Evaluation and comparison of dimensional stability of four interocclusal recording materials commonly available in India-An In-Vitro Study Dr. Basavanna Jayaprakash Mugur1,*, Dr. Kaur Gurpreet2, Dr. Jujare Ravikanth H3, Dr. Varghese Rana K4 1Professor & Head, Department of Prosthodontics & Implantology, Government Dental Institute, Rajendra Institute of Medical Sciences, Ranchi-834009 2Reader, Department of Prosthodontics, Saraswati Dental College, Lucknow, Uttar Pradesh 3Associate Professor, Faculty of Dentistry, MAHSA University, Kuala Lumpur, Malaysia 4Dean and Professor & Head Department of Conservative Dentisty & Endodontics, New Horizon Dental College, Bilaspur, Chhattisgarh *Address for Corresspondance: -Dr. Jayaprakash Mugur Basavanna Professor & Head, Department of Prosthodontics & Implantology, Government Dental Institute, Rajendra Institute of Medical Sciences, Ranchi
Online published on 31 August, 2018. Abstract Introduction An interocclusal record is a precise recording of a maxillo-mandibular position. Interocclusal recording materials are used to record the patient's maxillomandibular relationship in correct position. The dimensional stability of interocclusal recording materials is of utmost importance. But several materials are available commercially. Various studies have shown controversy over interocclusal recording material of choice. Aim The study was conducted to evaluate and compare the dimensional stability of four commonly used interocclusal recording materials after one hour. Materials and method Poly vinyl siloxane, polyether, zinc oxide eugenol and eugenol free zinc oxide were poured on a steel die of internal diameter of 3cm and the dimensional stability was measured using travelling microscope after 1hour and the data obtained were statistically analyzed. Results Eugenol free zinc oxide proved to be dimensionally stable with mean values of 2.487 after 1hour of time interval which was followed by polyether, polyvinyl siloxane and zinc oxide eugenol. Conclusion Eugenol-free zinc-oxide paste was the most dimensionally stable interocclusal recording material as compared to polyether, polyvinyl siloxane and zinc oxide eugenol exhibiting no statistically significant difference between die scribes and those of the samples. Top Keywords Interocclusal recording materials, Dimensional stability, Bite registration. Top |