Results 81 to 90 of about 124,995 (308)

Loss, persistence and reversal of phenotypic traits

open access: yesBiological Reviews, EarlyView.
ABSTRACT The irreversibility of complex trait loss has long been a tenet of evolutionary biology. However, this idea is increasingly at odds with the numerous documented exceptions across the Tree of Life. We synthesise this growing body of evidence across a diverse array of taxa and traits, exploring the evolutionary conditions that enable ...
Giobbe Forni   +4 more
wiley   +1 more source

Fluorosis and periodontium: A report of our institutional studies

open access: yesJournal of International Clinical Dental Research Organization, 2014
Fluorosis is a world-wide prevalent endemic disease due to high-fluoride water intake, especially in the developing countries. Among the various environmental etiological factors, the influence of high-fluoride water intake on the periodontium is still ...
K L Vandana
doaj   +1 more source

Laterally positioned flap with connective tissue graft to treat deep isolated gingival recessions in the mandibular anterior region: A retrospective case series with 10‐year follow‐up

open access: yesClinical Advances in Periodontics, EarlyView.
ABSTRACT Background To evaluate the efficacy and long‐term clinical outcomes of the one‐stage procedure for covering isolated deep gingival recessions (GRs) in the mandibular anterior region employing a laterally positioned flap (LPF) with a connective tissue graft (CTG), with a retrospective case series.
Lucrezia Parma‐Benfenati   +1 more
wiley   +1 more source

Study of adhesion of "MERON" and "TOTAL-CEM" cements to dentine, cyscium chlorine and dioxide alloy

open access: yesJournal of Education, Health and Sport, 2017
Analysis of literature data shows that glassless cements of Méron and Total-cem are now widely used in dentistry to fix dental tabs [1]. Therefore, the study of the adhesion of these cements to the dentin and to the inserts of the KHS and zirconium ...
L. D. Chulak   +4 more
doaj   +1 more source

Near-infrared imaging of demineralization on the occlusal surfaces of teeth without the interference of stains. [PDF]

open access: yes, 2019
Most new caries lesions are found in the pits and fissures of the occlusal surface. Radiographs have extremely low sensitivity for early occlusal decay, and by the time the lesion is severe enough to appear on a radiograph, it typically has penetrated ...
Almaz, Elias   +4 more
core   +1 more source

Histopathological evaluation of root canal filling materials for primary teeth [PDF]

open access: yes, 2010
This study aimed to assess the response of apical and periapical tissues of dogs¿ teeth after root canal filling with different materials. Forty roots from dogs¿ premolars were prepared biomechanically and assigned to 4 groups filled with: Group I ...
Gatón Hernández, Patrícia   +6 more
core   +2 more sources

Root coverage using a microsurfaced acellular dermal matrix: A retrospective case series

open access: yesClinical Advances in Periodontics, EarlyView.
Abstract Background Acellular dermal matrices (ADMs) have been used for root coverage for over 25 years, yet few advancements have improved clinical outcomes or reduced complications. This case series evaluated the use of a novel microsurfaced ADM (mADM), which features a microtextured surface designed intended to promote healing and improve graft ...
Yu‐Chang Wu   +2 more
wiley   +1 more source

Evaluation of the bond strength of glass ionomer cement modified with fluoride-loaded chitosan nanoparticles to caries-affected dentin

open access: yesBMC Oral Health
Background This study aimed to evaluate the shear bond strength (SBS) of glass ionomer cement (GIC) modified with fluoride-loaded chitosan nanoparticles when applied to both sound dentin and caries-affected dentin (CAD).
Hanife Altınışık   +4 more
doaj   +1 more source

Longitudinal study on the influence of Nd:YAG laser irradiation on microleakage associated of two filling techniques. [PDF]

open access: yes, 2009
Objective: This study investigates the effects of Nd:YAG laser irradiation on apical and coronal seals, when used prior to two root canal filling techniques.
De Moor, Roeland   +4 more
core   +1 more source

Periodontitis treatment and microbiome in a patient with FAM20A mutation: Case study of 1.5 years

open access: yesClinical Advances in Periodontics, EarlyView.
Abstract Background Enamel‐renal‐gingival syndrome (ERGS) is an autosomal recessive disorder caused by mutations in the FAMily with sequence similarity 20A (FAM20A) gene, and is characterized by amelogenesis imperfecta, delayed or failed tooth eruption, and periodontitis.
John Rong Hao Tay   +2 more
wiley   +1 more source

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