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Research Article | Open Access

Published on: 12 Jun 2026

Article ID: wjdapp.2026.f1201

The Hot Tooth Paradox of Thermal Gradient‑Driven Implant Fracture
Mohammad Yaghoub Abdollahzadeh Jamalabadi* 1

Objective: This study aims to develop a comprehensive framework combining analytical closed form solutions with coupled thermomechanical finite element modeling to investigate transient thermal loads on the propagation of pre-existing micro-cracks in a mandibular molar restored with a titanium dental implant.

Methods: A three-dimensional (3D) model was reconstructed from micro-CT data. Before numerical simulation, a one-dimensional analytical…

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Research Article | Open Access

Published on: 04 Apr 2026

Article ID: wjdapp.2026.d0405

Evaluation of Periodontal Parameters Among Infertile Men Undergoing Periodontitis Treatment: A Retrospective Study
Rim M. Ghanem 1 Mazen A. Ghanem* 2 Manal A. Safan 3 Ahmed M. Ghanem 4 Dalia M. Ghalwash 1

Background and Objectives: Periodontitis has been linked to idiopathic male infertility and impairment of semen values. However, data on the role of periodontal treatment in sperm parameter outcomes as well as the identification of the value of clinical periodontal infection predictors (BOP, PD, and CAL) as composite measures following active periodontitis therapy are limited. This study aimed to evaluate the role of periodontitis treatment in infertile men and its impact on…

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