Our systems run the plasma-enhanced chemical vapor deposition (PE-CVD) process that creates DLC coatings via a chemical vapor deposition (CVD) process. Our hybrid VT-1500i™ system adds sputtering capability for metal-doped DLC coatings. For example, adding tungsten creates the VaporTech® W-DLC finish.

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DLC coating cost varies greatly depending on whether you use a coating service or bring a DLC coating machine in-house. DLC coating costs approximately $20 per part when using a coating service. This option makes sense if you DLC coat a low volume of parts. However, running your DLC coating machine in-house brings per-part coating costs down, sometimes to less than $1 per part.

The patient was informed about all the aspects of the intervention, and she signed the consensus for the surgical removal of the fibroma. The use of anaesthetic injection and the sutures apposition were avoided; only a topical anaesthetic was applied (EMLA, Astratech, Sweden) and the duration of the intervention was 77 s.

This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial.

Choose the right-sized, right-priced system that deposits functional and durable/decorative coatings to meet your needs.

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Together with wavelengths specific for soft tissues, thanks to Hibst and Keller, since 1990, we can use also the Erbium laser (2940 nm) for decay removal in restorative dentistry[13,14].

Many papers described the advantages for laser-assisted oral surgery as the reduction of the surgical time, the absence of bleeding and consequently the good vision of the surgical site, the possibility to avoid infiltrative anaesthesia and suture with a greater compliance for the patient and the better and faster healing process[7-12].

Although performance DLC coating applications such as engine parts or cutting tools are better-known, decorative DLC coatings are now popular with consumers in products ranging from watches to vehicle trim.

In 1964 Goldman introduced laser technology in dentistry field[1] and, even if several authors in those years described several laser applications in dentistry[2-5], only Frame was the first who showed the absence of biological damage in a laser-assisted surgical intervention with CO2 laser[6].

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Correspondence to: Carlo Fornaini, MD, Micoralis Laboratory EA7354, Faculty of Dentistry, University of Nice, Diables Bleus Avenue, 06357 Nice, France. carlo@fornainident.it

A large area of fibrous connective tissue with some portions of epithelium-connective detachments and a regular incision with very scanty areas of carbonization. A: Fibrous connective tissue without signs of inflammation; B: Regular incision with discrete signs of coagulations.

The patient was instructed on the need to record the intensity of the pain she felt through a visual analogue scale (VAS) and a numerical rating scale (NRS) every day after surgery beginning with the first day after surgery until the re-evaluation we performed seven days after surgery.

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DLC is a semi-transparent coating. Therefore, DLC coating thickness determines the color of the DLC coating. For our standard applications, PVD coatings are thinner than 1 micron. DLC coating thickness is typically ≥1 micron, the point where the coating becomes opaque.

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Supercontinuum source is a device allowing to evaluate laser-tissue interactions, mainly transmission; an “ex vivo” recent study showed that the lowest transmission is in the blue and green portion of visible spectrum and in the infrared portion ranging from 1300 to 1400 nm[17]: These results could justify the utilisation of dental blue laser, considering also the demonstration, by Enwemeka et al[18] , of the of blue light capacity to neutralise some bacterial species also being effective on periodontal biofilm, as shown in several in vitro studies[19-21] as well as in Photodynamic Therapy field on Streptococcus Mutans cultures, as described by Merigo et al[22].

The 450 nm diode laser proved of being very efficient in the oral soft tissue surgical procedures, with no side effects for the patients.

The clinical diagnosis was positive for fibroma, probably related to a lip biting habit. Based on the age of the patient, the anatomical area and the size of the lesion, it was decided to perform a laser-assisted surgery session for the lesion removing, so avoiding the complications related to the conventional surgery, such as the formation of post-operative scars and bleeding[33]. Regarding the choice of the wavelength, in order to limit the thermal elevation and, at the same time, to obtain a good sample for histological observation[34] and to offer the patient the most comfort during the healing process, it was decided to use the blue diode laser (Ermes Blue Diode, Gardalaser, Italy, λ = 450 nm) with this protocol: Power 1W in CW (Continuous Wave) with an optical fiber of 320 μm of diameter in contact mode at a speed of around 5 mm/s (Power density 1244 W/cm2, Total fluence: 95790 J/cm2).

