. Diseases of the nose and throat . Fig. 67.—The temporary or milk Teeth 2 lower middle incisors, 6- 8 months. 4 upper incisors, 8-10 months. 2 lower lateral incisors, 12 months. 4 canine, 14-20 months. 4 first molars, 12-14 months. 4 second molars, 20-36 months. Permanent Teeth Middle incisors, 7 th year Lateral incisors, 8th year Canines, nth year First bicuspids, 9th year Second bicuspids, 10th year 33^ DISEASES OF THE NOSE AND THROAT First (or six year) molars, 6th year. Second (or twelve year) molars, 12th year. Third molars (or wisdom teeth), i7th-2 5th Fig. 68.—Th
. Diseases of the nose and throat . Fig. 67.—The temporary or milk Teeth 2 lower middle incisors, 6- 8 months. 4 upper incisors, 8-10 months. 2 lower lateral incisors, 12 months. 4 canine, 14-20 months. 4 first molars, 12-14 months. 4 second molars, 20-36 months. Permanent Teeth Middle incisors, 7 th year Lateral incisors, 8th year Canines, nth year First bicuspids, 9th year Second bicuspids, 10th year 33^ DISEASES OF THE NOSE AND THROAT First (or six year) molars, 6th year. Second (or twelve year) molars, 12th year. Third molars (or wisdom teeth), i7th-2 5th Fig. 68.—The permanent teeth. EPULIS This is a red, moderately soft tumor which grows from theperiosteum between two teeth or from the socket of anextracted tooth. It resembles granulation tissue in ap-pearance, but if not treated it slowly extends along and intothe alveolus. Its structure is that of a spindle celled sar-coma, and it must be classed as a mildly malignant should be entirely removed and the bone thoroughlycuretted, and any recurrence immediately treated in thesame way. It can generally be eradicated without much difficulty. CLEFT PALATE The roof of the mouth is developed laterally, and the twohalves unite early in embryonic life to form the hard and THE MOUTH AND TONGUE 337 soft palate. This union may fail to take place for a longeror shorter distance at either end. At the posterior endthe cleft may extend through the uvula only, resulting in abifid uvula. It may split the soft palate partially or whollyin two, and it may extend into or through the hard pala
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectnose, bookyear1915
