Objective: To investigate the impact of the anterior teeth display during smiling (ATDDS) on the self-perceived psychosocial impacts of malocclusion in adolescents.
Materials And Methods: This cross-sectional study included a convenience sample of 301 adolescents (mean age 16.1 years, SD 1.8 years; 58.1% female). Two instruments were used for data collection: (1) the Dental Aesthetic Index (DAI) and (2) the Psychosocial Impact of Dental Aesthetics Questionnaire (PIDAQ). In addition, ATDDS was assessed in posing smiling, and adolescents' satisfaction with their dental appearance was investigated. Data analysis included descriptive statistics, Kruskal-Wallis test and Mann-Whitney U-test, Spearman correlation, and multiple linear regression analysis.
Results: Significant associations were observed between independent variables (ATDDS, DAI scores, and satisfaction with dental appearance) and total PIDAQ score (R(2) = 0.37) and dental self-confidence (R(2) = 0.37), psychological impact (R(2) = 0.30), esthetic concern (R(2) = 0.20), and social impact (R(2) = 0.15).
Conclusion: The excessive anterior teeth display during smiling may potentially influence the self-perceived psychosocial impacts of malocclusion in adolescents depending on the severity level of malocclusion and the self-reported satisfaction with dental appearance.
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http://dx.doi.org/10.2319/051710-263.1 | DOI Listing |
JBMR Plus
February 2025
Radiology and Imaging Sciences, National Institutes of Health Clinical Center, National Institutes of Health, Bethesda, MD 20892, United States.
Jansen metaphyseal chondrodysplasia (JMC) is an ultra-rare disorder caused by constitutive activation of parathyroid hormone type 1 receptor (PTH1R). We sought to characterize the craniofacial phenotype of patients with the disease. Six patients with genetically confirmed JMC underwent comprehensive craniofacial phenotyping revealing a distinct facial appearance that prompted a cephalometric analysis demonstrating a pattern of mandibular retrognathia.
View Article and Find Full Text PDFProg Orthod
January 2025
Department of Orthodontics, School and Hospital of Stomatology, China Medical University, Shenyang, 110002, P.R. China.
Objective: This study aimed to evaluate the positional and morphological changes in the temporomandibular joint (TMJ) in adult patients with skeletal Class I malocclusion treated with fixed orthodontic appliances (FAs) and clear aligners (CAs), both with and without premolar extractions.
Methods: This retrospective study involved 120 adult patients divided into non-extraction and extraction groups, each further subdivided equally into those treated with FAs and CAs. Cone beam computed tomography (CBCT) was used to assess the TMJ measurements before (T0) and after treatment (T1).
Objectives: To: 1) analyze possible differences in the CIEDE2000 lightness, chroma and hue of the gingiva at the free gingival margin (FGM) and the middle zone of keratinized gingiva (MZ) between participants with an ISFP in the maxillary anterior region and participants with natural dentition and healthy gums; and 2) examine the perceptibility/acceptability of the differences in CIEDE2000 lightness, chroma and hue and in overall color, using the Euclidean and CIEDE2000 formulae.
Methods: The L*, a* and b* color coordinates were measured in 60 adult participants (30 with an ISFP and 30 with healthy teeth and gums) using a Spectroshade™ Micro spectrophotometer. From these coordinates, the changes in lightness (ΔL'), chroma (ΔC') and hue (ΔH') CIEDE2000 between the participants with and without an ISFP were quantified.
Dent Mater
January 2025
Dental Biomaterials Research Unit (d-BRU), Institute of Dentistry, University of Liège (ULiège), Liège, Belgium; Department of Fixed Prosthodontics, Institute of Dentistry, University of Liège Hospital (CHU), Liège, Belgium. Electronic address:
Objectives: To report up to 9-year results of a prospective and retrospective study on non-invasive full-mouth rehabilitation of worn dentition with PICN CAD-CAM restorations using the One-Step No-Prep technique. The secondary objective is to evaluate the influence of restoration thickness on fracture of restorations.
Methods: A total of 580 Vita Enamic restorations (218 anterior and 362 posterior; 260 monoblock (MO) and 320 multiColor (MC)) in 24 patients were clinically evaluated once a year (up 9 months to 9 years) according to FDI criteria.
J Periodontol
January 2025
Discipline of Periodontics, School of Dentistry, University of São Paulo, São Paulo, Brazil.
Background: Gingivitis, a widely prevalent oral health condition, affects up to 80% of the population. Traditional assessment methods for gingivitis rely heavily on subjective clinical evaluation. This study seeks to explore the efficacy of interpreting the color metrics from intraoral scans to objectively differentiate between healthy and inflamed gingiva.
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