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1 Department of Maxillofacial and Oral Surgery, School of Oral Health Sciences, University of Witwatersrand, Johannesburg, South Africa E-mail: molar@global.co.za.
1 Department of Maxillofacial and Oral Surgery, School of Oral Health Sciences, University of Witwatersrand, Johannesburg, South Africa E-mail: molar@global.co.za.