GINGIVAL TISSUE MANAGEMENT – UTILIZING DIODE LASER FOR GINGIVAL TROUGHING

Introduction: The process of preparing the gingival tissue before taking impressions of teeth that have been prepared to receive a dental prosthesis is known as gingival troughing. The effectiveness of fixed restorative dentistry depends on how well the restorations fit. Periodontal problems, including as persistent gingivitis, and recurrent cavities are prone to develop over time when the restoration does not meet the prepared margins. The primary objective of the gingival troughing method is to expose the sub-gingival finish line while maintaining sufficient moisture control to capture the finish line features in the impression. Treatment modalities: For gingival retraction, mechanical and chemical treatments have been used. For many years, retraction cords and pastes have been marketed to aid with sulcus dilatation, exposing the finish line for the best possible impression. These techniques are dependent on the technique. Retraction cord or paste removal may cause hemorrhagic tissue to bleed again, making it impossible for the impression material to completely encapsulate the preparation margins. As the preparation margin is positioned more into the sulcus (sub-gingival), the situation is more troubling. However, since they provide sufficient retraction and hemostasis, require less operating time, and improve patient comfort, lasers may be utilized in place of traditional retraction procedures. In order to enable precise finish line recording in this instance, the non-initiated laser fiber tip was passed 1 mm into the gingival sulcus in non-contact mode after tooth preparation. The wavelength of the laser was 980 nm. The patient, the surgical team, and the support personnel all followed every safety precaution, including donning laser safety goggles. When using lasers, highly reflective instruments were avoided. Dr. Kurtzman used 810 nm in 2017, Almut Marx used 980 nm in 2013, and Kamar Afendi et al. used dual wavelengths of 810 nm and 980 nm in 2020 for gingival troughing. These studies suggested that the use of diode lasers helps manage soft tissue during impression making and is a useful tool during the fabrication of precise fixed prostheses. The argument for the use of lasers is that they have high hemostasis, patient comfort, and less operating times and collateral heat production. When diode lasers are used for retraction instead of retraction cords, the recession surrounding natural teeth is less pronounced. Additionally, studies have shown an increase in gingival marginal health and a decrease in germs at the treatment location. In conclusion, diode lasers are a superior and more acceptable option for gingival troughing, especially given the good clinical result. citation: Almut Marx. International Magazine of Laser Dentistry, 2013, 30-31. Use of Diode Lasers for Gingival Troughing in Conservative and Prosthetic Dentistry. Kurtzman GM and Agarwal TM improved scanning and impressions using laser troughing. dent in the present. Jan. 2017;36(1):122–5. Hassan mz, Rahimi sn, Ahmad r, Vahidi f, and Kamar affendi nh. an example series on the incorporation of a dual-wavelength super pulsed diode laser for reliable tissue ablation in the esthetic zone. case rep dent. vol. 2020, Dec. 3, 2020.

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