A comparative study on colour and surface parameters of current esthetic restorative CAD/CAM materials

Suneel G. Patil; Omveer Singh; Raghavendra Sumanth Phani Challa; Reena Kandyala; Ankit Chaudhari; Anushree Bansal; Sankalp Verma

doi:10.53730/ijhs.v6nS3.5916

Authors

Suneel G. Patil Associate Professor, Department of Dentistry, Karnataka institute of Medical sciences, Hubli, Karnataka
Omveer Singh Senior Lecturer, Department of Public Health Dentistry, Career Dental College and Hospital
Raghavendra Sumanth Phani Challa Faculty, AEGD Program, NYU Langone Health and Staff Dentist, Holyoke health center, 230 Maple Street, Holyoke, Massachusetts, USA. 01040
Reena Kandyala General Dentist, Cortland Dental, Springfield, Massachusetts, USA. 01104
Ankit Chaudhari Assistant Professor, Sudha Rustagi College of Dental sciences and research, Dept of Orthodontics
Anushree Bansal Assistant Professor, Sudha Rustagi College of Dental sciences and research, Dept of Orthodontics
Sankalp Verma
designmypaper@gmail.com
Professor, Muslim minority dental college, Darbhanga, Bihar

Keywords:

CAD-CAM, all ceramic, surface roughness, colour stability

Abstract

With the development of newer technologies, computer aided design and computer aided manufacturing help immensely in designing, planning and creating a dental prosthesis with the precise 3-D printing technology. Recently, patients are at increasing demand for everlasting colour stability of restorations in such a way that it improves the aesthetic appearance of teeth. CAD/CAM systems are developed to assemble all ceramic materials which restores the aesthetic zone, attributing to the aesthetics and its clinical long-term survivability.A well-known fact that the type, thickness, composition, curing protocols, and polishing methods of resin composites influences the colour characteristics of the restorations. 99 all-ceramic samples with both glazed or polished CAD/CAM were taken into study. The samples were assessed for the surface roughness (Ra) and colour change after immersion in hot and coffee drink and then were subjected to thermocycling for about 30 days. Total samples of 99 among which 33 samples were manufactured from Vita Enamic, Vitablocs Mark II, and Vita Suprinity. All the disc were milled uniformly to obtain a standard dimension of 10mm ×10 mm±0.2 diameter and the thickness of the block ranges from 2.0±0.2 mm based on the manufacturer’s instructions using a CAD/CAM machine (Amann Girrbach, Germany) and then glazed.

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