Diode Laser-assisted Periodontal Esthetic Therapy
At a Glance
Section titled âAt a Glanceâ| Metadata | Details |
|---|---|
| Publication Date | 2015-01-01 |
| Journal | International Journal of Laser Dentistry |
| Authors | Burnice NK Chellathurai, S. K. V. Jayakumar, CS Krishnan, A.R. Yusuf Ahammed |
| Institutions | Ragas Dental College & Hospital |
| Analysis | Full AI Review Included |
Technical Documentation and Analysis: Diode Laser-assisted Periodontal Esthetic Therapy
Section titled âTechnical Documentation and Analysis: Diode Laser-assisted Periodontal Esthetic TherapyâExecutive Summary
Section titled âExecutive SummaryâThis analysis focuses on the application of 810 nm diode lasers for soft tissue periodontal esthetic therapy (gingival depigmentation). The successful implementation of this procedure relies on stable, high-power laser systems, which require advanced thermal management solutions provided by 6CCVDâs MPCVD diamond materials.
- Core Achievement: The research confirms the efficacy of 810 nm diode laser irradiation (0.8 W power, 0.4 mm fiber) for precise, bloodless gingival depigmentation and gingivoplasty.
- Mechanism: Diode laser energy is highly absorbed by chromophores (melanin, hemoglobin), enabling thermal vaporization and simultaneous coagulation, leading to rapid, comfortable healing.
- Critical Requirement: Maintaining the stability and efficiency of the 810 nm semiconductor laser source necessitates materials with ultra-high thermal conductivity.
- 6CCVD Value Proposition: We supply high-purity Single Crystal Diamond (SCD) and Polycrystalline Diamond (PCD) plates, which are essential as heat spreaders and optical windows for high-power diode laser stacks used in medical devices.
- Customization: 6CCVD offers custom dimensions (up to 125mm PCD), precise thickness control (0.1”m to 500”m), and integrated metalization (Au, Pt, Ti) required for robust laser module packaging and bonding.
- Technical Advantage: Utilizing MPCVD diamond ensures optimal thermal dissipation, preventing wavelength drift and power degradation in continuous-wave (CW) or high-duty-cycle medical laser applications.
Technical Specifications
Section titled âTechnical SpecificationsâThe following hard data points were extracted from the case report regarding the laser system and procedure parameters:
| Parameter | Value | Unit | Context |
|---|---|---|---|
| Laser Type | Diode Laser (Semiconductor) | N/A | Ideal soft tissue handpiece |
| Wavelength (λ) | 810 | nm | Near-infrared region |
| Output Power | 0.8 | W | Used for lasing/vaporization |
| Optical Fiber Diameter | 0.4 | mm | Thin flexible light guide |
| Target Chromophores | Melanin, Hemoglobin | N/A | High absorption for targeted tissue removal |
| Procedure | Gingivoplasty / Depigmentation | N/A | Periodontal esthetic therapy |
| Healing Time (Reported) | 1 | week | Uneventful wound healing |
| Laser Mechanism | Thermal Vaporization | N/A | Eliminates bacterial flora and necrotized tissues |
Key Methodologies
Section titled âKey MethodologiesâThe following steps outline the critical parameters and procedures used in the diode laser-assisted periodontal therapy:
- Anesthesia and Preparation: Gingivoplasty was designed and carried out under local anesthesia.
- Laser Initiation: The fiber optic tip was âinitiatedâ using black articulating tape (Accufilm II, Parkell). This step is crucial for pinpointing laser energy emission to the end portion of the fiber.
- Power Setting: The diode laser was set at the lowest possible setting (0.8 W).
- Fiber Insertion and Orientation: The 0.4 mm optical fiber tip was inserted, keeping the fiber perpendicular to the root surface.
- Lasing Technique: The fiber was passed in both vertical and horizontal directions to cover the epithelial surface and connective tissues.
- Endpoint Determination: Lasing duration (exposure time in seconds) corresponded to the depth (mm). Therapy was terminated upon the onset of light bleeding.
- Postoperative Care: Patients were instructed to avoid certain foods and smoking for 24 hours, and to rinse with warm salt water for 3 days.
