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Introduction: This study aimed to evaluate the associations between normative orthodontic treatment need and oral health-related quality of life (OHRQoL) at an item level as well as subscale and total score levels among schoolchildren., Methods: A cross-sectional study was conducted on 2,010 randomly selected children aged approximately 8, 10, 12, and 15 years residing in the Gyeonggi province, Korea. Children were clinically examined with the Index of Orthodontic Treatment Need (IOTN). To measure OHRQoL, the Child Oral Health Impact Profile (COHIP) was used., Results: In the physical health domain of COHIP, crooked teeth, discoloration, "food sticking," and "difficulty keeping teeth clean" were significantly associated with IOTN levels (P < 0.05), whereas pain, sensitivity and bleeding, bad breath, mouth breathing, and dry mouth were not. In addition, present and future dental health were significantly associated with IOTN levels, although self-confidence, attractiveness, and future health were not. As expected, the 5 subscale scores and total score of COHIP were significantly associated with IOTN levels after adjustment for gender, age, socioeconomic level, and caries state., Conclusions: This study suggests the importance of in-depth investigation at the item level of OHRQoL assessment scales to better evaluate the impact of malocclusion that might be alleviated by orthodontic treatment., (Copyright © 2018 American Association of Orthodontists. Published by Elsevier Inc. All rights reserved.)

Empirical support for the factor structure of the Child Oral Health Impact Profile (COHIP) has not been fully established. The purposes of this study were to evaluate the factor structure of the Korean version of the COHIP (COHIP-K) empirically using confirmatory factor analysis (CFA) based on the theoretical framework and then to assess whether any of the factors in the structure could be grouped into a simpler single second-order factor. Data were collected through self-reported COHIP-K responses from a representative community sample of 2,236 Korean children, 8-15 yr of age. Because a large inter-factor correlation of 0.92 was estimated in the original five-factor structure, the two strongly correlated factors were combined into one factor, resulting in a four-factor structure. The revised four-factor model showed a reasonable fit with appropriate inter-factor correlations. Additionally, the second-order model with four sub-factors was reasonable with sufficient fit and showed equal fit to the revised four-factor model. A cross-validation procedure confirmed the appropriateness of the findings. Our analysis empirically supported a four-factor structure of COHIP-K, a summarized second-order model, and the use of an integrated summary COHIP score., (© 2016 Eur J Oral Sci.)

Purpose: Oral complications are common in children undergoing head and neck radiation and chemotherapy. The purpose of this study is to examine the knowledge, perceived ability and practice behaviors of pediatric oncology and hematology nurses in assisting with the various oral health care needs of pediatric oncology patients and to identify pediatric oncology nurses' previous training/education, practice types and other demographic characteristics that are related to their oral health competencies., Methods: A survey of a convenience sample of Pediatric Oncology and Hematology Nurses was conducted during the Association of Pediatric Oncology and Hematology Nurses' (APHON) 36(th) Annual Conference and Exhibit. Descriptive analysis and the exploratory factor analyses were performed using SAS version 9.2 (SAS Institute, Inc., Cary, NC)., Results: Among the 300 surveys that were distributed, 235 surveys were completed (78% response rate) by pediatric oncology or hematology nurses who provide direct patient care in the U.S. Approximately 75% reported receiving less than 3 hours of oral health related education/training. Sixty percent did not have a clinical requirement regarding the assessment of the teeth and gums during their nursing school education. Bivariate analyses indicated that nurses who had clinical requirements regarding oral health assessment during nursing education/training presented greater overall oral health competencies including having greater confidence in examining oral complications than those who did not., Conclusion: Pediatric oncology nurses' knowledge, perceived ability and practice in assisting patient's oral hygiene care, preventing and managing oral complications vary by topic and might reflect their educational preparedness. This study may provide valuable information pertaining to the need and opportunity for interprofessional oral health care education and collaboration with nursing and dental professionals, in order to increase access to comprehensive oral care for pediatric cancer patients., (Copyright © 2015 The American Dental Hygienists’ Association.)

