Factors associated with age-related changes in oral diadochokinesis and masticatory function in healthy old adults.

Background: This cross-sectional study aimed to identify factors associated with age-related changes in masticatory performance (MP) and oral diadochokinesis (ODK) and to provide normal values in healthy old adults for the diagnosis of oral frailty.

Methods: A total of 385 participants were divided into three age groups (Gr1-3): 20-64 years, 65-74 years, and ≥ 75 years. To investigate tongue-lip motor function, ODK was assessed as the number of repetitions of the monosyllables /pa/ta/ka/.

Zirconia-veneered polyetherketoneketone frameworks of implant-supported complete arch fixed dental prostheses: A report on 5 patients.

Metal frameworks have been used for implant-supported complete arch fixed dental prostheses (ISCFDPs) for maxillary or mandibular edentulous arches with a crown height space of more than 15 mm. However, technical difficulties in the casting, weight, and lack of passivity of the metal have led dentists and dental laboratory technicians to choose materials with different biomechanical properties, including polyetheretherketone (PEEK) and polyetherketoneketone (PEKK). This clinical report describes the design of ISCFDPs using PEKK frameworks, the number of cantilevers, the condition of the opposing dentition, and the incidence of complications, including zirconia crown or PEKK framework fracture, as well as the clinical outcomes of 5 patients observed prospectively over 8 to 65 months.

Assessment of Age-Related Changes on Masticatory Function in a Population with Normal Dentition.

This study aimed to investigate the influence of changes in age-related physiological muscular and dental factors on masticatory function. This study was conducted in 211 healthy participants divided into four different age groups: 20-45 years (Gr1); 45-60 years (Gr2); 61-70 years (Gr3); and ≥71 years (Gr4). For objective evaluation of masticatory function, the masticatory performance, bite force, posterior bite area (PBA), functional tooth units (FTUs), the number of remaining teeth, tongue pressure, masseter muscle thickness (MMT), and handgrip strength were examined.