Implants placed into alveoli with periapical lesions: an experimental study in dogs.

Oral and Maxillofacial Surgery
Massimiliano ReaDaniele Botticelli

Abstract

To histologically analyze the effect of a curettage of the granulation tissue on healing at implants installed immediately after the extraction of teeth presenting periapical lesions. In seven dogs, the dental pulp was removed from the pulp chamber and from the root canals of the right and left third and the fourth mandibular premolars and of the left second premolar. The chambers were left opened and, after 3 months, apical lesions were present, and the premolars were extracted. One alveolus each premolar was selected and, before implant installation, the apical lesions of two alveoli were curetted (curettage group) while the other three were not treated (no-treatment group). The second right premolar was also extracted (Negative control group). Six implants each dog were installed, and a fully submerged healing was allowed. Four months after, biopsies were collected, and histological analyses were performed. The proportions of new bone at the entire body of the implant was 70.2 ± 10.7% at the no-treatment group, 72.1 ± 14.8% at the curettage group, and 69.6 ± 3.7% at the negative control group. The respective new bone proportion at the apical aspect of the implants was 68.4 ± 17.5%, 61.5 ± 27.3%, and 78.1 ± 5.7%. None of the ...Continue Reading

References

May 19, 2001·Clinical Implant Dentistry and Related Research·G PolizziB Lithner
Sep 17, 2005·Clinical Oral Implants Research·Marc QuirynenDaniel van Steenberghe
Feb 20, 2007·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Nardy CasapRephael Zeltser
Aug 30, 2008·Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics·Seok-Woo ChangSeung-Beom Kye
Dec 2, 2008·Clinical Oral Implants Research·Daniele BotticelliTord Berglundh
Mar 3, 2010·Journal of Periodontology·Jonathan A WaasdorpMartine Mandracchia
Jan 3, 2013·Journal of Clinical Periodontology·David LefeverMarc Quirynen
Jul 3, 2013·Clinical Implant Dentistry and Related Research·Bruno Ramos ChrcanovicAnn Wennerberg
Apr 30, 2016·Clinical Implant Dentistry and Related Research·Roberto CrespiEnrico Gherlone
May 24, 2016·Clinical Oral Implants Research·Daniele Botticelli, Niklaus P Lang
Jul 27, 2017·Clinical Implant Dentistry and Related Research·Francesco ZuffettiTiziano Testori
Aug 8, 2020·Journal of Oral & Maxillofacial Research·Aza Saijeva, Gintaras Juodzbalys

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