Results 121 to 130 of about 55,331 (264)

Active Design of Contact Pattern and Experimental Verification of the Aero Spiral Bevel Gear

Jixie chuandong
In this study, an aero spiral bevel gear box is taken as the research object. An active design method for the bevel gear contact pattern is proposed. Firstly, the tooth surface design is carried out based on the macro parameters of spiral bevel gears and
Qian Lulu, Liu Hai'ou, Gao Jian, Lou Peng   +3 more
doaj  

Analysis of gear transmission error in helical gear using enhanced tooth contact analysis model considering measured tooth profile errors. [PDF]

Sci Rep
Im D, Chung WJ, Lee H, Lee YJ, Sung H, Lee M, Park YJ.   +6 more
europepmc   +1 more source

Exploring the association between vitamin C intake and gingival bleeding tendency in healthy, non‑deficient young adults

Journal of Periodontology, EarlyView.
Abstract Background The aim of this study is to investigate the relationship between reported vitamin C intake and gingival bleeding severity. Methods In this cross‐sectional study, 336 participants were screened, and 262 (118 females, 144 males) were eligible. Vitamin C intake was derived from the Food Frequency Questionnaire (FFQ).
Thijs M. H. de Jong, Dagmar E. Slot, Cees Valkenburg, Bruno G. Loos, Fridus A. van der Weijden   +4 more
wiley   +1 more source

Smoking effects on root coverage outcomes between 3 and 12 months: A prospective cohort study

Journal of Periodontology, EarlyView.
Abstract Background This study aimed to evaluate the impact of smoking on root coverage outcomes, comparing healing responses at 3–12 months following coronally advanced flap with a connective tissue graft (CAF+CTG). Methods This prospective cohort study included 27 participants (13 smokers, 14 non‐smokers) who required root coverage for a single Cairo
Hande Has‐Elci, Duygu Taş, Zeliha Güney, Merve Atak, Sivge Kurgan, Muhittin A. Serdar, Dimitris N. Tatakis   +6 more
wiley   +1 more source

Force systems and the function of attachments in aligner biomechanics: an analytical approach. [PDF]

Dental Press J Orthod
Shibasaki W, Oliveira W.
europepmc   +1 more source

Use of ultrasonography in assessing peri‐implant osseous defects: An in vitro study

Journal of Periodontology, EarlyView.
Abstract Background The purpose of this study is to investigate the feasibility and diagnostic accuracy of ultrasonography in peri‐implant defect identification and evaluation, and to compare ultrasonography (USG) with cone‐beam computed tomography (CBCT) in defect identification and evaluation in an in vitro model.
Melissa Rachel Fok, Alice Yee Ting Kan, Chris Tat Chuen Fok, Ray Tanaka, George Pelekos   +4 more
wiley   +1 more source

A strength reliability calculation method of tip relief gears. [PDF]

PLoS One
Wang H, Xiao J, Yin L, Hu B, Liu H.
europepmc   +1 more source

Artificial Intelligence Revolution: The Need for a Regulatory and Governance Framework in Dentistry

Journal of Dental Education, EarlyView.
Ehsan Jozaghi
wiley   +1 more source

Impact of toothbrush type and periodontal phenotype on root coverage stability: A 6‐year observational follow‐up of a randomized clinical trial

Journal of Periodontology, EarlyView.
Abstract Background This 6‐year observational follow‐up of a randomized, parallel‐arm clinical trial evaluated the association between toothbrush type and periodontal phenotype on the long‐term stability of the gingival margin (GM) following coronally advanced flap (CAF) surgery.
Raffaele Acunzo, Enrico Limiroli, Silvia Ricoboni, Giorgia Saracino, Giulio Rasperini   +4 more
wiley   +1 more source

Accuracy of a Digital Intraoral Scanner in Recording Occlusal Contact Points in Patients with Natural Dentition Compared to 8-µm Articulating Paper: A Cross-Sectional In-Vivo Study. [PDF]

Cureus
Almahdi Altounsi T, Morad ML, Hajeer MY.
europepmc   +1 more source