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BACKGROUND: Postoperative pain and swelling following third molar (M3) removal can be debilitating, and there is interest in using advanced platelet-rich fibrin (A-PRF) to reduce their severity. PURPOSE: This study compared postoperative pain and swelling between A-PRF and gelatin dressing in extraction sockets following mandibular M3 removal. METHODS, SETTING, SAMPLE: This split-mouth, single-blinded, randomized controlled trial was completed at the Oral Surgery clinic of University of Otago between November 2020 and July 2021. Patients aged between 16 and 40 years with bilaterally impacted mandibular M3 of similar Pederson index difficulty and deemed to be American Society of Anesthesiologists (ASA) I or II comprised the study sample. PREDICTOR/EXPOSURE/INDEPENDENT VARIABLE: The exposure variable was M3 socket management. One socket received A-PRF and 1 gelatin dressing, while the other received 2 gelatin dressings. MAIN OUTCOME VARIABLE(S): The outcome variables were postoperative pain and swelling over 7 days. Pain was measured using the visual analog scale (VAS), and swelling using stereophotogrammetry. COVARIATES: Demographic characteristics (gender, ethnicity, and age), dental anxiety, smoking status, Pederson index, and intraoperative surgical time were the covariates. ANALYSES: The two sides were compared using cross-tabulations and the McNemar test for categorical and paired t-tests for continuous variables. Statistical analysis used IBM SPSS Statistics for Windows (version 28).The Alpha level was 0.05. RESULTS: 76 (87.3%) of 87 patients who met the eligibility criteria participated in the study, and 70 patients (65.7% female; age range 16-30 years) were included in the analysis. Mean visual analog scale scores showed no statistically significant difference between the A-PRF and control sides, being 29.6 (95% CI 23.9, 35.3) and 29.5 (95% CI 23.5, 35.5) on day 2, and falling to 12.6 (95% CI 8.7, 16.5) and 14.2 (95% CI 10.0, 18.4) by day 7. Likewise, mean peak facial swelling on day 2 was recorded as 6.3 cm3 (95% CI 4.9, 7.7) and 6.6 cm3 (95% CI 5.5, 7.7), and by day 7 they were 1.1 cm3 (95% CI 0.5, 1.7) and 1.0 cm3 (95% CI 0.3, 0.7) on the A-PRF and control sides, respectively. CONCLUSIONS: A-PRF placement in M3 sockets did not reduce postoperative pain and swelling over gelatin dressing alone.
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Edema , Tercer Molar , Dimensión del Dolor , Dolor Postoperatorio , Fibrina Rica en Plaquetas , Extracción Dental , Humanos , Dolor Postoperatorio/prevención & control , Tercer Molar/cirugía , Femenino , Masculino , Adulto , Edema/etiología , Extracción Dental/efectos adversos , Adolescente , Método Simple Ciego , Adulto Joven , Diente Impactado/cirugía , Vendajes , Gelatina/uso terapéuticoRESUMEN
INTRODUCTION: The purpose of this study was to investigate the longitudinal psychosocial effects of changes in malocclusion from adolescence to adulthood on oral health-related quality of life (OHRQOL), self-rated dental appearance, and overall life satisfaction. METHODS: The Dunedin Multidisciplinary Health and Development Study is a longitudinal birth cohort study of 1037 children born at Queen Mary Hospital, Dunedin, New Zealand, between April 1, 1972 and March 31, 1973. Data on their health and development, including dental examinations, has since been collected periodically. Malocclusion severity was measured using the Dental Aesthetic Index in participants aged 15 and 45 years (data collected at age 18 years was supplemented for data missing at age 15 years). Other data collected included clinically assessed oral health (dental caries and periodontal disease experience) and self-rated dental appearance, OHRQOL, life satisfaction, and personality traits. RESULTS: Malocclusion data were available for 868 participants in adolescence and 834 aged 45 years. For those with a severe handicapping malocclusion at 15 years old, 46.6% who received orthodontic treatment transitioned to a resolved (ie, mild-moderate) malocclusion when aged 45 years, whereas only 16.2% of those who did not receive orthodontic treatment made that transition. A transition to a worse malocclusion was associated with impacts on OHRQOL when aged 45 years in the subdomains of functional limitation, psychological discomfort, and physical disability as well as worse self-ratings of dental appearance, and these findings were held after adjusting for potential confounders. Malocclusion was not associated with overall life satisfaction. CONCLUSIONS: Maintenance of acceptable occlusion after orthodontic treatment requires a strong emphasis on achieving and maintaining excellent dental health and avoiding chronic oral conditions such as dental caries and tooth loss. The long-term benefits of orthodontic treatment may diminish by midlife unless good dental health is maintained. Orthodontists have the responsibility to raise awareness among their patients on how to maintain good oral health after orthodontic treatment.
