1 Oral and Maxillofacial Surgery Department, Princess Royal Hospital, Apley Castle, Telford, Shropshire, TF1 6TF, United Kingdom. Electronic address: jatindermoore@googlemail.com.
2 Oral and Maxillofacial Surgery Department, Princess Royal Hospital, Apley Castle, Telford, Shropshire, TF1 6TF, United Kingdom. Electronic address: grigorem@doctors.org.uk.
3 Oral and Maxillofacial Surgery Department, Princess Royal Hospital, Apley Castle, Telford, Shropshire, TF1 6TF, United Kingdom. Electronic address: Ahmed.Messahel@sath.nhs.uk.