This study aimed to assess the perception of the family's primary caregiver on the oral health-related quality of life (OHRQoL), and the impact on family dynamics, of dental treatment under general anesthesia (GA) in adolescent and adult patients with intellectual and developmental disabilities (IDD) and neurocognitive disorders. Self-administered questionnaires were completed, before dental treatment, by 116 primary family caregivers of patients who received dental treatment under GA, and 102 (88%) of these caregivers completed the same questionnaires within 4 wk after treatment. The Child Oral Health Impact Profile (COHIP) and the Family Impact Scale (FIS) were shortened to a 14-item COHIP (COHIP-14) and a 12-item FIS (FIS-12) based on the limitations of patients' communication. The COHIP-14 and FIS-12 scores and each subscale improved after treatment. The baseline scores varied based on certain characteristics of the patients, such as age, disabilities, medications, caregivers, meal types, cooperation levels, and treatment needs. The postoperative improvement in OHRQoL was significant in the patients who were older than 30 yr of age, originally eating soft meals, displaying no or very low levels of cooperation, or receiving endodontic treatment. Based on the primary caregiver perceptions, the OHRQoL of adolescents and adults with IDD and neurocognitive disorders was improved by dental treatment under GA., (© 2014 Eur J Oral Sci.)

Objectives: This study aims to comprehensively assess the association of subjective and objective oral health status and oral health behaviors with happiness, under consideration of demographic, socioeconomic, and general health-related factors. This study also aims to test whether subjective oral health outcomes are better predictors of happiness compared with objective oral health outcomes., Methods: The data were collected from 479 community-dwelling elders aged 65 years or over selected by a cluster sampling method. A questionnaire and an oral examination were implemented. A multiple regression method was conducted to assess associations with happiness index (HI)., Results: The mean age of the elders was 74.6 years. Mean (standard deviation, SD) HI, EuroQol-visual analog scale (EQ-VAS) and 14-item oral health impact profile (OHIP-14) index were 5.7 (SD 2.3), 59.8 (SD 21.1), and 16.3 (SD 13.1). In the final model, a significant association with HI of the OHIP-14 index (P = 0.091) among all the participants and significant associations of oral symptoms (P = 0.038), wearing a removable denture (P = 0.039), and of the oral health behavior of daily toothbrushing (P = 0.007) among poorer oral health QoL group were confirmed under consideration of other related factors. While correlations of HI to subjective measures of health, EQ-VAS and OHIP-14 score were moderate to weak, those to objective measures of health were only weak or insignificant., Conclusions: Oral impacts which might persistently affect one's daily life need to be considered in designing and delivering public services aimed to promote people's happiness. With oral health impacts and behaviors accounting for 10% of happiness among elders, public and community services for the elderly that support oral health and daily toothbrushing for the dentate are critical for the well-being of our elders., (© 2013 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.)

Objectives: The purpose of this study was to assess reliability, discriminant validity, and convergent validity of the Oral Health Impact Profile (COHIP) Korean version in a representative community sample of 8- to 15-year-old Korean children., Methods: A Korean version of COHIP was developed according to the standard procedure of cross-cultural adaptation of self-reported instruments. A representative community sample of 2236 schoolchildren was selected by cluster sampling method., Results: Mean age of the participants was 11.8 years. Mean and median of the overall COHIP score were 103.3 (SD 13.3) and 106, respectively. Internal reliability and retest reliability were excellent with Chronbach's alpha 0.88 and intraclass correlation coefficient 0.88. Face validity was confirmed with 98% of participants reporting the COHIP questionnaire was easy to answer. Nonclinical factors such as self-rated oral health or satisfaction with oral health were significantly related with overall COHIP score and five subscale scores (P < 0.001) in a consistent manner. Children with carious permanent teeth and with orthodontic treatment need had highly significantly lower overall COHIP score (P < 0.01)., Conclusion: The Korean version of the COHIP was successfully developed. The internal reliability, retest reliability, face validity, discriminant validity, and convergent validity of the COHIP Korean version were confirmed., (© 2011 The Authors. International Journal of Paediatric Dentistry © 2011 BSPD, IAPD and Blackwell Publishing Ltd.)

