BMC Oral Health最新文献

Background: Dental photography has many advantages such as improving professional communication, enhancing patient education, and facilitating treatment acceptance. This study investigated the impact of dental photography through social media on patients' choice of dental care providers.

Methods: This cross-sectional survey-based study recruited a convenience sample of adult patients attending selected public and private dental facilities in Saudi Arabia. Data was collected using an online self-administered questionnaire. Participants received the link to the questionnaire through social media of their treating dentists.

Results: A total of 552 completed the survey of whom 289 (52.4%) aged 18-25 years, 291 (52.7%) were males, 336 (60.9%) were bachelors, and the majority 448 (81.2%) had a postgraduate degree. Snapchat was the most commonly used social networking application, n = 190 (34.4%). Females reported they were more likely to report that seeing the previous cases affect their choice of a dentist (2.025(1.253-3.274)) and that social media can affect their choice as well (1.787(1.219-2.621)). While those who never visited the dentist were less likely (0.622(0.395-0.978)) to support the use of dental photography and less likely (0.579(0.362-0.926)) to report that social media affect their choice of a dentist. Instagram was found to be a significant platform for selecting a dentist (OR = 1.132, range; 0.608-2.11) (p-0.05).

Conclusion: The presence of the dentist in social networking sites and sharing of their pre-post treatment cases can be an effective marketing tool especially among females and Instagram users.

Background: The oral health of preschool children remains a concern globally. Kindergarten and school nurses can improve oral health by reducing the incidence of Early Childhood Caries (ECC) among children. This study aimed to explore the perceptions of kindergarten nurses about a proposed oral health promotion program to be implemented in primary health centres and kindergartens.

Methods: The qualitative research used in-depth interviews of 12 kindergarten nurses who were audio-recorded and transcribed verbatim. Qualitative data analysis software was used (NVivo9 MANUF). Four major themes emerged and were analysed to explore contextual patterns within the data.

Results: The major themes included participants acknowledged the high prevalence of caries in children and identified several causes within the local context, including parental practices, poor dietary habits, the impact of cultural lack of oral health knowledge and limitations in the healthcare system. However, the study results' themes also revealed complex barriers and enablers regarding the implementation of the program highlighting interpersonal, structural, systemic, and social elements.

Conclusion: Kindergarten nurses maintained an affirmative attitude towards oral health promotion programs and were enthusiastic about initiating and supporting these programs. This qualitative study brought out critical socio-biological-cultural factors that influence the oral health promotion of preschool children.

Background: Personality traits are linked with different oral health outcomes. However, personality traits and their associations among children are not fully understood. Therefore, this study aimed to investigate the relationship between personality traits and oral health-related quality of life (OHRQoL) among adolescents in Saudi Arabia.

Methods: This cross-sectional study included male and female students aged 12-18 years from different schools in the Eastern Province of Saudi Arabia. The participants responded to a self-administered questionnaire after providing informed consent. The questionnaire included demographic information and Arabic versions of the Big Five Personality Inventory and the Child Oral Health Impact Profile-Short Form to evaluate personality traits and OHRQoL, respectively. Bivariate and multivariable analyses were performed.

Results: This study included 231 (59.7%) males and 156 (40.3%) females. Regarding personality traits, conscientiousness had the highest mean score (15.31 ± 3.65), followed by agreeableness (14.94 ± 3.96) and openness (14.08 ± 3.98), whereas neuroticism had the lowest mean score (8.86 ± 3.34). Males had significantly higher mean scores for extraversion (14.28 ± 3.30) and conscientiousness (15.69 ± 3.62) compared to females, who had mean scores of 13.02 ± 3.35 and 14.75 ± 3.63, respectively (P < 0.05). Females, on the other hand, scored significantly higher in neuroticism (9.51 ± 3.71) and agreeableness (15.60 ± 3.75) compared to males, who had mean scores of 8.09 ± 2.94 and 14.49 ± 4.04, respectively (P < 0.05). Bivariate analyses showed that neuroticism was negatively correlated with OHRQoL (r = -0.455, P < 0.001), whereas extraversion (r = 0.182, P < 0.001) and conscientiousness (r = 0.110, P = 0.047) were positively correlated with OHRQoL. In multiple linear regression analyses, extraversion (B = 0.696, P = 0.012) and neuroticism (B=-2.229, P < 0.001) were statistically significant predictors of OHRQoL.

