Healing After Endodontic Microsurgery Using a Rotary Bur Versus Piezoelectric Unit for Osteotomy and Root Resection

Overview

The goal of this clinical trial is to compare bone healing after using apical tooth microsurgery to remove root end infection, either by use of rotary burs for cutting bone and root end, or by use of piezoelectric surgery for the same procedures. The main questions it aims to answer are: * Is there a difference in bone healing and reformation between the two surgical procedures ? * Is there a difference in bone healing between cutting the bone with a rotary bur and cutting the bone with the 'bone window' technique that uses piezoelectric unit ?

The aim of this study is to prospectively compare postsurgical healing after the use of microsurgical technique to eliminate apical pathology, either by use of rotary burs for osteotomy and root resection, or by use of piezoelectric surgery for the same clinical procedures. Null hypothesis is that there is no difference in healing and buccal bone thickness reformation between the two surgical procedures Another purpose of the study is to prospectively evaluate healing after the application of a novel buccal bone preservation technique, called the 'bone window' technique. The technique will be applied in a subgroup of patients on maxillary and mandibular premolar and molar teeth with an intact buccal cortical bone and healing and buccal bone reformation will be assessed at follow up. Null hypothesis in this part, is that there is no difference in healing and buccal bone preservation between osteotomy with a bur and the 'bone window' technique.

Conditions