• Sharma Warming posted an update 6 months, 3 weeks ago

    15 ± 172.07 for the full face, 339.57 ± 173.13 for the face without the eyes, and 385.65 ± 182.29 for the bone-supported areas, with the latter presenting statistically significant differences compared to the other two.

    Although statistically significant differences were detected in facial measurements, they were below the clinically detectable threshold. Superimposition with the full face and the face without the eyes area presented smaller discrepancies than with the bone-supported areas, with higher discrepancies in the lower third of the face.

    Although statistically significant differences were detected in facial measurements, they were below the clinically detectable threshold. Superimposition with the full face and the face without the eyes area presented smaller discrepancies than with the bone-supported areas, with higher discrepancies in the lower third of the face.

    To evaluate the efficacy of two traditional acupuncture protocols on pain relief in temporomandibular disorder (TMD) patients using either local or distal acupoints for mechanical needle stimulation.

    The sample was selected from female TMD patients with chronic pain from a specialized referral center. Clinical charts were retrieved to select patients treated by traditional acupuncture following either a protocol for application of needles in local acupoints (head, neck) or a protocol for application in distal acupoints (hands, legs, feet). Pain intensity was recorded before and after each acupuncture session by using an instrumental question with a 10-point visual analog scale (VAS). A control group consisted of nontreated patients from the waiting list for TMD treatment. Data were analyzed using descriptive statistics, paired t test, analysis of variance, and Tukey test, at a significance level of .05.

    Out of 102 TMD patients, 32 were treated with acupuncture at local points, 22 were treated with acupuncture at distal points, and 48 were controls. A significant decrease of mean VAS score (approximately 70%) was found after acupuncture treatments in both the local- and distal-point groups. The final VAS of each acupuncture group was lower than the control group, but the acupuncture groups showed no difference.

    It can be concluded that acupuncture treatment reduces chronic pain in TMD patients, and the application of needle stimulation at local or distal acupoints has similar effects.

    It can be concluded that acupuncture treatment reduces chronic pain in TMD patients, and the application of needle stimulation at local or distal acupoints has similar effects.

    To investigate the volumetric facial soft tissue changes associated with wearing complete dentures using 3D face scans.

    Forty volunteers, 20 men and 20 women, were recruited for the study and treated with maxillary and mandibular complete dentures. Six facial scans were taken of each subject. Three scans were wearing a complete denture, and three without them. The 3D face scans were captured with the volunteers in three mouth positions closed, relaxed, and smiling. Each scan was superimposed in order to analyze and quantify the linear measurements of 14 soft tissue landmarks and the total volume that the subject gained with the prosthesis.

    Three variables were evaluated in each analysis gender, mouth attitude, and age category. In the analysis of the soft tissue landmarks, there was a significant effect of age, with patients older than 75 years showing the greatest changes (P < .05). The landmarks that showed the most changes were those located around the mouth. In the volume analysis, the variable with the highest influence was gender, with men gaining more volume than women (P < .05).

    Complete dentures have a significant effect on volumetric change in perioral tissues. These changes are marked in patients older than 75 years. Compared to women, men depicted greater volumetric changes with complete dentures. These results open a new avenue for clinicians and developers using face scans to design future restorations for edentulous patients.

    Complete dentures have a significant effect on volumetric change in perioral tissues. These changes are marked in patients older than 75 years. Compared to women, men depicted greater volumetric changes with complete dentures. These results open a new avenue for clinicians and developers using face scans to design future restorations for edentulous patients.

    To evaluate the effect of hydrothermal aging on the load to failure and number of cycles to failure of implant-supported monolithic zirconia molar crowns under cyclic loading.

    Twenty identical implant-supported monolithic zirconia crowns with molar morphology were produced. Half of the crowns were aged according to ISO standard 13356 to simulate 5 years in vivo. The non-aged crowns served as a control group. Chlorin e6 order All crowns were subjected to cyclic loading with increasing increments of load until failure. The load to failure, the number of cycles to failure, and the failure pattern were determined for each crown.

    The load to failure values were 3,630 N (SD 547.8 N) and 3,640 N (SD 389.3 N) for the non-aged and aged crowns, respectively. The non-aged crowns failed after 33,480.1 cycles (SD 23,138.4 cycles), and the aged crowns failed after 28,456.1 cycles (SD 10,158.7 cycles). There was no significant difference between the two groups for the load to failure or number of cycles to failure. The predominant form of failure was catastrophic crown fracture, which was observed for all the non-aged crowns and 9 of the aged crowns.

    Within the limitations of this study, aging of the implant-supported monolithic zirconia crowns with molar morphology did not affect the load to failure or the number of cycles to failure under cyclic loading. Since all the crowns failed at much higher loads than the expected physiologic loads, clinical application of implant-supported monolithic zirconia crowns to replace missing molars seems reasonable.

    Within the limitations of this study, aging of the implant-supported monolithic zirconia crowns with molar morphology did not affect the load to failure or the number of cycles to failure under cyclic loading. Since all the crowns failed at much higher loads than the expected physiologic loads, clinical application of implant-supported monolithic zirconia crowns to replace missing molars seems reasonable.

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