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Diode laser in dentistry

Carlo Fornaini, Elisabetta Merigo, Michele Sozzi, Jean-Paul Rocca, Federica Poli, Stefano Selleri, Annamaria Cucinotta
Objectives: The introduction of diode lasers in dentistry had several advantages, principally consisting on the reduced size, reduced cost and possibility to beam delivering by optical fibbers. Up today only the wavelengths around 810 and 980 nm were the most utilized in oral surgery but recently more different lasers had been proposed. The aim of this study was to compare the efficacy of four diode laser wavelengths (810, 980, 1470 and 1950 nm) for the ablation of soft tissues. Material and methods: Specimens were surgically collected from the dorsal surface of four bovine tongues and irradiated by four different diode wavelengths...
June 29, 2016: Laser Therapy
Mini Saluja, Harpreet Singh Grover, Pankaj Choudhary
INTRODUCTION: Dentinal hypersensitivity is one of the most common problem, encountered in dental practice but has least predictable treatment outcome. The advent of lasers in dentistry has provided an additional therapeutic option for treating dentinal hypersensitivity. Although various lasers have been tried over a period of time to treat dentinal hypersensitivity, but still the doubt persist as to which laser leads to maximum dentinal tubular occlusion and is most suitable with minimal hazardous effects...
July 2016: Journal of Clinical and Diagnostic Research: JCDR
M Roncati, D Lauritano, F Cura, F Carinci
Since the laser and photomodulation were discovered over 50 years, they have been used for many applications in medicine and in dentistry also. In particular, light-emitting diodes therapy (LT) achieved a great success in medical treatment and photo-therapy. In the decades, LT has been used for several therapeutic purposes. Many beneficial effects have been demonstrated in vitro and in vivo, including antibacterial, antiviral, antitumor, cell differentiation, immune potentiating and tissue repair activities...
April 2016: Journal of Biological Regulators and Homeostatic Agents
Yves Saydjari, Thorsten Kuypers, Norbert Gutknecht
Objective. In endodontics, Nd:YAG laser (1064 nm) and diode laser (810 nm and 980 nm) devices are used to remove bacteria in infected teeth. A literature review was elaborated to compare and evaluate the advantages and disadvantages of using these lasers. Methods. Using combined search terms, eligible articles were retrieved from PubMed and printed journals. The initial search yielded 40 titles and 27 articles were assigned to full-text analysis. The studies were classified based upon laser source, laser energy level, duration/similarity of application, and initial and final bacterial count at a minimum of 20 prepared root canals...
2016: BioMed Research International
Güzin Neda Hasanoglu Erbasar, Burcu Senguven, Sibel Elif Gultekin, Sedat Cetiner
INTRODUCTION: Pyogenic granuloma (PG) is a prevalent inflammatory hyperplasia of skin and oral mucosa which is often caused by constant low-grade local irritation, traumatic injury or hormonal factors. In many cases, gingival irritation and inflammation due to poor oral hygiene are precipitating factors. Oral PG occurs predominantly on the gingiva, but it is also encountered on the lips, tongue, buccal mucosa and rarely on the hard palate. Although surgical excision is the first choice of treatment, many other treatment modalities could be counted such as cryosurgery, sodium tetradecyl sulfate sclerotherapy, intralesional steroids, flash lamp pulsed dye laser, neodymium-doped yttrium aluminium garnet (Nd:YAG) laser, carbon dioxide (CO2) laser, erbium-doped yttrium aluminum garnet (Er:YAG) lasers and diode laser have been suggested...
2016: Journal of Lasers in Medical Sciences
Debanti Giri, Nitin Agarwal, Abhishek Sinha, Sunita Srivastava, Anuj Mishra
Laser first came into light in 1960 and had been used extensively in various fields of medicine. Laser has been experimented in the various dental field, and its utility is being recognized and established well in the dentistry. Lasers are widely used for a number of procedures such as cavity preparation, scaling, and root planning, surgical procedures like excision of soft tissue growths, etc., Improved healing, hemostasis, and sutureless excisions are some of the many advantages of laser over conventional treatment modalities...
April 2016: Contemporary Clinical Dentistry
Joana Reichelt, Jochen Winter, Jörg Meister, Matthias Frentzen, Dominik Kraus
OBJECTIVES: The objective of this study was to examine a new blue light diode laser system (445 nm) for dental soft tissue surgery on cellular level. MATERIALS AND METHODS: An in vitro cell culture model was established to evaluate the effects of the 445-nm diode laser in comparison to an established infrared diode laser (IR). Monolayer cell cultures were irradiated and wound healing was morphometrically measured. Fluorescence staining was used for proof of potential DNA double-strand breaks as well as cytoskeleton alterations...
