Contra Lateral SGT (Supracrestal Gingival Tissue) Measurements as a Guide Before Crown Lengthening Procedure Shah Monali A Dr.*, Professor and P.G. Guide, Rathod Chaitali V Dr.**, P.G. Student * Department of Periodontics and Implantology, K. M. Shah Dental College & Hospital, Sumandeep Vidyapeeth, Vadodara ** Department of Periodontics and Implantology, K. M. Shah Dental College & Hospital, Sumandeep Vidyapeeth, Vadodara. Abstract Background: The principles of biologic width have been widely discussed in the literature and used as clinical guidelines during the evaluation of periodontal, restorative, and prosthetic interrelationships. Classic studies determined that sufficient bone should be resected to permit 3.0 mm of sound tooth structure above the crest of bone to house the supracrestal fibers, junctional epithelium, and gingival sulcus during crown lengthening procedure. The purpose of this study is to measure and compare contra laterally the dimensions of SGT in healthy human periodontium. Material and method: Participants aged between 17 to 34 years with clinically healthy periodontium were selected. The study had been conducted on 240 teeth. 4 Maxillary teeth had been equally divided between left and right and second premolars and first molars (15,16 & 25,26). SGT (Supracrestal Gingival Tissue) measurements were carried out using UNC-15 probe. Probing had been performed at four sites on each tooth (Disto buccal [DB], Center buccal [CB], Mesio buccal [MB], Center lingual [CL]) for a total of 960 sites. Contra lateral data for each participant had been collected on the same day by co-investigator. Result: When SGT measurements were compared contralaterally in the same patient, the percentage of identical measurements for the second premolar ranged from 86% to 53% in male students and 76% to 63% in female; for molars, it varied from 76% to 53% in male and 63% to 50% in Female. The highest percentage of identical measurements was observed in men on maxillary second premolars at the DB site (86%). Conclusion: Within the limitations of this study, we should review standard 3.0 mm of bone removal for crown-lengthening procedures. Contra lateral SGT measurements prior to crown lengthening or restorative procedures may help determine the amount of bone removal or tooth preparation into the sulcus. Top Keywords Supracrestal Gingival Tissue, Biological width, Junctional epithelium, Crown lengthening procedure. Top |