Conclusion: This study found that neuroticism was significantly and negatively correlated with OHRQoL, whereas extraversion was significantly and positively correlated with OHRQoL. In addition, there were statistically significant differences in personality traits between the male and female adolescents.

Background: Lip behaviors can lead to maxillofacial developmental disorders such as anterior open bite, posterior crossbite, increased overjet, and a higher risk of developing a Class II malocclusion. However, lip-sucking, a behavior often underreported and overlooked, may adversely affect the periodontal health of permanent teeth in adolescents under extreme conditions if not promptly identified and managed.

Case presentation: We report a unique case of an 11-year-old boy with a severe periodontal-endodontic lesion on tooth 32, caused by prolonged, high-frequency, and high-intensity lip sucking. Initial clinical examination revealed gingival recession, Grade III mobility, deep periodontal pocket, and alveolar bone loss without obvious pathogenesis. The therapeutic schedule encompassed behavioral modification, the repeated application of various dental splints due to splint breakage caused by strong lip-sucking habits, and root canal therapy. The periodontal condition and tooth stability were improved through collaborative management. At the 18-month follow-up, improvements in dental stability, alveolar bone density, and reduced periodontal pocket depth were observed.

Conclusions: This is the first case report exploring the complex relationship between lip-sucking and dental health, emphasizing that severe oral habits can lead to serious dental consequences. Timely identification and intervention in managing oral habits can halt disease progression and ensure favorable outcomes. Additionally, this report offers treatment guidelines and recommendations for severe dental diseases caused by detrimental oral habits.

Background: Tongue-coating microbiota, especially known as the tongue microbiome, holds significant value as both a prospective clinical diagnostic biomarker and therapeutic target, which plays a crucial role in the oral microecological health. However, there is limited understanding of the composition and function of tongue coating microbiota in chronic kidney disease patients undergoing hemodialysis.

Methods: Thirty-one non-diabetic hemodialysis patients (nonDM_HD), 29 diabetic hemodialysis patients (DM_HD) and 33 healthy controls (HC) were enrolled. Swabs from tongue coating were collected. The 16S rDNA (V3-V4 region) was sequenced to scrutinize the tongue-coating bacterial microbiome difference.

Results: Both nonDM_HD and DM_HD showed distinct bacterial communities of oral microbiota compared to HC. The abundance of Streptococcus, Lactobacillus, Ruminococcaceae G1, Ligilactobacillus and Abiotrophia showed a significant increase (p < 0.05) in DM_HD and nonDM_HD compared to HC, while Haemophilus, Lachnoanaerobaculum, Peptostreptococcaceae G1, Peptostreptococcus showed a significant decrease (p < 0.05) respectively. Veillonella, Lactobacillus, Limosilactobacillus etc. may serve as potential biomarkers for DM_HD. While Streptococcus, Ruminococcaceae G1, Actinobacillus, Abiotrophia can be considered alternative biomarkers for nonDM_HD. Moreover, the enriched Haemophilus, Actinomyces, Lachnoanaerobaculum were prominent features of the tongue coating microbiota in HC, which could be used as the potential therapeutic targets of chronic kidney disease. Network analysis revealed a less complex interaction relationship among the tongue coating bacterial microbiota of nonDM_HD and DM_HD. Furthermore, correlations were identified between the microbiome composition and clinical parameters of the individuals.

Conclusion: In conclusion, deciphering the tongue coating microbiota of kidney patients undergoing hemodialysis will helpful in assessing the role of oral microbiota in pathobiology and development of kidney disease, which is expected to become a potential biomarkers and adjuvant therapeutic target.

Background: Oral squamous cell carcinoma (OSCC) is the most common type of oral cancer with alarmingly high morbidity. The cancer-associated fibroblasts (CAFs) play a pivotal role in tumor development, while their specific mechanisms in OSCC remains largely unclear. Our object is to explore a CAFs-related biomarker in OSCC.

