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1. Donaldson KJ (2012) Fundamentals of fixed prosthodontics, fourth edition. Br Dent J 213: 427.
3. Davies SJ (2007) Malocclusion – a term in need of dropping or redefinition? Br Dent J 202: 519-20.
2. Gallico M (1988) Concise illustrated dental dictionary. J Dent 16: 165.