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2. Natural occurrence of cuspid guidance;Scaife;J Prosthet Dent,1969
3. The maintenance system and occlusal dynamics;Roth;Dent Clin North Am,1976
4. Temporomandibular pain-dysfunction and occlusal relationship;Roth;Angle Orthod,1973
5. Functional occlusion for the orthodontist;Roth;J Clin Orthod,1981