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Maloclusión , Satisfacción Personal , Calidad de Vida , Humanos , Maloclusión/psicología , Calidad de Vida/psicología , Adolescente , Femenino , Masculino , Estudios Longitudinales , Persona de Mediana Edad , Adulto , Nueva Zelanda , Estética Dental/psicología , Salud Bucal , Adulto JovenRESUMEN
Dental caries is a chronic and cumulative disease but little has been reported on the continuity of the disease and its treatment through life. Group-based multi-trajectory modeling was used to identify developmental trajectories of untreated carious tooth surfaces (DS), restored tooth surfaces (FS), and teeth extracted due to caries (MT) from ages 9 to 45 years in a New Zealand longitudinal birth cohort, the Dunedin Multidisciplinary Health and Development Study (n = 975). Associations between early-life risk factors and trajectory group membership were examined by specifying the probability of group membership according to a multinomial logit model. Six trajectory groups were identified and labeled: "low caries rate"; "moderate caries rate, maintained"; "moderate caries rate, unmaintained"; "high caries rate, restored"; "high caries rate, tooth loss"; and "high caries rate, untreated caries". The two moderate-caries-rate groups differed in count of FS. The three high-caries-rate groups differed in the relative proportion of accumulated DS, FS, and MT. Early childhood risk factors associated with less favorable trajectories included higher dmfs scores at age 5, lack of exposure to community water fluoridation during the first 5 years of life, lower childhood IQ, and low childhood socioeconomic status. Parent self-ratings of their own or their child's oral health as "poor" were associated with less favorable caries experience trajectories. Children who had clinical signs of dental caries together with a parent rating of child's oral health as poor were more likely to follow a less favorable caries trajectory. Higher deciduous dentition caries experience at age 5 years was associated with less favorable caries trajectories, as were children whose parents gave "poor" ratings of their own or their child's oral health. These findings highlight the considerable intergenerational continuity in dental caries experience from early childhood to midlife. Subjective measures of child oral health are informative and might aid as predictors of adult caries experience in cases where childhood dental clinical data were not available.
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Caries Dental , Niño , Adulto , Preescolar , Humanos , Estudios de Cohortes , Caries Dental/epidemiología , Caries Dental/terapia , Salud Bucal , Atención Odontológica , Factores de RiesgoRESUMEN
BACKGROUND: Children's pain in dentistry has undesirable short- and long-term consequences; therefore, less invasive treatments merit consideration. AIM: To investigate procedural pain scores for two treatments for carious primary molars in New Zealand primary care. DESIGN: This study was a split-mouth randomised control trial, with secondary outcome analysis. Children (4-8 years) with proximal carious lesions on matched primary molars had one tooth treated with the Hall technique (HT) and one treated with a conventional stainless steel crown (CT); treatment type and order of treatment were randomly allocated (allocation concealment). The Wong-Baker self-report pain scale measured pretreatment dental pain, procedural pain at each treatment and post-operative pain. RESULTS: Data were analysed for 103 children: 49 children had the HT first and 54 children had the CT first. Procedural pain scores did not differ by treatment type, with 71.8% and 76.7% of children reporting low pain for the HT and the CT, respectively. Fewer children reported low procedural pain for the second treatment than the first (p = .047). Most children reported low procedural pain for both treatments (58.3%), although 41.7% experienced moderate-high procedural pain with at least one treatment. CONCLUSIONS: The HT caused pain for as many children as the CT. There is an opportunity for better dental pain management in this setting.