Methods: Single-cell RNA sequencing (ScRNA-seq) analysis was used to pinpoint CAF clusters in OSCC samples. Differentially expressed genes and Cox regression analyses were used to identify candidate genes, and their functions were evaluated using Gene Ontology and Kyoto Encyclopedia of Genes and Genomes enrichment analyses. The prognostic performance of the identified biomarker was evaluated using receiver operating characteristic analysis. The qPCR and western blot were used to assess gene expression. The hub gene related immune characteristics were analyzed in independent cohorts, and gene expression differences between different immunotherapy response groups were investigated using Pearson correlation analysis.

Results: Desmoglein-2 (DSG2) was identified as a CAFs-related biomarker in OSCC exhibiting elevated expression compared to controls and being associated with poor prognosis. Enrichment analyses revealed that DSG2 was involved in signal transduction pathways like focal adhesion. The Area Under Curve values of DSG2 in predicting prognosis exceeded 0.6 in both training-set and validation-set. Furthermore, patients with low DSG2 expression were more likely to benefit from immunotherapy than those DSG2 highly expressed patients.

Conclusion: Our study identified DSG2 as a reliable CAFs-related prognostic biomarker in OSCC, providing a new reference for the mechanistic understanding and target therapy of this malignancy.

Background: Resin cements often require substrate-specific pretreatment. Recently, universal adhesive systems have been introduced, simplifying procedures by eliminating the need for multiple adhesives and offering options that do not require light curing. This study investigated the bonding performance of universal adhesive systems combined with dual-polymerising resin cements on enamel, dentin, zirconia, lithium disilicate ceramics (LDS), and resin blocks.

Methods: Two universal adhesive and dual-polymerising resin cement combinations from the same manufacturer were tested: Bondmer Lightless II (BLII) with Estecem II (ECII), and Scotchbond Universal Plus adhesive (SBU) with RelyX Universal resin cement (RXU). Enamel, dentin, zirconia (Katana Zirconia UTML), LDS (IPS e.max CAD CEREC), and resin blocks (Katana Avencia P Block) were used as substrates. The universal adhesive was applied to all bonding surfaces, followed by resin cement application in micro-bore Tygon tubes and light curing for 40 s. Micro-shear bond strength (μSBS) was measured after 0 thermal cycles (0TC) or 10,000 thermal cycles (10kTC) (n = 20). Statistical analyses were conducted using t-tests and Welch's t-tests with Bonferroni correction (α = 0.05), and failure modes were examined.

Results: In the BLII/ECII group, the mean μSBS values exceeded 15 MPa for all substrates at 0TC. After thermocycling, μSBS increased significantly for the enamel (p < 0.05), remained unchanged for dentin and zirconia (p > 0.05) and decreased for LDS and resin blocks (p < 0.05). In the SBU/RXU group, 0TC μSBS values exceeded 15 MPa for enamel, zirconia, and resin blocks, but thermocycling significantly decreased μSBS for all substrates (p < 0.05). Comparison between BLII/ECII and SBU/RXU group showed no significant differences for enamel and resin blocks at 0TC (p > 0.05), but the BLII/ECII group exhibited higher SBS in the other groups (p < 0.05). Adhesive failure was the most frequently observed failure type across all groups.

Conclusion: The adhesive performance on diverse dental substrates including enamel, dentin, zirconia, LDS, and resin blocks was notably affected by the selection of universal adhesive systems in combination with dual-polymerising resin cements that were applied. The BLII/ECII combination demonstrated long-term stable bonding performance for enamel, dentin, and zirconia.

Background: This study evaluates the efficacy of carbon fiber reinforced Polyetheretherketone (Cfr-PEEK) in fixation after sagittal split ramus osteotomy (SSRO) by comparing it with titanium in vitro.

Methods: Twenty-eight sheep hemimandibles were randomly assigned to four groups for SSRO surgery. Fixation was performed with a 4-hole titanium mini plate for 5 mm advancement in Group 1, with a 4-hole Cfr-PEEK mini plate for 5 mm advancement for Group 2, with a 4-hole titanium mini plate for 10 mm advancement for Group 3, and with a 4-hole Cfr-PEEK mini plate for 10 mm advancement for Group 4. A linear vertical load of 50 N was applied to all models from the molar region. Displacement values were recorded digitally.