Objective: The aim of this study was to assess the association between oral health-related quality of life (OHRQoL) measured by the oral impacts on daily performances (OIDP) inventory and chewing ability., Methods: The cluster sampling method was used to select a sample of 634 socially active independent community-dwelling elders. An oral examination was conducted and a questionnaire was implemented. After bivariate comparisons, a multivariable two-level logistic model was developed for the dichotomous OIDP indicator using the generalised linear mixed model., Results: The mean age of the participants was 74 years and 56.6% were women. Eight percent were edentulous, and the mean number of teeth was 17.7. Overall, 39.3% of participants had one or more oral impacts on daily performance. Elders with chewing ability of 0-49, 50-74 and 75-99% were approximately 120, 20 and seven times more likely to have oral impacts compared with those with full chewing ability, respectively. Elders reporting their oral health as 'fair' or 'better' were 68% less likely to have oral impacts than those with poor or very poor self-reported oral health., Conclusion: Among independent elders, amelioration of chewing ability including delivery of appropriate prosthodontic care might independently contribute to improving OHRQoL of elders by improving their physical, psychological and social wellbeing., (© 2012 The Gerodontology Society and John Wiley & Sons A/S.)

Purposes: To investigate the distribution of modifiable oral and general health risk behaviors according to socioeconomic status and to examine the extent of clustering of risk behaviors among Korean adolescents., Methods: Self-reported data from 71,404 adolescents were obtained using a stratified cluster sample of students in the 7th to 12th grades who participated in the Korea Youth Risk Behavior Web-based Survey. Multiple logistic regression analysis was used to determine the influence of family affluence on health behaviors and the strength of associations of general health behaviors in models for oral health behaviors., Results: Adolescents of high family affluence level were more likely to frequently brush their teeth, receive preventive dental care, eat breakfast, exercise regularly and become drunk, and were less likely to frequently smoke compared with those from less affluent families. Those who brush their teeth frequently were 19% less likely to smoke, 1.26 times more likely to eat breakfast, and 1.15 times more likely to do exercise. Those who received preventive dental care during the past year were 1.1 times more likely to smoke frequently and 1.38 times more likely to experience drunkenness once or more during the past year., Conclusions: The co-occurrence of oral and general health risk behaviors among Korean adolescents and relatedness to the underlying socioeconomic environment suggest that clustering of health behaviors occurs before adulthood. Integrated efforts toward oral and general health promotion in the socioeconomic construct of the family environment may be needed to effect change in health risk behaviors among adolescents.

Objectives: The aims of this study were to assess predictors of global self-ratings of oral health (GSROH) and to examine whether they varied by age among Korean adults aged 18-95 years., Methods: Data from 4,546 adults aged 18-95 years completing the Korean National Oral Health Survey 2006 were included in the analysis., Results: Subjects' mean age was 43.5 years, with 12.1 percent aged > or = 65 years; 47.8 percent were men; and 2.5 percent were edentulous. The predictors of GSROH in adults were number of missing teeth, concern about oral health, and difficulty in chewing. While wearing removable dentures was associated only in elders, perceived treatment need was associated in younger age groups. The number of decayed and filled teeth was significant only in the 18-44 age group., Conclusions: GSROH status was associated with measures of oral disease, oral functional problems, oral health behaviors, concerns, and perceived treatment needs, and it varied by age.

Global self-ratings of oral health (GSROH) have been used in population surveys to assess oral health status. The aim of this study was to assess various candidate predictors for each response level (very poor, poor, fair, and good/very good) of GSROH among Korean elders. Data from a national representative sample of Korean adults aged 65 years and over was analyzed. The mean age of the 1173 subjects was 72.7 years and 60.2% were women. After bivariate analysis, a generalized multinomial logit model with individual slope parameters was performed. Only 29.5% of elders rated their oral health as good or very good, while 53.1% assessed their oral health as poor or very poor. Significant determinants for GSROH for elders (including dentate and edentulous) were difficulty chewing, concern about oral health, the number of missing teeth, and denture state. Income and education were not significant determinants. The number of decayed teeth was an additional determinant in the model for the dentate only subgroup. The indicator demarcating response at a good/very good oral health level compared with poorer oral health levels for all (dentate and edentulous) elders was not reporting having much difficulty chewing. Experiencing loss of 10 or more teeth and being concerned about their oral health distinguishes those in the poor or very poor GSROH levels from the others. For dentate elders, having untreated dental caries was also distinguishing for those reporting very poor oral health. Public health programs aimed at correcting significant chewing functional difficulties in the elderly, by restoring or replacing missing teeth, may alleviate the oral health concerns and improve the overall oral health of the elderly.