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Atención Dental para Niños , Caries Dental , Dolor Asociado a Procedimientos Médicos , Niño , Humanos , Restauración Dental Permanente/métodos , Autoinforme , Dolor Asociado a Procedimientos Médicos/etiología , Acero Inoxidable , Diente Primario , Coronas , Atención Dental para Niños/métodos , Dolor/etiología , Caries Dental/terapiaRESUMEN
OBJECTIVES: To compare the clinical validity of the three approaches in residential care facility residents. BACKGROUND: In NZ residential care facilities, the interRAI assessment tool is used by trained registered nurses for assessing oral status when new residents are admitted, but its validity has been questioned. Although Locker's global oral health item has been used to measure oral health in surveys and health services research, it is not routinely used in care facilities, yet its clinical validity has been demonstrated in population-based samples. Self-perceived oral health need may also be useful. MATERIALS AND METHODS: Using a secondary analysis of clinical and self-reported data from a national survey of nursing home residents (the 2012 New Zealand Older People's Oral Health Survey, or OPOHS), we compared the validity of Locker's item, the interRAI tool and self-reported treatment need for identifying three key clinical indicators of poor oral health among dentate older adults; those were coronal caries (3+ teeth affected), root caries (1+ teeth affected) and xerostomia. Analyses were conducted using STATA, and survey weighting was used to obtain estimates for a source population of 25-843 individuals. RESULTS: The prevalence of 3+ teeth with coronal caries was 28.7% (23.9, 34.0), the prevalence of 1+ teeth with root caries was 33.7% (28.7, 39.0), the prevalence of xerostomia was 23.1% (18.4, 28.3). Marked gradients in prevalence risk ratio were seen across different categories of Locker's global oral health item and the interRAI assessment tooth for coronal caries and xerostomia. Locker's global oral health item gave a better fitting model and was more discriminative in detecting coronal caries than the interRAI assessment tool (Lockers AIC = 0.76, interRAI AIC = 0.81). None of the approaches was particularly discriminative for root surface caries experience. CONCLUSION: Self-reported approaches are discriminative for poor oral health. Standardised assessment tools used in residential care facilities should consider including a self-assessment component such as Locker's global oral health item.
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The oral microbiome is ecologically diverse, complex, dynamic, and little understood. We describe the microbiota of four oral habitats in a birth cohort at age 32 and examine differences by sex, oral hygiene, and current smoking status, dental caries, and periodontal health. Oral biofilm samples collected from anterior labial supragingival, posterior lingual supragingival, subgingival, and tongue sites of 841 Dunedin Multidisciplinary Health and Development Study members were analysed using checkerboard DNA-DNA hybridization; focusing on 30 ecologically important bacterial species. The four habitats exhibited distinct microbial profiles that differed by sex. Streptococcus gordonii was more dominant in supragingival and tongue biofilms of males; Porphyromonas gingivalis exhibited higher relative abundance in subgingival biofilm of females. Males had higher scores than females for periodontal pathogens at supragingival sites. The relative abundance of several putative caries and periodontal pathogens differed in smokers and non-smokers. With poor oral hygiene significantly higher proportions of Gram-negative facultative anaerobes were present in subgingival biofilm and there were higher scores for the principal components characterised by putative cariogenic and periodontal pathogens at each site. Distinctive microenvironments shape oral biofilms and systematic differences exist by sex, oral hygiene, and smoking status.
