1932 E. H. Mauk in C. R. Turner & L. P. Anthony Amer. Textbk. Prosthetic Dentistry (ed. 6) iii. 133 Dr. J. Ewell Neal..makes special reference to the notch or groove in the bone posterior to the tuberosity on each side where the quantity and character of the soft tissue are such as to tolerate, without injury, more ‘post-dam’ than was usually employed.

1953 H. R. B. Fenn et al. Clin. Dental Prosthetics x. 277 Indirectly the post-dam seal influences phonation, for if it is inadequate the denture may become unseated during the formation of those sounds having an explosive effect.

1976 R. M. Basker et al. Prosthetic Treatm. Edentulous Patient ix. 110 This projection, the post-dam, compresses the palatal mucosa once the denture is placed in the mouth and thus creates a border seal.

1993 Brit. Dental Jrnl. 174 278 The post-dam was prescribed by the dentist in only 16% of the 50 trial dentures inspected.

1910 J. W. Greene Clin. Course Dental Prosthesis 47 We must have a way to post-dam, in such cases, without the patient's help.

1910 J. W. Greene Clin. Course Dental Prosthesis 50 After you post-dammed its [sc. the impression's] rear end, it drops.

1945 F. W. Craddock Prosthetic Dentistry iii. 56 Finally, the upper impression is post-dammed with a further addition of softened wax or compound across the posterior palatal edge.

1910 J. W. Greene Clin. Course Dental Prosthesis 50 You over-strained the palate in post-damming.

1953 H. R. B. Fenn et al. Clin. Dental Prosthetics v. 115 Post-damming is a means of increasing pressure over an area in order, either to control an impression material, or to improve peripheral seal.

1972 Egyptian Dental Jrnl. 18 245 (title) A new approach for determining the posterior limit of the upper denture for post-damming.