6CCVD Solutions & Capabilities
Section titled â6CCVD Solutions & CapabilitiesâThe performance and longevity of the 810 nm diode laser system described in this paper are directly dependent on the quality of its internal thermal management and optical components. 6CCVD provides the enabling MPCVD diamond materials necessary to meet the stringent demands of medical-grade laser systems.
Applicable Materials for Laser Module Integration
Section titled âApplicable Materials for Laser Module IntegrationâHigh-power diode lasers require diamond for two primary functions: thermal management (heat sinks) and optical output coupling (windows).
| Application | 6CCVD Material Recommendation | Key Specification | Rationale for Selection |
|---|---|---|---|
| Thermal Management | High-Purity Polycrystalline Diamond (PCD) | Plates up to 125mm; Thickness 100”m - 500”m | Superior thermal conductivity (> 1800 W/mK) for large-area heat spreading beneath laser diode arrays. |
| High-Power Heat Sinks | Optical Grade Single Crystal Diamond (SCD) | Thickness 100”m - 500”m; Ra < 1 nm polishing | Used for critical laser bars and submounts where ultra-low thermal resistance is required. |
| Optical Windows/Lenses | Optical Grade SCD | Low absorption at 810 nm; Ra < 1 nm polishing | Ensures maximum transmission and minimal thermal lensing, maintaining beam quality and power stability. |
| Boron Doped Components | Heavy Boron Doped Diamond (BDD) | Custom dimensions and doping levels | Potential use as high-stability electrodes or sensors within advanced medical devices. |
Customization Potential for Medical Device Engineers
Section titled âCustomization Potential for Medical Device Engineersâ6CCVDâs specialized capabilities ensure that laser manufacturers can source diamond components tailored precisely to their module design requirements.
- Custom Dimensions: We provide SCD and PCD plates/wafers in custom sizes, including inch-size PCD wafers up to 125mm diameter, allowing for high-volume manufacturing of heat spreaders.
- Precision Thickness Control: SCD and PCD can be manufactured and processed to thicknesses ranging from 0.1”m to 500”m, critical for optimizing thermal resistance in laser stacks.
- Advanced Metalization: We offer in-house deposition of standard metal stacks (e.g., Ti/Pt/Au, Ti/W/Au, Cu) necessary for eutectic bonding of laser diodes to the diamond heat sink, ensuring robust electrical and thermal contact.
- Ultra-Low Roughness Polishing: Our SCD surfaces achieve Ra < 1 nm, and inch-size PCD achieves Ra < 5 nm, which is essential for minimizing optical scatter and maximizing thermal contact area.
Engineering Support
Section titled âEngineering SupportâThe successful integration of high-power diode lasers into medical devices, such as the system used for periodontal esthetic therapy, requires expert material selection.
6CCVDâs in-house PhD team specializes in optimizing diamond material properties (thermal conductivity, optical transmission, surface finish) for demanding applications. We can assist engineers in selecting the optimal SCD or PCD grade, thickness, and metalization scheme to ensure maximum efficiency and lifetime for similar Medical Diode Laser projects.
For custom specifications or material consultation, visit 6ccvd.com or contact our engineering team directly.
View Original Abstract
The diode laser has become an important dental armamentarium because of its exceptional ease of use and affordability.The lasers have many advantages with regard to periodontal treatment.For all soft tissue procedures, the diode laser functions as the handpiece, just like a dental handpiece for all hard tissue procedures.The main advantages of the diode laser for soft tissue applications are precise surgical procedure, bloodless surgery, sterilization of the surgical site, least possible swelling and scarring, negligible suturing, and practically no pain during and after surgery.In cosmetic dentistry, providing a desirable smile is one of the main concerns.Hyperpigmentation is one of the esthetic concerns especially in patients with black and discolored gums.Gingival depigmentation can be performed by means of surgical blade, electrosurgery, coarse diamond bur, cryosurgery, or lasers.Bearing in mind the advantages of lasers over other modalities of treatment, the present article will target on the management of such a case using diode lasers.