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Caries Dental , Placa Dental , Microbiota , Adulto , Biopelículas , Placa Dental/microbiología , Femenino , Humanos , Masculino , Higiene Bucal , Porphyromonas gingivalis , FumarRESUMEN
Dental caries is an endogenous microbial community-based disease resulting from an ecological shift from dynamic stability to metabolic imbalance in a consortium of acidogenic and aciduric bacteria comprising the dental plaque biofilm. Participants were members of the Dunedin Multidisciplinary Health and Development Study, a longitudinal investigation of health and behaviour in a cohort born in Dunedin, New Zealand. Oral biofilm samples (collected at age 32 years) from anterior labial supragingival, posterior lingual supragingival, posterior subgingival, and the dorsum of the tongue habitats for 841 participants were analysed using checkerboard DNA-DNA hybridisation (CKB), focussing on 30 ecologically significant bacteria. Associations of CKB data with dental caries at ages 32 and 45 years were assessed using regression modelling, adjusting for potential confounders including sex, xerostomia, and oral hygiene. The putative periodontitis pathobiont Tannerella forsythia (in the anterior supragingival biofilm) was associated with untreated caries at age 32 years. The percentage of total summed cell number counts for two putative periodontitis-associated species (T. forsythia and Micromonas micros) was associated with greater caries experience at age 32 years and the development of new caries between age 32 and 45 years. Additionally, severe caries (3 + cavities) was associated with putative caries pathobionts (Lactobacillus fermentum, Lactobacillus plantarum), periodontitis-associated species, and commensals (M. micros, Campylobacter rectus, Streptococcus mitis biovar I, Streptococcus mitis biovar II) in the subgingival biofilm. Participants with sustained poor oral hygiene through age 32 years not only had greater experience of caries by that age than those with good oral hygiene (fully adjusted incidence risk ratio = 5.10, 95% CI: 3.30, 7.89) but also experienced greater incidence of new caries from age 32 to 45 years (incidence risk ratio = 3.69, 95% CI: 2.62, 5.20). These findings provide evidence in support of the extended caries ecological plaque hypotheses, the polymicrobial aetiology of caries, and the integrated aetiology of dental caries and periodontal diseases. They also underscore the roles of poor oral self-care (particularly over the life course) and xerostomia in the occurrence and progression of caries.
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Caries Dental , Placa Dental , Periodontitis , Xerostomía , Humanos , Adulto , Caries Dental/etiología , Caries Dental/microbiología , Placa Dental/microbiología , Bacterias , Periodontitis/microbiología , Biopelículas , Xerostomía/epidemiología , Xerostomía/etiología , ADNRESUMEN
BACKGROUND AND OBJECTIVE: A small number of national studies have explored the barriers to older people accessing dental care; however, to date none have investigated older people's recommendations for overcoming these barriers. METHODS: Semi-structured interviews were conducted with 40 dentate older people (65 years and over) who resided in New Zealand's Otago region and received home-support. A joint inductive thematic analysis was undertaken, based on the constant comparative method. RESULTS: Recommendations for boosting community-dwelling older people's access to dental care included publicly funding or subsiding the cost of dental care for older people, aligning the pension with the real cost of living, and making the environment at Work and Income less hostile and the emergency dental grant more readily available, making dental clinics more accessible, initiating domiciliary dental care, having mobile dental clinics visit neighbourhoods with high proportions of older people, as well as subsidised transport to the dental clinic. Other suggestions were having GPs, pharmacists and social workers emphasise oral health during appointments, along with dental education campaigns. CONCLUSION: In order to boost the rates of dental care access among older New Zealanders who receive home support, multiple structural changes are necessary, but these should primarily focus on reducing the cost and increasing accessibility.
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Vida Independiente , Salud Bucal , Anciano , Atención Odontológica , Humanos , Nueva Zelanda , Investigación CualitativaRESUMEN
BACKGROUND: The Clinical Oral Disorder in Elders (CODE) index was proposed in 1999 to assess the oral health status and treatment needs of older people who typically were edentate or had few natural teeth. Since then, more people are retaining natural teeth into old age and have oral disorders similar to younger adults. In addition, there has been further guidance on screening for disease that includes changes to the clinical indicators of several oral disorders and greater sensitivity to people's concerns about their oral health and care needs. METHODS: Experts in dental geriatrics assembled at a satellite symposium of the International Association of Dental Research in June 2019 to revise the objectives and content of the CODE index. Before the symposium, 139 registrants were asked for comments on the CODE index, and 11 content experts summarised current evidence and assembled reference lists of relevant information on each indicator. The reference lists provided the base for a narrative review of relevant evidence supplemented by reference tracking and direct searches of selected literature for additional evidence. RESULTS: Analysis of the evidence by consensus of the experts produced the Clinical Oral Disorders in Adults Screening Protocol (CODA-SP). CONCLUSIONS: The CODA-SP encompasses multiple domains of physical and subjective indicators with weighted severity scores. Field tests are required now to validate its effectiveness and utility in oral healthcare services, outcomes and infrastructure.
