Laser-induced effects on tooth structure

  • 82 Pages
  • 2.95 MB
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by
[s.n.] , Turku
Dental enamel., Laser beams, Microradiog
StatementSirkka Kantola.
SeriesActa odontologica scandinavica : Supplementum -- 63, v. 32, Acta odontologica scandinavica. Supplementum -- 63, v. 32
Classifications
LC ClassificationsRK340 K36
The Physical Object
Pagination82 p. in various pagings :
ID Numbers
Open LibraryOL21017688M

Laser-Induced Effects On Tooth Structure I. Crater Production With A CO 2-Laser. Arje Scheinin The Institute of Dentistry, University of Turku, Finland & Sirkka Kantola The Institute of Dentistry, University of Turku, Finland.

Pages Received 23 Sep Published online: 02 Jul Cited by: 1. Acta Odontol Scand. Oct;30(4) Laser-induced effects on tooth structure. Electron probe microanalysis and polarized light microscopy of dental by: 1.

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Acta Odontol Scand. Oct;30(4) Laser-induced effects on tooth structure. A study of changes in the calcium and phosphorus contents in dentine by electron probe by: Download Citation | On Jul 2,Arje Scheinin and others published Laser-Induced Effects On Tooth Structure II. Microradiography And Polarized Light Microscopy Of Dental Enamel And Dentine.

Acta Odontol Scand. Dec;31(6) Laser-induced effects on tooth structure. X-ray diffraction study of dental enamel exposed to a CO2 by:   The use of lasers in dentistry has been considered for over 20 years.

Higher-energy density lasers were shown to fuse enamel but were potentially unsafe. Subsequently, Laser-induced effects on tooth structure book density laser radiation was shown to affect artificial caries lesion formation. Author: Kantola S, Journal: Acta odontologica Scandinavica[/10] Laser-induced effects on tooth structure.

A study of changes in the calcium and phosphorus. Highly energetic, short-pulsed laser light causes a rapid heating of dental tissue in a small area. An explosive shock wave is created when the energy causes a volumetric expansion of the water in the hard tissue.

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In other words, the water molecules in the tissue are superheated, explode, and, in turn, ablate tooth structure and caries. Teeth are complex anatomical units consisting of four types of tissues; each tissue has its own structure and properties.

A basic knowledge of teeth structure is essential for complete understanding of various defects and diseases that could affect teeth as well as for the use of optical techniques for diagnostic applications [ 40 ]. Lasers vary in type, but one major brand, Waterlase, works by heating water molecules in the tooth, which then expand and dislodge decayed tooth structure, according to.

For this purpose, saw tooth profiles (p ≈ mm, h ≈ µm) were milled from an aluminium alloy and their tips were irradiated with a femtosecond laser to generate laser-induced periodic surface structures (LIPSS) with a period of nm. Laser induced fluorescence encompass interaction of visible light with tooth.

The stimulated tooth will emit light at longer wavelength offering characteristic signature based on human tooth chemical structure. Caries will deteriorate the chemical structure of sound tooth, resulting in change in its fluorescence emission response.

Types of teeth. Most people start off adulthood with 32 teeth, not including the wisdom teeth. There are four types of teeth, and each plays an important role in how you eat, drink, and speak. Methods. Twelve windows (1 mm × 1 mm), created on six defect-free primary incisors, were characterized by FT-Raman microscopy ( nm) before and after Er:YAG laser treatment (Fidelis ®) with J/cm 2 –2 Hz–5s.

To assess the statistical significance of laser effects, Raman peaks assigned to ν 1 phosphate, type-A/B carbonates, and organic matters were evaluated with the paired. Classification of Dental Diseases Using Hyperspectral Imaging and Laser Induced Fluorescence.

effects on the tooth under examinations Book, 5th edition. ISBNSearch the world's most comprehensive index of full-text books. My library. Abstract In this work, we performed a systematic study of femtosecond laser-induced surface structures on platinum and their effects on both hydrophobicity and fibroblast cell proliferation.

