleep. Conclusions : The results of the analysis of a relationship between the fear perception ofdental implant surgery patients and the quality of their sleep showed that the patients with systemicdiseases, the patients with a fear by the physical stimulation relating to implant treatment showedthe low quality of sleep.
  • 11.

    Relationship between job-stress and temporomandibular joint disorder in dental hygienists

    정은영 | 김명래 | 2014, 14(3) | pp.381~390 | number of Cited : 7
    Abstract PDF
    Objectives : The purpose of the study is to investigate the relationship between job-stressand temporomandibular joint(TMJ) disorder in dental hygienists. This study will provide thebasic data to improve the working condition and the quality of life. Methods : The subjects were 229 dental hygienists at general hospitals in Seoul, Korea. Aself-reported questionnaire was filled out from May 20 to June 20, 2013. The questionnaire consistedof 4 questions of demographic features, 11 questions for TMJ symptoms and 5 questions forjob stress. The data were analyzed by frequency analysis, chi-square test, Mann-Whitney U testand multiple job-stress logistic regression analysis using SPSS version 21.0. Results : During the last six months, 53.3%(122 persons) of the dental hygienists had TMJdisorder symptoms including joint noise(40.6%, 93 persons), TMJ pain(31.4%, 71 persons) andlimitation of TMJ(21.8%, 50 persons). Job-stress is divided into two ranges including high stressgroup(4.3-5.0 points) and low stress group(0.0-3.6 points) in TMJ pain and joint noise(p<0.05). TMJ pain was closely related to low back pain, pelvis pain and tension headache arising fromthe uncomfortable working posture. Conclusions : It is necessary to prevent the job stress in the dental hygienists by the improvementof working condition, emotional stability, and frequent postural change.
  • 12.

    Comparison of oral health knowledge and behavior in the teachers with or without the school dental clinic

    Jang, yun jung | 2014, 14(3) | pp.391~398 | number of Cited : 1
    Abstract PDF
    Objectives : The purpose of the study is to investigate the oral health knowledge and behaviorin teachers with or without the school dental clinic. Methods : The subjects were 133 teachers with or without the school dental clinic in Gunsan. A self-reported questionnaire was filled out by the teachers from September 9 to November 2,2013. The data were analyzed by SPSS version 21.0. Results : The groups were divided into two. Experimental group was school dental clinicoperation group and the control group was no operation group. The experiment group showedthe high score of recognition of fluoridation and sealant(p<0.01). The control group showed thehigh score of recognition of sealant(p<0.01). Conclusions : Continuous operation of the school dental clinic is essential to promote thelifelong oral health care in the elementary school children and the teachers. So the nationwideexpansion of the continuous school dental clinic is very important to prevent the dental cariesin the elementary school children.
  • 13.

    The evaluation of oral health behavior between students studying in Canada and college students in Korea

    김영숙 | Min Hee-Hong | 2014, 14(3) | pp.399~406 | number of Cited : 1
    Abstract PDF
    Objectives : The purpose of the study is to investigate the oral health behaviors betweenstudents studying in Vancouver, Canada and college students in Daejeon, Korea. Methods : A self-reported questionnaire was filled out by 239 students in November, 2013. The questionnaire consisted of oral health behavior including tooth brushing methods betweentwo countries. Chi-square test and t-test were analyzed. The analyses were conducted using Rversion 2.14.2(R Foundation for statistical Computing, Vienna, Austria). Results : The number of tooth brushing in Korean students was higher than those in Canada. Fifty nine percent of the Koreans brushed their teeth 3 times a day while 62.3% of studentsin Canada brushed their teeth 2 times a day(p<0.0001). Those who were taught on oral healtheducation tended to brush the teeth more frequently that those who had not. Koreans and Japanesetended to brush teeth more frequently after breakfast than the Taiwanese(p=0.005). Koreans alsobrushed teeth after dinner more frequently than Japanese, Taiwanese, and other foreigners(p=0.012). Conclusions : This study indicated that Koreans have better oral health behaviors in comparisonto students studying abroad.
  • 14.

    Influencing factors on attitude, stress and satisfaction in clinical practice

    장미화 | Ju Hu Kim | 2014, 14(3) | pp.407~415 | number of Cited : 11
    Abstract PDF
    Objectives : The purpose of this study is to investigate the influencing factors on attitude,satisfaction and stress in clinical practice in dental hygiene students. Methods : The subjects were 304 dental hygiene students living in Suwon. The data werecollected from 2012 to 2013 by a self-reported questionnaire. The data were analyzed using SPSS. Results : Clinical practice showed good results in attitude, satisfaction and stress than thatin the classroom. Satisfaction in the classroom practice was proportional to clinical practice. Thecontents, learning management system, and the assessment tool in the classroom influenced onthe dental clinical practice. As the dental clinic practice became stressful, the students tendedto have negative feelings for the practice. Conclusions : In order to provide the best clinical practice contents to the dental hygienestudents, it is important to prepare the best combination of the contents, learning managementsystem, and the assessment tool in the classroom.
  • 15.

