1. Assessment of factors associated with surgical difficulty in impacted mandibular third molar extraction;Gbotolorun;J Oral Maxillofac Surg,2007
2. Predictive factors of difficulty in lower third molar extraction: a prospective cohort study;Alvira-González;Med Oral Patol Oral Cir Bucal,2017
3. The radiological assessment of ectopic lower third molars;MacGregor,1976
4. Principles of exodontia as applied to the impacted third molar;Winter,1926
5. Impacted mandibular third molars: classification and modified techniques for removal;Pell;Dent Digest,1933