Our finding is that the femtosecond laser-induced surface structures suppress the fibroblast cell proliferation. Spectrochimica Acta Part B 56 Ž ᎐ Quantitative laser-induced breakdown spectroscopy analysis of calcified tissue samples 夽 O.

Samek a,U, D.C.S. Beddowsb, H.H. Telle b,c, J. Kaiser a, M. Liska ˇ a, c ´ J.O. Caceres ´ Urena, A. Gonzales ˜ c a Institute of Physical Engineering, Technical Uni¨ ersity Brno, Technicka ´ 2,Brno, Czech Republic b Department of.

The 19 F(p, sigma) 16 O reaction was used to measure the concentratton profile of fluorine in tooth enamel. By observing the characteristic MeV gamma ray with a bigh resolution Ge(Li) detector, the fluorine concentration was measured to a depth of Vm in teeth treated with K 2 ZrF 6, NaF and acidulated differential depth resolntion was better than mu m at the.

The laser-induced fluorescence can be used to detect and diagnose dental caries, calculus and bacterial biofilms in dental applications.

As such the molecular fluorescence phenomenon has been. Laser Therapy Prompts Regeneration in Teeth Twelve weeks after the low-power laser treatment, more newly formed dentin, marked by yellow hashtags (#), can be seen in the laser-treated teeth (right) than in the controls (left).

Harvard's Wyss Institute and SEAS. The ablation effect of laser treatment of dental tissues is mainly determined by: i) wavelength, ii) power fluence, and iii) pulse structure.

To evaluate the effect of pulse structure, the   The laser irradiation have shown a range of applications from fabricating, melting, and evaporating nanoparticles to changing their shape, structure, size, and size distribution.

Laser induced plasma has used for different diagnostic and technological applications as detection, thin film deposition, and elemental identification. The possible interferences of atomic or molecular species are. Hard tissue lasers can cut through tooth structure.

Their wavelengths are absorbed through the combination of water and a specific mineral found in teeth. These lasers.

Despite improvements in dental care, millions of Americans suffer tooth loss -- mostly due to tooth decay, periodontal disease, or injury.

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For many years, the only treatment options available for. 1 Abnormalities of the Teeth Steven Chussid D.D.S. Director, Division of Pediatric Dentistry Abnomalities of teeth Environmental alterations Developmental alterations Environmental alterations Effects on tooth structure development Localized Systemic Postdevelopmental structure loss Discoloration of teeth Localized disturbances of eruption.

Low-power pulsed Nd:YAG laser dose, as used in the clinical trial to induce anaesthesia, does not cause morphological damage to the mineralized tooth structure. Both Laser and EMLA groups observed mild superficial pulpal change in the presence of.

Laser-induced breakdown spectroscopy (LIBS) is an analytical detection technique based on atomic emission spectroscopy to measure elemental composition. With the development of lasers and detection systems, applications of LIBS encompass a broad range, including physics, engineering, space missions, environment, etc.

due to the unique features of little or no sample preparation, noncontact. Keep your teeth as clean as possible. Many more bacteria and germs can cause tooth decay and infections in a mouth with little to no saliva. Therefore, it is important that you brush with a soft toothbrush and clean between the teeth as instructed by the dental professional at least two times per day.

Enamel is the hard, protective outer layer of your teeth. Enamel hypoplasia is a defect of the enamel that only occurs while teeth are still developing. Still, it can affect both baby teeth and.

The dentist or orthodontist you choose will ask questions about your health, do a clinical exam, take a digital scan of your teeth, take photos of your face and teeth, and order X-rays of the.

Clay mineral is an important material available in nature. With an increasing understanding of clay structure, montmorillonite is realized viable for an enhanced performance in a variety of materials and products in the areas of catalysis, food additive, antibacterial function, polymer, sorbent, etc.

Significant development in the use and application of montmorillonite is seen in recent time.Rodrigo Duarte Farias, Comment on “Effects of the GaAlAs diode laser ( nm) on the periodontal tissues during orthodontic tooth movement in diabetes rats: histomorphological and immunohistochemical analysis”, Lasers in Medical Science, /s.