The Treatment of Sialolithiasis and Its Source as Focus of Infection. (Zur Behandlung von Steinerkrankungen der Glandula Submaxilaris, such als Quelle von Herdinfek- tionen.) Ernst Miiller. %ts(al,r. Hals- K:wn- 11. Oh~nh. 2: X6, 1951.

Kintiler has demonrt rated that rheun~ati~~ conditions can IW (paused or :tg::r:i vated by chronic sialoadenitis, ;rl~~~ew of the sali\aq- glarltis, and retention uf salivar) stones. The author describes a case to pro\-e these findings. The patient, a 4t(-year-old woman3 had been operated upon for the ren~~~:tl of a submaxillary stone. T\vo monthti later she had cardiac complaints. dizziness, dyapnea, rwrlling of the legs, and a rise in temperature, The electrocardiogram disclowtl damage of the cardiac muscle. .Zt this time the patient also had an inflammatory cuntlition of the sul,maxillary gland at the sit,> of the operation. Since no othctr infectious foczi would be found the gland u’ns excised. l’at.hologic examination showed c~xpnnsion of the excretory duets and a nonspecific* inflan- mation extending into the parenehyma. Aftrr n short inflamnmtor~ condition at the upera tive site the patient promptly improved. 1,:. 1’. s.

PERIODONTIA

The Parodontium of the Female Under the Influence of Specific Sex Hormones. (Das weibliche Parodont unter dem Einfluss geschlechtsspezifischer Hormone.) H. R. Miihlemann. Stoma 5: 3, 19X.

The author reviews the literature dealing with the relation of hormonal disturbances

on the parodontium. He describes changes occurring during the menstrual cycale. during menopause, and during pregnancy.

Specific pregnancy gingivitis he finds is due to a long-continued estrogen influence of high concentration. The collagen prematris of t.he parodontium is loosened, increasing ihe mobility of the tooth. This ir :woeiatrd with vascular proliferations. The :1vticn1 is not arrested 1,~ progesterone, whicah wems to be of srcondary importance. II. II. Il.