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Geriatría , Salud Bucal , Adulto , Anciano , Anciano de 80 o más Años , Protocolos Clínicos , Consenso , HumanosRESUMEN
AIMS: Patient-reported outcomes have attracted interest as there has been a shift from clinician-centric endpoints. This qualitative study aimed to develop an understanding of the psychosocial impact of periodontitis and its treatment. MATERIALS AND METHODS: Fourteen adults were asked to document their experiences of untreated periodontitis and non-surgical periodontal therapy at a university clinic, using written or audio-recorded diaries. The diary data were then used as a framework for semi-structured qualitative interviews, conducted at the completion of initial non-surgical treatment. Inductive thematic content data analysis was employed. RESULTS: Three themes illustrated the detrimental impact of periodontitis: "concealment," "having a guilty conscience" and "patient comfort as paramount." These were related to a core underlying concept, "progression to a more positive outlook," which described a distinct shift in participants' attitudes and optimism after their periodontal treatment. Despite finding treatment unpleasant, the participants described profound positive influences on their social well-being, self-esteem, mood, work, relationships and outlook. CONCLUSIONS: This study illustrated the broad psychosocial impact of periodontitis. The findings suggest that the benefits of periodontal treatment extend beyond improvements in traditional biomedical indicators to those which are more relevant and desirable to patients.
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Periodontitis , Adulto , Humanos , Periodontitis/diagnóstico , Periodontitis/terapia , Investigación Cualitativa , AutoimagenRESUMEN
OBJECTIVES: Differences in oral health perceptions complicate comparisons of self-reported oral health in countries with considerably different cultures, traditions, and dental care. We compared it in China and New Zealand (NZ), to determine whether adults in those countries differ in how self-report oral health item responses distinguish those with different clinical oral disease states. MATERIALS AND METHODS: Analysis of representative data on dentate 35-44-year-olds and 65-74-year-olds from the 3rd National Oral Health Survey of China in 2005 (for Sichuan province) and the NZ Oral Health Survey in 2009. Self-rated oral health in the Chinese survey was assessed by asking "Overall, how would you rate your oral health?"(responses: "Very poor," "Poor," "Fair," "Good," and "Very good"). The NZ survey asked "How would you describe the health of your teeth or mouth?" (responses: "Excellent," "Very good," "Good," "Fair," or "Poor"). To enable comparability, these were combined to create a four-category ordinal measure of self-reported oral health. The slope index of inequality (SII) and the relative index of inequality (RII) determined the extent to which the four-category self-report item distinguished those with better or poorer oral status. RESULTS: A higher proportion of Chinese than NZ 35-44-year-olds rated their oral health as poor or fair, and the NZ proportion rating their oral health as very good was four times that observed among Chinese. The 65-74-year-olds differed even more in their overall responses. For most aspects of clinical disease experience, the two populations were responding similarly to the self-reported oral health item, although the SII and RII values were more pronounced among 35-44-year-olds in NZ than in China; among 65-74-year-olds, both countries were more similar. CONCLUSIONS: Chinese and NZ adults' self-ratings reflect their oral disease experience in largely similar ways, despite considerable absolute differences. CLINICAL RELEVANCE: These findings support the cross-cultural applicability of self-report oral health measures.
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Encuestas de Salud Bucal , Salud Bucal , Adulto , Anciano , China , Humanos , Nueva Zelanda , AutoinformeRESUMEN
OBJECTIVE: Personality characteristics mean that people may interpret similar symptoms differently, complicating the measurement of self-reported oral health, and so we tested the hypothesis that controlling for aspects of personality makes a difference to the association between xerostomia and oral-health-related quality of life. MATERIAL AND METHODS: A cross-sectional study was conducted of a representative adult population sample in Dunedin (New Zealand). Data were collected on xerostomia, OHRQoL and personality characteristics, using (respectively) the 5-item Shortened Xerostomia Inventory (SXI), the OHIP-14 and the Positive and Negative Affect Schedule (PANAS). Negative binomial regression was used to model the association between the SXI and the OHIP-14 scores, and models with and without the PANAS score were compared. RESULTS: The participation rate was 51.3%, with complete OHIP-14 data available for 250 individuals (56.5% female). The SXI score (mean 6.9, sd 1.8) was strongly and positively associated with the OHIP-14 score (in both models), as was the PANAS negative affect score in the second model, which also explained slightly more of the observed variance than the first model. However, the difference in model deviance fell short of the amount required to reject the hypothesis that adding the PANAS variables to the model made a significant difference. CONCLUSIONS: Considering aspects of personality in investigating OHRQoL remains a theoretically important undertaking, but adjusting for it in analyses of associations between xerostomia and OHRQoL is unlikely to be necessary.