    Development and evaluation of oral health education program using computer assisted instruction for elementary school children

    문원숙 | Hwang Tae Yoon | Lee, Kyeong-Soo | 2014, 14(3) | pp.417~424 | number of Cited : 4
    Abstract PDF
    Objectives : The purpose of the study is to develop and to evaluate the oral health educationprogram using computer assisted instruction(CAI) for the elementary school students. This studywas carried out from November, 2012 to February, 2013. Methods : The subjects were 188 elementary school students of the first, second, and thirdgrades in Buk-gu, Busan. The education was provided as computer assisted instruction andconventional classroom education. Three trained dental hygienists recorded three times of knowledgeof oral health, oral health attitude, oral health behaviors and the plaque control index(O'Learyindex). Results : CAI group showed high score of oral health knowledge of 6.74 points, 8.62 pointsand 8.38 points(p<0.01). In oral health attitude, the scores were 7.40 points, 8.01 points, and7.99 points(p<0.05). In oral health behavior, the scores were 5.47 points, 6.14 points, and 5.61points(p<0.05). The plaque control index was 22.59 points, 19.69 points, and 21.44 points(p<0.01). Conclusions : CAI education program of this study showed the effective education for theelementary school students. So the CAI education program can be useful and disseminated tothe community project.
  • 16.

    Correlation between amalgam restorations and urinary mercury level in children for 1 year

    Baek Hye Jin | Jeong Seong Hwa | CHOI YOUN HEE | 2014, 14(3) | pp.425~430 | number of Cited : 0
    Abstract PDF
    Objectives : The purpose of this study is to investigate the correlation between amalgamrestorations and urinary mercury levels in children for 1 year. Amalgam restoration has beenwidely used for over 200 years. But released mercury from amalgam can increase the concentrationof mercury in the body. Methods : The subjects were 463 elementary school children. Oral examination, urine sampling,and questionnaire survey were performed at baseline and after 1 year. Results : Amalgam restoration increased the urinary mercury level to 0.55±0.13 ㎍/g creatinine. In the regression analysis, variation of urinary mercury excretion were positively associated withamalgam surfaces and fish consumption. Conclusions : Small amount of mercury release from amalgam restoration was closely associatedwith increasing urinary mercury level.
  • 17.

    Recognition between laypersons and dental hygienists on expansion of health insurance of scaling

    On-Ju Ju | 강은주 | Seung-Hee Woo and 3other persons | 2014, 14(3) | pp.431~438 | number of Cited : 21
    Abstract PDF
    Objectives : The purpose of the study is to investigate the recognition between laypersonsand dental hygienists on expansion of health insurance of scaling. Methods : A self-reported questionnaires was filled out by 100 laypersons and 100 dental hygienists from October 7, 2013. Data were analyzed by SPSS version 21.0 program. Results : All the dental hygienists recognized the introduction of the health insurance of scalingand 71.0% of the laypersons agreed. The introduction of health insurance of scaling was responsiblefor the interest toward scaling in 80 dental hygienists(80.0%) and 66 laypersons(66.0%). 94% ofdental hygienists answered that health insurance of scaling would prevent periodontal diseases. The expansion of health insurance of scaling revealed many periodontal diseases and 52% oflaypersons answered that prevention of periodontal diseases would deprive the dental hygienistsof their jobs. Conclusions : The expansion of health insurance of scaling can prevent the periodontal diseasesand enhance the oral health services. So the government must try to expand the health insuranceof scaling.
  • 18.

    The effects of depression and anxiety on pain in ultrasonic scaling treatment

    황미 | Sookhyang Kim | KyeongHee Lee | 2014, 14(3) | pp.439~446 | number of Cited : 8
    Abstract PDF
    Objectives : The purpose of the study is to investigate the correlation between the pain,depression, dental anxiety in the patients visiting to dental clinic for the ultrasonic scaling treatment. Methods : The study is a cross-sectional correlation study. A self-reported questionnaire wasfilled out by 254 patients having no history of mental illness in Seoul and Gyeonggido fromDecember 12 to 20, 2013. The study instruments included modified Beck’s Depression Inventory(BDI), STAI items by Spilberger, Humphis’ Modified Dental Anxiety Survey(MDAS), and VisualAnalogue Scale. Results : There existed correlation between the ultrasonic scaling pain, depression, dental anxiety,trait anxiety, and state anxiety. Dental anxiety was the most influencing factors on the pain. Conclusions : It is very important to reduce the anxiety in the patients more actively.