1. Coolidge ED. Truamatic and functional Injuries occurring in the supporting tissues on human teeth. J Am Dent Assoc. 1938;25:243.
2. Gottlieb B. Orban B tissue changes in experimental traumatic occlusion with special reference to age and constitution. J Den Res. 1931;11:505.
3. Bhaskar SN, Orban B. Experimental occlusal trauma. J Periodontal. 1955;26:270.
4. Newman, Takei, Carranza. Caranza’s clinical periodontology. 9th ed. Amsterdam: Elsevier; 2011. p. 372.
5. Okeson J. Bell’s orofacial pains. 5th ed. Carol Stream: Quintessence Co; 1995. p. 143.