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Salud Bucal , Personalidad , Calidad de Vida/psicología , Xerostomía/psicología , Adulto , Actitud Frente a la Salud , Estudios Transversales , Femenino , Humanos , Masculino , Persona de Mediana Edad , Autoinforme , Pérdida de Diente/psicología , Xerostomía/fisiopatologíaRESUMEN
BACKGROUND: Dental diseases are among the most prevalent conditions worldwide, with universal access to dental care being one key to tackling them. Systematic quantification of inequalities in dental service utilization is needed to identify where these are most pronounced, assess factors underlying the inequalities, and evaluate changes in inequalities with time. OBJECTIVES: To evaluate the presence and extent of inequalities in dental services utilization. SEARCH METHODS: We performed a systematic review and meta-analysis by searching 3 electronic databases (MEDLINE, Embase, Cochrane Central Database), covering the period from January 2005 to April 2017. SELECTION CRITERIA: We included observational studies investigating the association between regular dental service utilization and sex, ethnicity, place of living, educational or income or occupational position, or insurance coverage status. Two reviewers undertook independent screening of studies and made decisions by consensus. DATA COLLECTION AND ANALYSIS: Our primary outcome was the presence and extent of inequalities in dental service utilization, measured as relative estimates (usually odds ratios [ORs]) comparing different (high and low utilization) groups. We performed random effects meta-analysis and subgroup analyses by region, and we used meta-regression to assess whether and how associations changed with time. MAIN RESULTS: A total of 117 studies met the inclusion criteria. On the basis of 7 830 810 participants, dental services utilization was lower in male than female participants (OR = 0.85; 95% confidence interval [CI] = 0.74, 0.95; P < .001); ethnic minorities or immigrants than ethnic majorities or natives (OR = 0.71; 95% CI = 0.59, 0.82; P < .001); those living in rural than those living in urban places (OR = 0.87; 95% CI = 0.76, 0.97; P = .011); those with lower than higher educational position (OR = 0.61; 95% CI = 0.55, 0.68; P < .001) or income (OR = 0.66; 95% CI = 0.54, 0.79; P < .001); and among those without insurance coverage status than those with such status (OR = 0.58; 95% CI = 0.49, 0.68; P < .001). Occupational status (OR = 0.95; 95% CI = 0.81, 1.09; P = .356) had no significant impact on utilization. The observed inequalities did not significantly change over the assessed 12-year period and were universally present. AUTHORS' CONCLUSIONS: Inequalities in dental service utilization are both considerable and globally consistent. Public Health Implications. The observed inequalities in dental services utilization can be assumed to significantly cause or aggravate existing dental health inequalities. Policymakers should address the physical, socioeconomic, or psychological causes underlying the inequalities in utilization.
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Atención Odontológica/economía , Accesibilidad a los Servicios de Salud , Disparidades en Atención de Salud , Etnicidad , Salud Global , Humanos , Factores Sexuales , Factores SocioeconómicosRESUMEN
Objective The association between and commonality of risk factors for poor self-rated oral health (SROH) and general health (SRGH) among new mothers has not been reported. The purpose of this paper is to assess the commonality of risk factors for poor SROH and SRGH, and self-reported obesity and dental pain, among a population-based sample of new mothers in Australia. It also investigated health conditions affecting new mothers' general health. Methods Data collected at baseline of a population-based birth cohort was used. Mothers of newborns in Adelaide were approached to participate. Mothers completed a questionnaire collecting data on socioeconomic status (SES), health behaviours, dental pain, SROH, self-reported height and weight and SRGH. Analysis was conducted sequentially from bivariate to multivariable regression to estimate prevalence rate (PR) of reporting poor/fair SROH and SRGH. Results of the 1895 new mothers, some 21 and 6% rated their SROH and SRGH as poor/fair respectively. Dental pain was associated with low income and smoking status, while being obese was associated with low SES, low education and infrequent tooth brushing. SROH and SRGH was associated with low SES, smoking, and dental pain. SROH was also associated with SRGH [PR: 3.06 (2.42-3.88)]. Conclusion for practice There was a commonality of factors associated with self-rated oral health and general health. Strong associations between OH and GH were also observed. Given the importance of maternal health for future generations, there would be long-term societal benefit from addressing common risk factors for OH and GH in integrated programs.
