Avtor/Urednik     Pavlica, Z; Nemec, A; Pogačnik, A; Petelin, M
Naslov     Vpliv parodontalne bolezni na patohistološka dogajanja v zobni pulpi pri psu
Prevedeni naslov     Histological changes in the dental pulp of dogs with periodontal diseases
Tip     članek
Vir     Zobozdrav Vestn
Vol. in št.     Letnik 59, št. 4-5
Leto izdaje     2004
Obseg     str. 105-14
Jezik     slo
Abstrakt     Background: Advanced periodontal disease leads to destruction of periodontal tissues, whereby dental roots become exposed to influences of the oral environment. In dogs, bacteria from an inflammed periodontal ligament are less likely to gain entry to the dental pulp than in man because of early obliteration of apical canals and a smaller number of lateral canals. The aim of our study was to evaluate the status of the dental pulp in dogs with advanced periodontal disease. Material and methods: The histological features of the dental pulp were studied in 22 teeth extracted because of advanced periodontal disease from nine Yorkshire terriers aged 6 to 14 years. The teeth were routinely processed and stained for the analysis. Results: None of the examined teeth contained normal pulp tissue. Degenerative changes were evident in 13.6% of cases. In 18.2%, the pulp contained an increased number of inflammatory cells, which did not form infiltrates, and margination of polymorphonuclears was evident in the blood vessels. Pulpitis was found in 27.3% of cases and pulp necrosis in 40.9%. External root resorption was present in a half of the teeth. Conclusion: Advanced periodontal disease may have adverse effects on the dental pulp in dogs. The histological changes observed in our study could be related to bacterial contamination, mobility and non-physiological loading of the affected teeth.
Izvleček     Izhodišče: Zaradi razgradnje obzobnih tkiv so zobne korenine izpostavljene vplivom ustne votline. Verjetnost prehoda bakterij iz prizadete pozobnice v zobno pulpo je pri psu manjša kakor pri človeku zaradi zgodnje obliteracije kanalčkov vršička korenine In majhnega števila stranskih kanalov. Namen raziskave je bil ugotoviti stanje zobne pulpe pri različno izraženi napredovali parodontalni bolezni pri psu. Material in metode: Preučevali smo histološke značilnosti zobne pulpe 22 zob 6-14 let starih psov pasme jorkširski terier, ki jim je bilo potrebno zobe izdreti zaradi napredovale parodontalne bolezni. Zobe smo za svetlobno mikroskopsko analizo pripravili na ustaljen način. Rezultati: Pri izdrtih zobeh nismo v nobenem primeru ugotovili intaktne zobne pulpe. V 13,6% primerov so bile v pulpi degenerativne spremembe, v 18,2% je bilo v pulpi povečano število vnetnih celic, vendar ne v obliki infiltrata, opazna je bila marginacija polimorfonuklearnih celic v žilah. V 27,3% je bila pulpa vneta, v 40,9% pa nekrotična. Polovica zob je imela zunanje resorpcije. Zaključek: Napredovala parodontalna bolezen verjetno vpliva na pojav bolezenskih sprememb v zobni pulpi pri psu. Pri tem je poleg možne bakterijske okužbe zobne pulpe kot vzročni dejavnik potrebno upoštevati majavost in nefiziološko obremenjenost zob.
Deskriptorji     DENTAL PULP EXPOSURE
PERIODONTAL INDEX
PULPITIS
DENTAL PULP NECROSIS
PERIODONTAL DISEASES
DOGS