This cross-sectional study examined the lower limb balance,ankle dorsiflexion,orofacial tissue pressure,and occlusal strength of rugby players.Twenty-six participants were divided into groups:rugby players(n=13)and he...This cross-sectional study examined the lower limb balance,ankle dorsiflexion,orofacial tissue pressure,and occlusal strength of rugby players.Twenty-six participants were divided into groups:rugby players(n=13)and healthy sedentary adults(n=13).Participants underwent an analysis of lower limb balance using a composite score(Y-Balance Test).Ankle dorsiflexion was measured using the Lunge Test.The Iowa Oral Performance Instrument was employed to measure orofacial tissue pressure.Bite force was measured with a dynamometer,and T-Scan assessed occlusal contact distribution.Data were analyzed using the t-test(p<0.05)and ANCOVA with age and weight as covariates,where it is possible to verify that these factors did not influence the results obtained.Significant differences were observed in the balance of the right(p=0.07)and left(p=0.02)lower limbs,where rugby players had lower composite scores.There were significant differences in the right(p=0.005)and left(p=0.004)lunges,with rugby players showing lower values,as well as lower tongue pressure(p=0.01)and higher lip pressure(p=0.03),with significant differences to sedentary participants.There was no significant difference in molar bite force and distribution occlusal contacts between groups.Rugby seems to reduce lower limb displacement,cause ankle hypomobility,lead to changes in orofacial tissues,particularly the tongue and lips.This study is significant for identifying significant differences between rugby players and sedentary individuals,providing new insights into the impact of rugby on health and performance,which can benefit sports training and injury prevention.展开更多
The occlusal force and masticatory efficiency in twenty-one patients (mandibular prognathism =11, mandibular retrognathism = 10) undergone sagittal split
Objective:To analyze the impact of 3D printing technology application on bite force and masticatory efficiency in patients following oral implant dentistry treatment.Methods:A total of 84 patients with single-tooth de...Objective:To analyze the impact of 3D printing technology application on bite force and masticatory efficiency in patients following oral implant dentistry treatment.Methods:A total of 84 patients with single-tooth defects,selected from 100 patients who sought treatment from May 2023 to March 2025 and met the study criteria,were included in this study.The patients were divided into groups using a random number table method.The control group(42 cases)received conventional oral implant treatment,while the observation group(42 cases)underwent oral implant treatment guided by 3D printing technology.Both groups were followed up continuously for 6 months postoperatively.Masticatory efficiency,bite force,implantation accuracy indicators,and the incidence of treatment complications were compared between the two groups before treatment and 6 months after treatment.Results:There was no statistically significant difference in the incidence of complications following oral implantation between the two groups(p>0.05).Compared to the control group,the observation group showed increased masticatory efficiency and bite force after oral implant treatment,with statistically significant differences in the deviation values of the implant crown,apical part in the sagittal plane,axial angle,and neck(p<0.05).Conclusion:The application of 3D printing technology in oral implant treatment can effectively reduce implant placement deviations,enhance implantation accuracy,and effectively correct and maintain the oral occlusal force and masticatory function health of patients.展开更多
文摘This cross-sectional study examined the lower limb balance,ankle dorsiflexion,orofacial tissue pressure,and occlusal strength of rugby players.Twenty-six participants were divided into groups:rugby players(n=13)and healthy sedentary adults(n=13).Participants underwent an analysis of lower limb balance using a composite score(Y-Balance Test).Ankle dorsiflexion was measured using the Lunge Test.The Iowa Oral Performance Instrument was employed to measure orofacial tissue pressure.Bite force was measured with a dynamometer,and T-Scan assessed occlusal contact distribution.Data were analyzed using the t-test(p<0.05)and ANCOVA with age and weight as covariates,where it is possible to verify that these factors did not influence the results obtained.Significant differences were observed in the balance of the right(p=0.07)and left(p=0.02)lower limbs,where rugby players had lower composite scores.There were significant differences in the right(p=0.005)and left(p=0.004)lunges,with rugby players showing lower values,as well as lower tongue pressure(p=0.01)and higher lip pressure(p=0.03),with significant differences to sedentary participants.There was no significant difference in molar bite force and distribution occlusal contacts between groups.Rugby seems to reduce lower limb displacement,cause ankle hypomobility,lead to changes in orofacial tissues,particularly the tongue and lips.This study is significant for identifying significant differences between rugby players and sedentary individuals,providing new insights into the impact of rugby on health and performance,which can benefit sports training and injury prevention.
文摘Objective:To analyze the impact of 3D printing technology application on bite force and masticatory efficiency in patients following oral implant dentistry treatment.Methods:A total of 84 patients with single-tooth defects,selected from 100 patients who sought treatment from May 2023 to March 2025 and met the study criteria,were included in this study.The patients were divided into groups using a random number table method.The control group(42 cases)received conventional oral implant treatment,while the observation group(42 cases)underwent oral implant treatment guided by 3D printing technology.Both groups were followed up continuously for 6 months postoperatively.Masticatory efficiency,bite force,implantation accuracy indicators,and the incidence of treatment complications were compared between the two groups before treatment and 6 months after treatment.Results:There was no statistically significant difference in the incidence of complications following oral implantation between the two groups(p>0.05).Compared to the control group,the observation group showed increased masticatory efficiency and bite force after oral implant treatment,with statistically significant differences in the deviation values of the implant crown,apical part in the sagittal plane,axial angle,and neck(p<0.05).Conclusion:The application of 3D printing technology in oral implant treatment can effectively reduce implant placement deviations,enhance implantation accuracy,and effectively correct and maintain the oral occlusal force and masticatory function health of patients.
