An Index to Assess Surgical Difficulty of Impacted Wisdom Teeth
An interesting article titled “Development of a New Index to Assess the Difficulty Level of Surgical Removal of Impacted Mandibular Third Molars in an Asian Population,” written by Zhang et al. appears in the 2019 edition of the Journal of Oral and Maxillofacial Surgery. The article discusses development of an index to determine the surgical difficulty of impacted lower wisdom teeth. The authors discuss how historically the Pell and Gregory classification and the Winter classification provide a simple judgment on the difficulty level of tooth extraction. They also discuss the Pederson scoring system which assesses the difficulty of extracting impacted wisdom teeth using three factors using the position of the wisdom tooth, the relative depth, and the relation with the ramus. The Pederson scoring system calculates a score from 3 to 10 based on these three factors and then assigns … Read more