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Conductas Relacionadas con la Salud , Estado de Salud , Salud Materna , Madres/psicología , Obesidad , Salud Bucal , Adulto , Australia , Estudios de Cohortes , Estudios Transversales , Femenino , Humanos , Masculino , Salud Bucal/estadística & datos numéricos , Vigilancia de la Población , Autoevaluación (Psicología) , Encuestas y Cuestionarios , Adulto JovenRESUMEN
BACKGROUND: New Zealand children's oral health care is mostly provided in primary care oral health clinics. Little is known about treatment outcomes. HYPOTHESIS/AIM: To investigate different treatment outcomes of primary molar carious lesions in a sample of children in primary care. DESIGN: Quasi-experimental study of 180 5- to 8-year-old children. Each child had one carious primary molar treated by a dental therapist with a plastic restorative material (PRM) or a pre-formed stainless steel crown placed with the Hall Technique (HT). After 2 years, restorative outcomes were categorised as success, minor failure, or major failure. Data were analysed using Chi-square tests. RESULTS: A total of 147 (82%) children were followed up; mean follow-up period 25 months (range: 21-35 months). Failure was observed significantly more in the PRM group (32%) than the HT group (6%). When baseline carious lesions were radiographically deep with marginal ridge breakdown (MRB), there was a higher proportion of major failures than when they were shallow without MRB (33% and 1%, respectively; P < 0.001). Among the deep lesions, those treated with the HT showed better success than PRM. CONCLUSIONS: There was a much higher success rate in the children treated with HT than PRM. Deep carious lesions responded better to HT than PRM.
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Atención Dental para Niños/métodos , Restauración Dental Permanente/métodos , Niño , Preescolar , Atención Dental para Niños/estadística & datos numéricos , Caries Dental/cirugía , Fracaso de la Restauración Dental/estadística & datos numéricos , Restauración Dental Permanente/estadística & datos numéricos , Femenino , Humanos , Masculino , Nueva Zelanda , Resultado del TratamientoRESUMEN
AIM: To examine associations between periodontitis and developmental trajectories of glycated haemoglobin (HbA1c) during the third and fourth decades in an initially healthy sample. MATERIALS AND METHODS: HbA1c data collected at ages 26, 32 and 38 in the prospective Dunedin Multidisciplinary Health and Development Study were used to assign study members (n = 893) to trajectories applying group-based trajectory modelling (GBTM). The model allowed the statistical linking of baseline demographic, smoking and waist-height ratio covariates to group membership probability; and added a time-varying covariate (periodontitis) to the trajectories themselves to examine whether events that occurred during the course of the trajectory altered its course. RESULTS: Three HbA1c trajectory groups were identified: "Low" (n = 98, 11.0%); "Medium" (n = 482, 54.0%); and "High" (n = 313, 35.0%) with mean HbA1c of 29.6, 34.1 and 38.7 mmol/mol, respectively, at age 38. Having periodontitis at 32 and 38 was associated with an upward shift in the trajectories. However, none of the associations were statistically significant. CONCLUSIONS: Periodontitis was not found to be associated with dysglycaemia over 12 years from early adulthood into early middle age. This suggests that any influence periodontitis may have on dysglycaemia develops later in life.
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Hemoglobina Glucada/análisis , Periodontitis/sangre , Adulto , Factores de Edad , Femenino , Trastornos del Metabolismo de la Glucosa/sangre , Trastornos del Metabolismo de la Glucosa/complicaciones , Humanos , Masculino , Periodontitis/epidemiología , Periodontitis/etiología , Estudios ProspectivosRESUMEN
BACKGROUND: Implementing community water fluoridation involves costs, but these need to be considered against the likely benefits. We aimed to assess the cost-benefit and cost-effectiveness of water fluoridation in New Zealand (NZ) in terms of expenditure and quality-adjusted life years. METHODS: Based on published studies, we determined the risk reduction effects of fluoridation, we quantified its health benefits using standardised dental indexes, and we calculated financial savings from averted treatment. We analysed NZ water supplies to estimate the financial costs of fluoridation. We devised a method to represent dental caries experience in quality-adjusted life years. RESULTS: Over 20 years, the net discounted saving from adding fluoride to reticulated water supplies supplying populations over 500 would be NZ$1401 million, a nine times pay-off. Between 8800 and 13,700 quality-adjusted life years would be gained. While fluoridating reticulated water supplies for large communities is cost-effective, it is unlikely to be so with populations smaller than 500. CONCLUSIONS: Community water fluoridation remains highly cost-effective for all but very small communities. The health benefits-while (on average) small per person-add up to a substantial reduction in the national disease burden across all ethnic and socioeconomic groups.
