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Tech Corner
Microsoft announces quarterly earnings release date PDF Print E-mail
REDMOND, Wash. — October 13, 2014 — Microsoft Corp. will publish fiscal year 2015 first-quarter financial results after the close of the market on Thursday, October 23, 2014 on the Microsoft Investor Relations website at http://www.microsoft.com/investor.  A live webcast of the earnings conference call will be made available at 2:30 … Read more »
 
Variations in mouthguard thickness according to fabrication method. PDF Print E-mail
Mizuhashi, F., Koide, K. and Takahashi, M. (2014), Variations in mouthguard thickness according to fabrication method. Dental Traumatology. doi: 10.1111/edt.12128

Abstract

Aim

The purpose of this study was to examine differences in mouthguard thickness according to the method used to form the mouthguard sheet in a combination vacuum-pressure former.

Materials and methods

The material used in this study was a mouthguard sheet of 3.8-mm ethylene vinyl acetate. Three forming methods were used: vacuum-forming, vacuum-pressure-forming, and pressure-forming. The sheets were formed when heating causing them to displace 15 mm from baseline. We measured mouthguard thickness at the labial surface of the central incisor, the buccal surface of the first molar, and the occlusal surface of the first molar. Differences in thickness in different regions of mouthguards formed under different conditions were analyzed by two-way analysis of variance and the Bonferroni method.

Results

We found that mouthguard thickness differed in different regions of the central incisors and the first molars (< 0.01). The incisal (cusp) region was thinner than the cervical region. There were significant differences in the thicknesses of vacuum-formed mouthguards and vacuum-pressure-formed mouthguards (< 0.05), with the vacuum-forming method resulting in thinner guards than the vacuum-pressure-forming method. Mouthguard thickness at the first molar did not differ according to the forming method.

Conclusions

Our results suggest that mouthguard thickness at the anterior teeth varies with different forming methods. This information is important when selecting a mouthguard-forming method.

Marty Jablow DMD - Dental News and Technology

 
The Blog is on Hold This Week for Royals Post-Season PDF Print E-mail



I hate to do this, but with my beloved Royals in the post season, it's just too hard to see patients, make it to games, AND blog.

So... for this week I'm taking time off.

Hopefully I can resume next week.

Thanks for your understanding and continued reading!
 
Microsoft and Salesforce.com Unveil New Joint Solutions at Dreamforce 2014 PDF Print E-mail
SAN FRANCISCO—DREAMFORCE 2014—Oct. 13, 2014—Microsoft Corp. (Nasdaq: MSFT) and salesforce.com (NYSE: CRM) today announced significant progress in their strategic partnership announced in May. The two companies unveiled new joint solutions—including Salesforce1 for Windows, Salesforce for Office and Power BI for Office 365 and Excel integrations with Salesforce—at Dreamforce 2014, the … Read more »
 
Double Full-Arch Versus Single Full-Arch, Four Implant-Supported Rehabilitations: A... PDF Print E-mail
Maló, P., Araújo Nobre, M. D., Lopes, A. and Rodrigues, R. (2014), Double Full-Arch Versus Single Full-Arch, Four Implant-Supported Rehabilitations: A Retrospective, 5-Year Cohort Study. Journal of Prosthodontics. doi: 10.1111/jopr.12228

Abstract

Purpose

To report the 5-year outcome of the All-on-4 treatment concept comparing double full-arch (G1) and single-arch (G2) groups.

Materials and Methods

This retrospective cohort study included 110 patients (68 women and 42 men, average age of 55.5 years) with 440 NobelSpeedy groovy implants. One hundred sixty-five full-arch, fixed, immediately loaded prostheses in both jaws were followed for 5 years. G1 consisted of 55 patients with double-arch rehabilitations occluded with implant-supported fixed prostheses, and G2 consisted of 55 patients with maxillary single-arch rehabilitations or mandibular single-arch rehabilitations occluded with natural teeth or removable prostheses. The groups were matched for age (±6 years) and gender. Primary outcome measures were cumulative prosthetic (both interim and definitive) and implant survival (Kaplan-Meier product limit estimator). Secondary outcome measures were marginal bone levels at 5 years (through periapical radiographs and using the patient as unit of analysis) and the incidence of mechanical and biological complications. Differences in survival curves (log-rank test), marginal bone level (Mann-Whitney U test), and complications (chi-square test) were compared inferentially between the two groups using the patient as unit of analysis with significance level set at p ≤ 0.05.

Results

No dropouts occurred. Prosthetic survival was 100%. Five patients lost 5 implants (G1: n = 3; G2: n = 2) before 1 year, rendering an estimated cumulative survival rate of 95.5% (G1: 94.5%; G2: 96.4%; Kaplan-Meier, p = 0.645, nonsignificant). The average (SD) marginal bone level was 1.56 mm (0.89) at 5 years [G1: 1.45 mm (0.77); G2: 1.67 mm (0.99); p = 0.414]. The incidence rate of mechanical complications (in both interim and definitive prostheses) was 0.16 and 0.13 for G1 and G2, respectively (p = 0.032). The incidence rate of biological complications was 0.06 and 0.05 for G1 and G2, respectively (p = 0.669).

Conclusions

Based on the results, rehabilitating double- or single-arch edentulous patients did not yield significant differences on survival curves. The incidence of mechanical complications was significantly higher for double-arch rehabilitated patients but nevertheless, these mechanical complications did not affect the long-term survival of either the prostheses or the implants.

Marty Jablow DMD - Dental News and Technology

 
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