Does surgically assisted rapid maxillary expansion associated with pterygomaxillary disjunction result in changes in mandibular position? A PROSPERO-compliant systematic review of the literature.

Purpose: This study aimed to assess the effect of surgically assisted rapid maxillary expansion (SARME) associated with pterygomaxillary disjunction (PD) on mandibular positioning.

Materials And Methods: A two-phase systematic review registered with the PROSPERO database was performed. Search strategies were developed for specific databases (PubMed, Scopus, Web of Science, COCHRANE, LILACS, and DOSS), including the gray literature (Open Gray, Google Scholar, and ProQuest).

Effects of Pterygomaxillary Separation on Skeletal and Dental Changes After Surgically Assisted Rapid Maxillary Expansion: A Single-Center, Double-Blind, Randomized Clinical Trial.

Purpose: Surgically assisted rapid maxillary expansion (SARME) is a procedure routinely performed to correct transverse maxillary deformities and can be performed with or without pterygomaxillary disjunction (PD). The aim of the present study was to measure the effect of the amount of expansion and stability of SARME with or without PD.

Patients And Methods: We designed and implemented a double-blind, randomized clinical trial.

The use of Le Fort I Approach in the resection of an extensive ossifying fibroma.

Introduction: Ossifying fibroma (OF) is a well-defined benign neoplasm characterized by slow growth and predilection for the posterior mandible site, usually treated by conservative surgical approaches. In this context, Le Fort I Approach (LFIA) has been increasingly used providing good visualization and an easy access to the lesion. It also allows removal of the lesion quickly.

Histomorphometric assessment of bone necrosis produced by two cryosurgery protocols using liquid nitrogen: an experimental study on rat femurs.

Objective: The aim of this study was to evaluate the effects of liquid nitrogen cryosurgery on the femoral diaphysis of rats.

Material And Methods: The femoral diaphyses of 42 Wistar rats were exposed to three local and sequential applications of liquid nitrogen for 1 or 2 min, intercalated with periods of 5 min of passive thawing. The animals were sacrificed after 1, 2, 4 and 12 weeks and the specimens obtained were processed and analyzed histomorphometrically.

Worldwide incidence of odontogenic tumors.

Purpose: The objective of the study was to determine the relative frequency of odontogenic tumors (OTs) in the world population, directing an epidemiologic profile to these lesions.

Methods: Was conducted a search in epidemiologic studies involving OTs that are listed by PubMed and Ovid, EMBASE, and Cochrane Library, embracing the period from January 1960 to January 2010, to verify their incidence worldwide. We identified 195 articles, of which 19 articles were selected, considering the location, age, sex, histologic type, and World Health Organization classification.

Maxillary cementoblastoma in a child.

Cementoblastoma is a rare benign tumor that almost always occurs in the premolar or molar region and more commonly in the mandible than in the maxilla. We present a unique incisor maxillary cementoblastoma in an 11-year-old child not previously described. To our knowledge, only 2 maxillary cases, both related to canine teeth, were described in the international literature.

Assessment of the oral and maxillofacial surgery service in a teaching hospital in Brazil.

Objective: The purpose of this study was to determine an epidemiologic profile of the patients hospitalized and/or operated on by an oral and maxillofacial surgery service in Brazil.

Materials And Methods: A retrospective and descriptive epidemiologic survey of the Oral and Maxillofacial Surgery Service from Saint Lucas Hospital at the Pontifical Catholic University, Porto Alegre, Brazil, from January 2000 to December 2005, was performed. Data related to the number, sex, age, service year, as well as surgical modalities performed, instituted treatments, and length of stay, were collected from the hospital's handbooks.