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Caries Dental/economía , Caries Dental/prevención & control , Fluoruración/economía , Análisis Costo-Beneficio , Humanos , Nueva Zelanda , Años de Vida Ajustados por Calidad de Vida , Conducta de Reducción del RiesgoRESUMEN
INTRODUCTION: The impact of orthodontic treatment on oral health-related quality of life (OHRQoL) in adolescents being treated in orthodontic practices has not yet been explored longitudinally. The aim of this cohort study was to describe the changes in both malocclusion and OHRQoL with orthodontic treatment. METHODS: One hundred seventy-four patients (ages, 10-17 years; 64.4% girls; 81.6% European) underwent 2-arch, fixed-appliance treatment in a 4-year prospective study conducted across 19 specialist orthodontic practices throughout New Zealand. They were assessed before treatment, at debond (when 87.4% of the baseline sample were reassessed), and at a mean 21 months postdebond (when 59.4% of the baseline sample were reassessed). OHRQoL was measured using the Child Perceptions Questionnaire, and the Dental Aesthetic Index was used to measure occlusion. RESULTS: Among the 104 patients who took part in all 3 assessments, little change in OHRQoL overall was seen at the end of treatment, despite considerable improvement in malocclusion (with the mean Dental Aesthetic Index score falling from 35.9 at baseline to 21.3 at debond). The mean Child Perceptions Questionnaire 11-14 was slightly greater at debond, and this was most notable in the functional limitations subscale. By the end of the study (21 months postdebond, on average), the decreases in Child Perceptions Questionnaire 11-14 scores were all substantial, especially in the emotional well-being and social well-being subscales. CONCLUSIONS: Malocclusion affects orthodontic patients' OHRQoL before treatment. A temporary increase in symptomatic impacts seen by the debond stage appears to ameliorate with time, with the benefits of orthodontic treatment for OHRQoL manifesting themselves some months later.
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Maloclusión/terapia , Calidad de Vida , Adolescente , Niño , Femenino , Humanos , Masculino , Maloclusión/psicología , Salud Bucal , Ortodoncia Correctiva/métodos , Ortodoncia Correctiva/psicología , Calidad de Vida/psicología , Encuestas y Cuestionarios , Factores de TiempoRESUMEN
BACKGROUND: Appropriate screening and referral is important in delivering effective and timely orthodontic treatment. In New Zealand, dental therapists are usually the initial contact for oral health care (including the assessment of malocclusion) in child and adolescent patients. OBJECTIVE: To investigate the orthodontic screening and referral practices of dental therapists in New Zealand. METHODS: Ten registered dental therapists from Auckland and Dunedin were interviewed using a semi-structured approach. Participants were selected based on years of work experience, where they practised, their educational background, and their sector of work (private/public). Resu/ts: Three main themes were identified: (I) the orthodontic screening and referral process; (2) the factors affecting orthodontic referral; and (3) their attitudes towards orthodontic treatment. Orthodontic screening and referrals were uniform among public dental therapists but varied for private dental therapists with regard to the type of malocclusions referred, the frequency of the referrals and to whom they referred. Factors that affected orthodontic referrals included participants' orthodontic educational background, work experience, Continuing Professional Development courses attended, and the opinions of orthodontists and/ or dentists. Dental therapists found that most patients were receptive to the idea of orthodontic treatment, but that cost was a major concern. Dental therapists were enthusiastic about the development and use of resources that could aid in the orthodontic screening and referral process. Conc/usions: This study has provided valuable insights into the current orthodontic referral process of New Zealand dental therapists. Variations among public and private therapists were identified. The implementation of an orthodontic referral guideline was viewed favourably by dental therapists.