Crown lengthening (CL) is a surgical treatment that allows the clinician to rebuild the tooth by extending the supragingival tooth structure. Surgical crown lengthening can make it easier to restore worn teeth. It improves the look and makes dental preparation easier. The amount of height that can be gained by surgery may be limited by anatomical factors. Lasers are the greatest option for crown lengthening because they offer precision, faster wound healing, less discomfort, and superior aesthetics. To attain satisfactory results, cases suggested for crown lengthening in the aesthetic zone require unique considerations. The employment of appropriate diagnostic methods, surgical and restorative criteria, and lasers increases the procedure's certainity and achievement. This review article will go through different aspects of crown lengthening, surgical crown lengthening methods, indications and contraindications, role of orthodontics in crown lengthening as a multidisciplinary approach, and prosthesis placement of margings for prosthetic cases. The functional and aesthetic requirements of laser aided crown lengthening, as well as surgical vs laser assisted crown lengthening methods, are discussed in this article.

Keywords : Crown lengthening, Biological width , Laser assisted-crown lengthening , Laser vs surgery.