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Uvod: Zubi koji se pojavljuju u trenutku rođenja zovu se natalni zubi. Najčešći natalni zubi su donji mlečni sekutići.Tačan uzrok nastanka natalnih zuba nije poznat, ali se kao mogući faktori pominju infekcije, trauma, hormonska stimulacije itd.Imajući u vidu da postoji mogućnost aspiracije kao i otežana ishrana bebe, najčešće su indikovani za ekstrakciiju. Prikaz slučaja: Novorođenče staro jedan dan sa zubima u donjoj vilici poslato je na Odeljenje za dečiju stomatologiju u Thumbay u Dubaiju., u Ujedinjenim Arapskim Emiratima. Konstrukcija krunice bila je pričvršćena za desni sa mobilnošću II stepena (Millerova klasifikacija) Školjkasta gleđna struktura natalnih zuba je uklonjena parodontalnom kiretom, obazrivo, da se ne povredi zametak mlečnog sekutića. Vitamin K u dozi od 1 mg dat je IM u anterolateralni predeo butine novorođenčeta dva sata pre hirurškog tretmana.Postoperativni tok protekao je uredno Zaključak: Natalni zubi su retka pojava, međutim, nisu nepoznati kod novorođenčadi,Ekstrakcija je prva opcija tretmana, što je pre moguće, uzimajući u obzir sve komplikacije, uz obaveznu administraciju vitamina K .

Introduction: Xenograft play role in osseointegration of immediate placement dental implant. The study’s objective is to assess the effectiveness of xenograft (Hypro-oss) in radiographically documenting the osseointegration of immediate dental implants. Patients and methods: This study, which involved 8 patients aged 18 to 48, was carried out. divided into two equal groups, 12 immediate dental implants; (Control Group): Immediate placement of a dental implant after atraumatic extraction of a single-rooted tooth or remaining root, (Study Group): Single-rooted teeth in the maxillary arch’s anterior region should be extracted without trauma, and any remaining roots should be immediately replaced with dental implants and sealed with Hypro-Oss bone graft material. Clinical examinations done for all patients prior to surgery include examination of oral and para oral tissues and evaluation the intermaxillary space and the type of occlusion. In order to measure the density of the formed bone between living bone and the implant surface, radio- graphic evaluations using CBCT were performed at intervals of 15, 90, 180, and 270 days after surgery. Result: None of the patients displayed any indications or symptoms of soft tissue pain, tenderness, redness, or inflammation around the implant site. The soft tissue and bone around the implant should heal normally. The follow-up period was continued by all patients. Radiographic evaluation showed significant higher bone density in study group than control group after 15, 90, 180 and 270 days. Conclusion: The bone density around the implant increased when the Hypro-Oss bone graft was used.