. The teeth in health and disease . Fig. 34. Figs. 33 and 34 show the same mouth aftertreatment extending over a period of twoyears. The successful result here shown could only THE STRUCTURE OF THE TEETH 67 be obtained where the dentists efforts areseconded by a thorough co-operation on thepart of the patient. The Structure of the Teeth. The structure and composition of the teethpresent many points of interest, and help toenlighten us in acquiring a knowledge necessaryto promote their welfare. The portion of thetooth visible as it occupies its natural positionin the mouth is known as the crown


. The teeth in health and disease . Fig. 34. Figs. 33 and 34 show the same mouth aftertreatment extending over a period of twoyears. The successful result here shown could only THE STRUCTURE OF THE TEETH 67 be obtained where the dentists efforts areseconded by a thorough co-operation on thepart of the patient. The Structure of the Teeth. The structure and composition of the teethpresent many points of interest, and help toenlighten us in acquiring a knowledge necessaryto promote their welfare. The portion of thetooth visible as it occupies its natural positionin the mouth is known as the crown; thatportion concealed by the gum is known as theroot, while the line at which the gum firstcomes in contact with the tooth is called theneck. The roots of the teeth are fixed insockets of thin bone, which are formed simul-taneously with them, and are known as alveoli,and by which they are firmly embraced. Thebulk of the tooth is built up of an ivory-likesubstance known as dentine. The crown iscovered and protected by a thin layer


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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherlondo, bookyear1902