Results: There was a significant difference among the displacement values of four groups (p < 0.05). The highest displacement values were observed in group 2 and the lowest in group 3. The Cfr-PEEK plates' fixed groups showed lower displacement values than their titanium counterparts.

Conclusions: According to this study, Cfr-PEEK provides better stability than titanium by considering the displacement values. However, future experimental and clinical studies that include larger samples and different designs need to be done.

Aim: This study aimed to evaluate the prevalence, location and diameters of Posterior superior alveolar artery (PSAA) and Infraorbital foramen (IOF) to find out whether there is any relationship between PSAA and IOF, and to predict their location relative to each other in surgical procedures by using cone beam computed tomography (CBCT).

Material and method: Bilateral maxillary sinuses were analysed retrospectively in 170 patients with no missing teeth in the maxillary posterior region. The largest locations of PSAA and IOF in the maxillary sinus were determined and their size, shape, location in relation to the teeth and distances from anatomical points were evaluated. For statistical analysis, Kolmogorov-Smirnov, Shapiro-Wilk tests, Intraclass Correlation Coefficient, and Kappa Test were used.

Results: The incidence rate of PSAA on CBCT was found as 56.2%. While the rate of those with a vertical diameter of ≥ 1 mm was 92.1%, the rate of those with a horizontal diameter of ≥ 1 mm was 65.4%. In terms of location, the highest rate was found in the distal of the second molar. Mean horizontal diameter of IOF was found as 3.47 mm, while its mean vertical diameter was found as 3.68 mm. In terms of location, the most common location was at the second premolar tooth level with a rate of 39.7%. While IOF was mostly seen at the first premolar tooth level in young participants, it was mostly seen at the distal of second premolar tooth in old age. No statistical correlation was found between PSAA and IOF (p > 0.05). However, the median values of diameters to the anatomical structures were found to be higher in males when compared to females.

Conclusion: In the present study, our hypothesis of predicting the position of PSAA and IOF relative to each other in surgical procedures of the maxillary sinus was not confirmed. It may be useful to conduct more detailed studies with higher resolution CBCT devices in which more patients are included. In order to prevent a possible bleeding that can occur, clinicians are recommended to evaluate the size and location of these anatomical structures with CBCT before surgical procedures, especially in male patients and older patients.

Objective: To investigate the education, knowledge and behaviour of Italian dentists regarding Silver Diamine Fluoride (SDF).

Methods: A cross-sectional study was conducted from January to December 2022, through an online survey linked to an online continuing medical education (CME) course sent to Italian dentists. A priori power analysis estimated the necessary sample to be 1480 dentists with an anticipated frequency of 50% and a power of 99.99%. The questionnaire included 46 questions on participants ' demographic characteristics, training received, clinical knowledge of SDF, and attitudes and behaviours regarding its use. Descriptive statistics, bivariate, and mutlivariable regression analyses were performed to determine the association between the variables.

Results: The response rate was 6.1% with 3876 respondents, evenly distributed geographically. Less than 10% of respondents had received training at undergraduate, postgraduate or masters level. A minority of dentists were familiar with the use of SDF for the treatment of dentine hypersensitivity (19.0%) and for the treatment of caries in children (22.2%) and adults (15.7%). The percentage of dentists who reported SDF use at least once was 20.6%. On mutlivariable analysis (χ²₍₁₁₎ = 995.9 p-value < 0.01), dentists who used SDF were positively associated with those who cared for patients with special needs, those who received good undergraduate or postgraduate training, and those who knew how to use SDF (p < 0.01). A second mutlivariable analysis (χ²₍₁₁₎ = 47.9 p-value < 0.01) revealed that younger respondents were associated with good training and knowledge of the use of SDF received during undergraduate studies, while older respondents were associated with good training received on managing hypersensitivity and caries in adults (p < 0.01).

Conclusions: Overall, Italian dentists ' education, knowledge, and use of SDF were relatively poor. The majority of the sample 's responses were not consistent with scientific evidence. The use of SDF among Italian dentists is still far from being a reality. In Italy, it is necessary to increase training on SDF, primarily through the university, to hopefully increase its use, especially in non-invasive caries treatment.