Results 21 to 30 of about 40,023 (290)

Influence of vitamin B12 and light on the formation of chlorosomes in green- and brown-colored Chlorobium species [PDF]

open access: yes, 1993
The specific Bchl a and c content of the vitamin B12-dependent Chlorobium limicola strain 1230 decreased strongly under vitamin B12 limitation. In comparison to a regularly grown culture (20 g vitamin B12/l) the specific Bchl c content of a B12-limited ...
Fischer, Ulrich   +3 more
core   +1 more source

Functional Crown Lengthening: Biological Width Correction

open access: yesJournal of Indonesian Dental Association, 2020
Introduction: Functional crown lengthening is one of the most common surgical procedures that facilitating restorative treatment. It was done on teeth with inadequate clinical crowns in the presence of deep and subgingival pathologies. Inadequate clinical crowns defined as tooth with less than 2 mm cervico-incisal of sound.
Diatri Nari Ratih, Regia Aristiyanto
openaire   +2 more sources

Surgical Crown Lengthening: Evaluation of the Biological Width [PDF]

open access: yesJournal of Periodontology, 2003
Background: Previous surgical crown lengthening studies have investigated positional changes of the free gingival margin but not the biological width. Histological studies utilizing animal models have shown that postoperative crestal resorption allowed reestablishment of the biological width. However, very little work has been done in humans. Therefore,
Lanning, Sharon K.   +3 more
openaire   +3 more sources

Genetic diversity of Cryptosporidium spp. in captive reptiles [PDF]

open access: yes, 2004
The genetic diversity of Cryptosporidium in reptiles was analyzed by PCR-restriction fragment length polymorphism and sequence analysis of the small subunit rRNA gene.
Xiao, L.   +12 more
core   +2 more sources

Co-targeting of DNA, RNA, and protein molecules provides optimal outcomes for treating osteosarcoma and pulmonary metastasis in spontaneous and experimental metastasis mouse models. [PDF]

open access: yes, 2017
Metastasis is a major cause of mortality for cancer patients and remains as the greatest challenge in cancer therapy. Driven by multiple factors, metastasis may not be controlled by the inhibition of single target.
DeVere White, Ralph W   +11 more
core   +1 more source

Full-mouth aesthetic rehabilitation: A perio-prostho interdisciplinary approach

open access: yesJournal of International Clinical Dental Research Organization, 2015
Crown lengthening is a surgical procedure aimed at the removal of periodontal tissue to increase the clinical crown height. The clinician needs to have an understanding of the biological width, indications, technique as well as limitations regarding ...
Arnav Mukherji, Saroj Kumar Rath
doaj   +1 more source

Biologic width - knowledge key for restorative dentistry

open access: yesInternational journal of health sciences, 2022
Aim: To elaborate the importance of the concept of biologic width in terms of restorative dentistry. Background: Biological width is the natural distance (combine heights) between the base of the healthy gingival sulcus or epithelial attachment to the tooth and the height of the alveolar bone or connective tissue. For better description of relationship
Priyanka Panikkar   +5 more
openaire   +1 more source

Matrix modification for enhancing the transport properties of the human cartilage endplate to improve disc nutrition. [PDF]

open access: yes, 2019
Poor solute transport through the cartilage endplate (CEP) impairs disc nutrition and could be a key factor that limits the success of intradiscal biologic therapies.
Dolor, Aaron   +5 more
core   +2 more sources

An interdisciplinary approach to reconstruct a fractured tooth under an intact all ceramic crown: Case report with four years follow up

open access: yesIndian Journal of Dental Research, 2011
Trauma causing the fracture of a restored tooth with the extracoronal full coverage prosthesis remaining intact is a common occurrence in dental practice.
Sudhir Bhandari   +2 more
doaj   +1 more source

Clinical significance of biological width in crown lengthening

open access: yesInternational journal of health sciences, 2021
The biologic width is defined as the physiologic dimension of the junctional epithelium and connective tissue attachment. This article reviews clinical Significance of Biological Width in Crown Lengthening.
Sandeep Arora   +2 more
openaire   +1 more source

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