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The aim of this investigation is to contribute to clarify whether zygomatic unilateral implants are a feasible alternative for the rehabilitation of the atrophic maxilla. Six consecutive, unilaterally edentulous patients who received zygomatic implants gave their consent to enter this retrospective observational study. Fixtures were inserted according to the Zygomatic Anatomy‐Guided Approach and loaded with functional screwed restorations. All patients were compliant with their scheduled follow‐up appointments. Six tapered implants were considered, mostly (80%) 4.4 mm diameter 40–50 mm long. These fixtures had been in place for an average of 4.1 years (range: 5–144 months). No implant failures were observed, and continuous fixed‐prosthesis function was achieved throughout the follow‐up period with no loosening or fracture of prosthetic screws. Patients were satisfied with the treatment and experienced only minor complications. Unilateral zygomatic implants seem to be a feasible alternative that diminishes morbidity and treatment times with high‐survival rates for patients with atrophic posterior maxilla. [ABSTRACT FROM AUTHOR]

Objective: To undertake a meta‐analysis of the association of Oral Lichen Planus (OLP) with diabetes, two diseases with an important impact on public health and the economy, but the evidence of which about their association is inconsistent. Methods: Relevant studies were localized by searching MEDLINE, EMBASE, Conference Proceedings, and other databases from inception to October 2020, without restrictions. The reference lists of included studies and of related reviews were also inspected. Global pooled odds ratios were calculated, and predefined subgroup analyses were performed. The heterogeneity between studies and publication bias was assessed and sensitivity analysis was carried out. Results: Thirty‐two studies were included in the meta‐analysis. Pooled ORs showed a moderate association between diabetes and OLP [OR: 1.87 (95%CI: 1.57, 2.34)]. The association is limited to studies carried out on adults only [OR: 2.12 (95%CI: 1.75, 2.57)] and is observed in all study designs. Globally, the heterogeneity was low to moderate. Studies carried out in European populations show a stronger association of diabetes and OLP than Asiatic studies [OR: 2.49 (95%CI: 1.87, 3.32) and 1.60 (95%CI: 1.25, 2.03), respectively]. Conclusions: Diabetes and OLP are moderately associated. Systematic diagnosis of diabetes in OLP patients could prove useful. [ABSTRACT FROM AUTHOR]

Objectives: To identify the immunohistochemical pattern of non‐tumoral epithelium adjacent to lip cancer (ANTE) to unveil molecular alterations and potential biomarkers in lip cancer patients. Materials and Methods: A systematic search at MEDLINE, EMBASE and proceedings Web of Science, OpenGrey and WorldCat. The PICOS outline (Population: lip cancer patients; Intervention: immunostaining with biomarkers in surgical specimens; Comparisons: ANTE versus LC; Outcomes: primary—to identify the immunohistochemical pattern of peritumoral epithelium and secondary—to assess the immunoreactivity of LC epithelium; and Study design: cross‐sectional, case‐control and cohort studies). Results: A total of 339 records were identified. Seven studies reporting on ANTE and LCs were included in the qualitative synthesis, and 4 of them (p53 immunostaining) were selected for meta‐analysis. In the ANTE group, the pooled prevalence of p53 was 0.74 (95% CI: 0.66 – 0.82), while in the lip squamous cell carcinoma group this prevalence was 0.83 (95% CI: 0.75 – 0.89). Conclusions: Similar immunoexpression was found in lip epithelium adjacent to lip carcinoma, even in epithelia with normal appearance or mild histological alterations. The role of biomarkers in the follow‐up of actinic cheilitis patients deserves additional clinical assessment. [ABSTRACT FROM AUTHOR]

Objectives: To explore dental clinics' performance on periodontal education by comparing knowledge about periodontal health of regular and inconsistent dental attenders. Subjects and Methods: A population‐based study with a cross‐sectional design was performed in Galicia (Northwestern Spain). Participants were randomly selected from 16 different areas and a questionnaire applied face‐to‐face. The survey included items on socio‐demographic features, habits and routines, periodontal status and periodontal health knowledge. Participants were grouped according to the median of overall knowledge, and a logistic regression analysis was performed to explore the relationship between good periodontal knowledge and frequency of dental visits. Results: A total of 8,206 individuals were invited to enter the study, and 3,553 of them accepted the invitation (43.3%). Most participants (59.3%; n = 1,945) fit within the regular dental attenders' group. Younger women holding a university degree and visiting their dentist regularly elicited higher knowledge about periodontal health. Regular use of dental services increased the chances of being in the higher knowledge group (OR: 1.67; 95% CI: 1.40–2.00). Conclusions: Reported regular dental attendance is related to periodontal health knowledge. Specific interventions for promoting tailored patient education on periodontal topics during routine dental visits may have a positive effect on laypersons' knowledge about periodontal health. [ABSTRACT FROM AUTHOR]

Background. In this study, the authors assessed the readability of online endodontic information in English and Spanish. Methods. The authors performed a systematic search in Google in May 2016. Search queries were "root canal treatment" and "¿Qué es una endodoncia?" without limits or filters. The authors assessed English readability by using Flesch-Kincaid Reading Grade Level, Flesch Reading Ease Score, Gunning Fog Index, Coleman-Liau index, automated readability index, and Simple Measure of Gobbledygook (SMOG) index. The authors calculated readability for Spanish by using the Fernández-Huerta index and INFLESZ (Ines-Barrio). Results. The authors assessed the first 100 consecutive sites identified with each search strategy and selected 117 sites. Readability scores for English-language sites were in the category of normal to read, easily understood by 13- through 15-year-old students (Flesch Reading Ease Score, 63, interquartile range (IQR) [53.9-66.2]; Gunning Fog Index, 10.4, IQR [8.8-12]; Coleman-Liau index, 12.5, IQR [U.6-13.3]; and automated readability index, 8.6, IQR [6.7-9.8]). SMOG results led to the estimation that only 7 years of education would be needed to understand these contents (SMOG, 7.6, IQR [6.5-8.8]). Spanish-language sites had a readability index normal for an adult, equivalent to a seventh or eighth school year (Fernandez-Huerta, 62.3, IQR [59.7-66.6]; INFLESZ, 57.5, IQR [55.1-62.1]). The authors found that 36.6% of English-language sites had some degree of difficulty for readers to understand their contents, whereas 23% of Spanish-language sites had some degree of difficulty (14.46; 95% confidence interval, -3.16 to 30.08). Conclusions. Spanish- and English-language electronic health information about endodontic treatment is acceptable to read, but--particularly for English-language sites--there is an important proportion of sites scoring difficulty levels well above the recommendations. Practical Implications. The internet is a useful tool for communicating with patients, but available endodontic information is difficult for laypeople to understand. Endodontists should produce relevant materials in plain language to overcome this problem. [ABSTRACT FROM AUTHOR]