Objective: The aim of this study was to assess the association of chewing ability to oral health-related quality of life (OHRQoL) measured by the Oral Health Impact Profile-14 (OHIP-14) controlling for clinical oral health status, self-reported health status, demographic factors, and socioeconomic conditions among community-dwelling and institutionalized Korean elders., Methods: This cross-sectional study comprised a sample of 307 community-dwelling and 102 institutionalized people over the age of 60, using a cluster sampling procedure. A questionnaire was implemented and a clinical oral examination was completed for each subject. The outcome variable of interest was the OHIP-14 score, and its associations with chewing ability, objective oral health status, self-reported health status, demographic factors, and socioeconomic conditions were assessed. Because of highly-skewed distribution of the OHIP-14 scores, nonparametric analytic methods were used. The final model was developed using a multivariable two-level logistic regression model for a dichotomized OHIP-14 score to account for the cluster sampling method applied to this study., Results: The mean age of the participants was 75.4 years, with 67.7% being women. The median OHIP-14 score was 7. Negative oral health impacts were experienced fairly often or very often by a total of 36.4% of elderly. In the final model, elders who could chew none to three and four to six foods among seven indicator foods were 3.4 (P = 0.010) and 2.0 (P = 0.040) times more likely, respectively, to have worse OHRQoL compared with elders who could chew all seven food types. Also significant associations with worse OHRQoL were shown for being concerned about oral health [Odds Ratio (OR) = 4.9, P = 0.002], fair or better self-reported oral health (OR = 0.12, P = 0.002), very good/good self-reported general health (OR = 0.38, P = 0.008), being married (OR = 2.0, P = 0.054), and having a favourable economic status (OR = 0.43, P = 0.042)., Conclusions: This study showed highly significant association between chewing ability and OHRQoL measured by the OHIP-14 score after controlling for related factors. Amelioration of chewing ability might independently contribute to improving the OHRQoL of elders.

Objective: This prospective observational study examined differences in perceived oral health status, treatment needs, dental care utilization patterns, and barriers to care between HIV-infected non-Hispanic blacks and whites in North Carolina., Methods: 632 adult HIV-infected medical clinic attendees provided information on their oral health status and dental care history during face-to-face interviews with a trained interviewer., Results: Compared to whites, blacks were significantly more likely to be female, older, less educated, have lower income, and have acquired HIV by heterosexual sex or injecting drug use. Although two-thirds of patients reported good oral health, blacks were significantly more likely to have loose teeth, need extractions, and be episodic dental care utilizers. Primary barriers to dental care were cost (30%), fear (19%), and low motivation (13%). Sixty-five percent of patients had unmet dental needs in the last three years. Race, cost, fear, and immune competence were significantly associated with unmet dental need in a multivariable model., Conclusions: Disparities exist within this HIV-infected population in oral symptoms, utilization patterns, and perceived unmet dental need. Targeted interventions that address barriers to care are needed to help establish preventive dental care patterns in this region, especially among blacks.

Objective: The purpose of this investigation was to quantify human immunodeficiency virus type-1 (HIV-1) RNA in saliva and plasma and identify factors associated with increased salivary viral load., Study Design: Forty HIV-1-seropositive adults underwent oral examinations to assess mucosal and periodontal health. Whole saliva was evaluated for HIV-1 RNA titer and occult blood. Plasma viral load, CD4 cell count, HIV-1 staging, and antiretroviral therapy data were obtained from medical records. Associations between salivary titers and oral/systemic parameters were analyzed by means of t tests, Wilcoxon signed rank tests, Pearson's correlation coefficient, and analysis of covariance., Results: Forty-two percent of the subjects had detectable salivary HIV-1 RNA. Oral titers were highly correlated with plasma viral levels (r = 0.51, P <.01). HIV-associated periodontal disease (in particular, linear gingival erythema), severe gingival inflammation, and absence of antiretroviral therapy were associated with high salivary titers (P <.01)., Conclusions: Substantial quantities of HIV-1 can be shed in the oral cavity, particularly when inflammatory conditions are present. Salivary titer may be a useful indicator of systemic viral burden.