Comparing Narrow and Standard Diameter Titanium-Zirconium Implants for Single Molar Tooth Replacement in a Three-Year Randomized Clinical Trial

What this Trial Is About

Researchers are comparing narrow diameter titanium-zirconium TiZr dental implants 3.3 mm to standard diameter TiZr implants 4.5 mm for replacing single missing molar teeth. This study aims to evaluate the clinical and radiographic outcomes of these implants, focusing on factors such as implant survival, peri-implant tissue health, and biological complications. The trial also investigates how the restorative emergence angle and implant-abutment connection influence implant stability and tissue levels in high-load molar areas. Participants will receive either a narrow or standard diameter TiZr implant to support a screw-retained monolithic zirconia crown in a molar site. The study monitors the effects of prosthetic platform width, emergence angle, and a new TorcFit implant-abutment connection, which may distribute stress better and resist torque. This randomized controlled trial runs over three years, assessing outcomes at multiple timepoints including three, twelve months, and annually thereafter. During the study, participants will undergo clinical exams, radiographic imaging, and measurements of peri-implant mucosal recession, implant stability, bone levels, keratinized tissue dimensions, and prosthetic success. Follow-up visits occur at baseline, three months, twelve months, and annually up to three years. Researchers will assess implant survival rates and biological complications while carefully tracking participant compliance and oral hygiene. The total participation spans three years with detailed monitoring throughout.

Single Implant Crowns Supported by Narrow or Standard Diameter Implants in Molar Sites