There’s a great deal of variation among brands, but all VaporTech® DLC coating machines give you PVD and DLC coating options at the click of the (recipe) button.

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Many papers described the advantages for laser-assisted oral surgery as the reduction of the surgical time, the absence of bleeding and consequently the good vision of the surgical site, the possibility to avoid infiltrative anaesthesia and suture with a greater compliance for the patient and the better and faster healing process. Blue light has been evaluated for its biomodulatory properties, with laser or LED devices, and for its usefulness in dental bleaching procedures, showing positive effects.

Once we set a recipe, color variations are so slight that the naked eye can’t distinguish within-run and run-to-run variations.

She had a medical history without significant diseases and the oral clinical examination did not reveal any suspicious aspect.

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Blue light has been evaluated also for its biomodulatory properties, with laser or LED devices, showing positive effects[23-26].

VaporTech® coatings enhance your product’s look, functionality, and durability with a rainbow of PVD colors and performance coatings for functional applications.

Core tip: In this work we described a single case consisting of the removal of a lower lip fibroma by means of a blue diode laser (λ = 450 nm), showing its efficacy even at very low power (1W, CW) and allowing us to obtain very high intra and postoperative comfort for the patient, even with just topical anaesthesia and without needing suture. The observed healing process after one week and the complete absence of pain during the follow-up without the consumption of any kind of drugs, such as painkillers and antibiotics, together with the perfect histological readability are very great advantages in favour of this surgical approach.

The patient ML, a thirty-eight years old female, came to our clinic for the examination of a lesion in the margin of the lower lip. She reported that it had been present for a year and, in the last few months, she had noticed an enlargement of its size (Figures 1 and 2). She required the surgical removal for aesthetical reasons.

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Author contributions: Fornaini C performed surgical procedure; all the authors contributed equally to this work: All participated in the acquisition of the data (VAS, NRS, pictures) and also in the redaction of the article.

During the follow-up the patient did not take any drugs, such as painkillers and antibiotics, did not reveal any sign of oedema and/or infection and reported that she did not feel any form of pain (VAS and NRS were 0 in every record), discomfort or other problems.

From the histological point of view, the sample removed shows significantly fewer zones of carbonization, so as avoiding the risk of the impossibility of not being able to make a correct diagnosis of the lesion. This technique may be considered a good approach in oral soft tissues surgery.

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DLC can coat most conductive metals. Substrate hardness and surface finish influence the durability of the coating. For hardness, a good analogy is ice on water: the chance of breakthrough decreases as the ice (i.e., hard coating) thickens over the softer water (i.e., substrate). Alternatively, as the substrate hardens, so does the “composite hardness” of the substrate and coating. This result applies to all thin films, including DLC coating and conventional PVD finishes. The base material strongly influences durability and varies with the end-use.

Today, in addition to lasers working in infrared spectrum, for oral surgery we can use wavelengths working in the visible spectrum as Argon laser (435 nm) useful in oral surgery but also in restorative dental field, and KTP laser (532 nm) well working in oral surgery thanks to its characteristics at low parameters and with a good bleeding control[14-16].

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Unlike color PVD coatings, DLC coatings come in shades rather than colors, ranging from grays to gorgeous dark graphite. Customers deposit dark black finishes via a PVD rather than a DLC coating process, but consumers love the look of black DLC coating. Darker DLC coatings are as durable as metallic PVD coatings and retain a low coefficient of friction.

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Interesting case report of the use of blue diode laser for the removal of oral and intraoral soft tissue benign tumors. The case report is well written with a comprehensive description of the application of the blue diode laser.