June 1, 2016: Clinical Oral Investigations
P V M Uday Mohan, K S Uloopi, C Vinay, R Chandrasekhar Rao
BACKGROUND: The survival of atraumatic restorative treatment (ART) restorations would be enhanced if near total elimination of cariogenic microorganisms could be done in the process of cavity cleaning before placing a restoration. Thus, use of disinfecting agents for achieving this goal could herald a new beginning in the field of contemporary dentistry. AIM: To assess and compare the cavity disinfection efficacy of APF gel, Brazilian Propolis, Diode Laser, and 2% chlorhexidine (CHX)...
January 2016: Contemporary Clinical Dentistry
Michele Baffi Diniz, George Joseph Eckert, Carlos González-Cabezas, Rita de Cássia Loiola Cordeiro, Andrea Gonçalves Ferreira-Zandona
PURPOSE: Secondary caries is the major reason for replacement of restorations in operative dentistry. New detection methods and technology have the potential to improve the accuracy for diagnosis of secondary carious lesions. This in vitro study evaluated the performance of the ICDAS (International Caries Detection and Assessment System) visual criteria and optical devices for detecting secondary caries around amalgam and composite resin restorations in permanent teeth. MATERIALS AND METHODS: A total of 180 extracted teeth with Class I amalgam (N = 90) and resin composite (N = 90) restorations were selected...
March 2016: Journal of Esthetic and Restorative Dentistry
Kazem Dalaie, Roya Hamedi, Mohammad Javad Kharazifard, Mina Mahdian, Mehrdad Bayat
OBJECTIVES: One major drawback of orthodontic treatment is its long duration due to slow tooth movement and the pain at the onset of treatment following application of forces. There is controversy regarding the efficacy of laser for decreasing the treatment time and pain of orthodontic treatment. The purpose of this study was to investigate the effect of low level diode laser on the rate of orthodontic tooth movement and the associated pain. MATERIALS AND METHODS: In this double blind randomized controlled clinical trial, 12 orthodontic patients referring to Shahid Beheshti School of Dentistry for first premolar extraction were randomly selected and allocated to gallium aluminum-arsenide laser (GA-AL-AS diode laser, 880 nm, 100 mW, 5 j/cm(2), 8 points, 80 seconds, continuous mode) or control group...
April 2015: Journal of Dentistry of Tehran University of Medical Sciences
Simel Ayyildiz, Faruk Emir, Cem Sahin
Light amplification by stimulated emission of radiation (laser) is one of the most recent treatment modalities in dentistry. Low-level laser therapy (LLLT) is suggested to have biostimulating and analgesic effects through direct irradiation without causing thermal response. There are few studies that have investigated the efficacy of laser therapy in temporomandibular disorders (TMD), especially in reduced mouth opening. The case report here evaluates performance of LLLT with a diode laser for temporomandibular clicking and postoperative findings were evaluated in two cases of TMD patients...
2015: Case Reports in Dentistry
Gregori M Kurtzman, Mary K Hughes
Perio treatment has evolved beyond simple scaling with hand instruments. Ultrasonics and diode lasers have improved both the efficiency of treatment as well as treatment prognosis to arresting the disease process and gaining clinical attachment and decreasing pocket depth. Add to this the benefits of adjunct medicaments both at time of treatment via site placement and during routine home care by the patient, and we are able to tip treatment outcome in a more favorable direction. Periodontology has been closely linked to systemic health both as a causative agent to health issues and as a secondary site for some medical conditions...
May 2015: Dentistry Today
Somaye Mazarei Sotoode, Somayyeh Azimi, Sayed Alinaghi Taheri, Mohammad Asnaashari, Hamidreza Khalighi, Somayeh Rahmani, Soudeh Jafari, Zahra Elmi Rankohi
INTRODUCTION: The role of laser in conservative management of oral disease is well established. Laser procedures are common in the fields of oral surgery, implant dentistry, endodontic, and periodontic therapy. CASE: This case series describes the use of diode laser for the excision of oral exophytic lesions. All the patients attended the oral medicine department of Shahid Beheshti University of Medical Sciences, Tehran, Iran. Criteria in patient selection were accessibility to lesions, patient fear from blade surgery, aesthetics, and probability of bleeding...
2015: Journal of Lasers in Medical Sciences
Ena Mathur, Mohit Sareen, Payal Dhaka, Pallavi Baghla
INTRODUCTION: Lasers have made tremendous progress in the field of dentistry and have turned out to be crucial in oral surgery as collateral approach for soft tissue surgery. This rapid progress can be attributed to the fact that lasers allow efficient execution of soft tissue procedures with excellent hemostasis and field visibility. When matched to scalpel, electrocautery or high frequency devices, lasers offer maximum postoperative patient comfort. METHODS: Four patients agreed to undergo surgical removal of benign lesions of the oral cavity...
2015: Journal of Lasers in Medical Sciences
Vinay Kumar Reddy Kundoor, Ashwini Patimeedi, Shameena Roohi, Kotya Naik Maloth, Sunitha Kesidi, Geetha Kumari Masabattula
INTRODUCTION: Laser dentistry is a one of the upcoming advanced treatment modality for oral mucosal lesions. Diode laser is a soft tissue laser that has found much acceptance in all branches of dentistry. Available compact size and feasibility has render diode laser an enhanced tool for today's clinical practice. The aim of this study is to determine the efficacy and safety of diode laser for the management of white lesions such as oral leukoplakia (OL) and oral lichen planus (OLP). METHODS: The study was conducted by using diode laser 980 nm on 10 patients with white lesions (5 OL and 5 OLP) aged between 35 to 65 years...
2015: Journal of Lasers in Medical Sciences
Sean E V Chung, Bryan Tompson, Siew-Ging Gong
OBJECTIVE: Increasing the rate of orthodontic tooth movement (OTM) can reduce risks such as periodontal disease and caries. TRIAL DESIGN: This split-mouth randomized controlled clinical trial investigated whether light emitting diode (LED) phototherapy could accelerate the rate of OTM. SETTING: The study was conducted at the Graduate Orthodontics Clinic at the University of Toronto, Faculty of Dentistry. PARTICIPANTS AND METHODS: 17 dental arches from 11 orthodontic participants with bilaterally symmetrical extraction of premolars were included...
2015: Journal of Orthodontics
João Alves Dos Reis, Jean Nunes Dos Santos, Brunna Santos Barreto, Patrícia Nascimento de Assis, Paulo Fernando Almeida, Antônio Luiz Barbosa Pinheiro
Osteomyelitis is an inflammation either of medullar spaces or of the surface of cortical bones, which represents a bacterial infection. Photodynamic Antimicrobial Chemotherapy (PACT) is a treatment based on a cytotoxic photochemical reaction that induces a series of metabolic reactions and culminates in bacterial suppression. Such effect led to the idea that it could be used as a treatment of osteomyelitis. Following approval by the Animal Experimentation Committee of the School of Dentistry of the Federal University of Bahia, the present randomized study used eighty Wistar rats with the aim to evaluate, by microbiological and histological analysis, the effects of Photodynamic Antimicrobial Chemotherapy - PACT on tibial surgical bone defects in rats infected by Staphylococcus aureus...
August 2015: Journal of Photochemistry and Photobiology. B, Biology
Neelesh Singh, Ashita Uppoor, Dilip Naik
PURPOSE: Semilunar coronally advanced flap (SCAF) and its modifications or adjuncts have been proposed in the literature for root coverage. Low level laser therapy (LLLT) has been shown to enhance wound healing. The aim of this split-mouth randomized controlled clinical trial was to assess the effects of LLLT application with respect to root coverage after SCAF procedure for the treatment of human maxillary multiple adjacent facial gingival recessions. MATERIALS AND METHODS: Ten subjects with bilateral multiple adjacent maxillary facial gingival recession defects (Miller I and II) were included in this study (20 in test, 20 in control group)...
November 2015: Journal of Esthetic and Restorative Dentistry
Sara Ghadimi, Nasim Chiniforush, Mahsa Najafi, Sepideh Amiri
INTRODUCTION: Epulis granulomatosa is a lesion which grows from an extraction socket. It can be misdiagnosed with lesions of the same clinical appearance such as: foreign body or pyogenic granuloma, or as a herniation of the maxillary sinus. The most common treatment is surgical excision. CASE REPORT: The present article reports an Epulis granulomatosa which was removed with diode laser (810 nm) due to child's fear related to traditional surgical instruments and bleeding...
2015: Journal of Lasers in Medical Sciences
Reza Fekrazad, Hanieh Nokhbatolfoghahaei, Farzaneh Khoei, Katayoun Am Kalhori
INTRODUCTION: Pyogenic granuloma (PG) is a common tumor-like growth of the oral cavity, considered to be of non-neoplastic nature, often caused by constant low-grade trauma as well as poor oral hygiene and maybe due to hormonal disturbances. Surgical excision, and removal of underlying cause in some cases, is the preferred method of treatment as it is only a benign lesion.In order to remove this lesion, scalpel, cryosurgery and laser are used. Currently different lasers, with adequate parameters, are used for the surgery of PG, which include CO2 (Carbon Dioxide Laser), Nd:YAG (Neodymium-Doped Yttrium Aluminium Garnet), Diode and Er Family amongst others...
2014: Journal of Lasers in Medical Sciences
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