CW or continuous wave is a working mode of laser devices. VAS or visual analogue scale and NRS or numerical rating scale are two methods to evaluate the discomfort or pain felt by the patient in the intra and postoperative period.

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The efficacy of this device, even at very low power (1W, CW), allows us to obtain very high intra and postoperative comfort for the patient, even with just topical anaesthesia and without needing suture. The healing process was completed in one week and, during the follow-up, the patient did not report any problems, pain or discomfort even without the consumption of any kind of drugs, such as painkillers and antibiotics. The histological examination performed by the pathologist showed a large area of fibrous connective tissue with some portions of epithelium-connective detachments and a regular incision with very scanty areas of carbonization.

Actually there are still no works describing the utilisation of this wavelength in oral surgery. The purpose of this paper was to demonstrate the advantages of this wavelength in oral soft tissue surgery.

The healing process was completed in seven days. A: Surgical site seven days after surgery; B: Appearence of the lip seven days after surgery with a complete recovering of aesthetic aspect.

Typical DLC coating temperatures range from 100-250 C. Our DLC coating machines run in the 150-200 C range. Above those temperatures, the DLC coating may not form properly. The DLC coating thickness required to achieve opaque finishes makes maintaining part temperatures <125C challenging.

VaporTech® coatings enhance your product’s look, functionality, and durability with a rainbow of PVD colors and performance coatings for functional applications.

This report confirms the advantages of the utilization of 450 nm laser in oral surgery, showing undeniable benefits for its use at very low power. During the operative session it allows for the reduction of the time of the intervention, the avoidance of the anaesthetic injection and the control of the tissue bleeding. From the patient’s comfort point of view, it allows us to minimize the pain and avoid the use of suture. During the follow-up, the use of drugs is not requested, and pain, discomfort, oedema and infection are not present. The healing process is very fast and was completed in a week without side effects.

DLC coating is excellent at coating exterior product surfaces, and some internal dimensions can be coated. But DLC has limitations and can’t be used to coat deep recesses like the inside of tubes.

This report confirms the advantages of the utilization of 450 nm laser in oral surgery, showing undeniable benefits for its use at very low power. During the operative session it allows for the reduction of the time of the intervention, the avoidance of the anaesthetic injection and the control of the tissue bleeding. From the patient’s comfort point of view, it allows us to minimize the pain and avoid the use of suture. During the follow-up, the use of drugs is not requested, and pain, discomfort, oedema and infection are not present. The healing process is very fast and was completed in a week without side effects. From the histological point of view, the sample removed shows significantly fewer zones of carbonization, so as avoiding the risk of the impossibility of not being able to make a correct diagnosis of the lesion.

Both the site and the sample removed did not evidence any sign of carbonization (Figure 4) and the healing process was completed in seven days (Figure 5).

DLC means diamond-like carbon coatings. Decorative DLC coating means applying these durable, aesthetically pleasing coatings for durable-decorative use rather than their more common use for performance coatings.

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It listed more than 400 classical Fresnel lighthouse lenses in the United States, and two pre-Fresnel, Winslow Lewis lenses.

Even if blue laser was previously proposed in dentistry field for composite resin polymerization, while argon laser showed its efficacy, diode lasers apparently are not proposed as useful for this use[27-31].

Lately, the combined treatment with blue laser and titanium oxide has been indicated for teeth whitening, but there are still no works describing the utilisation of this wavelength in oral surgery[32].

Choose the right-sized, right-priced system that deposits functional and durable/decorative coatings to meet your needs.

The histological evaluation of the sample, performed by the pathologist, showed a large area of fibrous connective tissue with some portions of epithelium-connective detachments and a regular incision with very scanty areas of carbonization (Figure 6).

PVD coating comes in a wide range of natural metallic and other colors. DLC coating is limited to grays and blacks, providing the distinct DLC coating look consumers love. DLC coating must also be deposited at a somewhat higher thickness as it is a semi-transparent coating at thinner deposition levels.