Influence of hemostatic agents upon the outcome of periapical surgery: dressings with anesthetic and vasoconstrictor or aluminum chloride.

Objective: To evaluate the effects of different hemostatic agents upon the outcome of periapical surgery.

Design: A retrospective study was made of patients subjected to periapical surgery between 2006-2009 with the ultrasound technique and using MTA as retrograde filler material. We included patients with a minimum follow-up of 12 months, divided into two groups according to the hemostatic agent used: A) dressings impregnated in anesthetic solution with adrenalin; or B) aluminum chloride paste (Expasyl).

Management and outcome following extraction of 303 supernumerary teeth in pediatric patients.

Purpose: The purpose of this study was to describe the treatment of permanent teeth impacted by supernumerary teeth and their outcome following extraction.

Methods: The study population comprised 200 2- to 14-year-olds.

Results: A total of 303 supernumerary teeth were removed from the 200 patients.

In vitro comparison of cyclic fatigue resistance of ProTaper, WaveOne, and Twisted Files.

Introduction: The aim of this study was to compare the cyclic fatigue resistance of 3 nickel-titanium (NiTi) endodontic instruments from ProTaper, WaveOne (WO), and Twisted Files (TF).

Methods: Cyclic fatigue testing was conducted by operating instruments from ProTaper F2, WO 25 .08, and TF 25 .

Implant periapical lesion: diagnosis and treatment.

The implant periapical lesion is the infectious-inflammatory process of the tissues surrounding the implant apex. It may be caused by different factors: contamination of the implant surface, overheating of bone during drilling, preparation of a longer implant bed than the implant itself, and pre-existing bone disease. Diagnosis is achieved by studying the presence of symptoms and signs such us pain, swelling, suppuration or fistula; in the radiograph an implant periapical radiolucency may appear.

Influence of implant neck design and implant-abutment connection type on peri-implant health. Radiological study.

Objective: To carry out a comparative study of two implants with different neck features and prostheses platform connection (machined with external connection and rough-surfaced with switching platform) upon peri-implant marginal bone loss, before and after functional loading.

Material And Methods: A randomized, prospective radiological study was made. Eighteen totally edentulous patients were selected.

Oral teratomas: a report of 5 cases.

Purpose: To present a case series of 5 patients with oral teratomas, discussing the treatment and follow-up.

Report Of Cases: Five patients (4 girls and 1 boy) with oral teratomas presented at the Maxillofacial Surgery Department of a University Hospital with a reference population of 1,000,000 between 1980 and 2002. The associated lesions, clinical examination, histopathology, treatment and follow-up were registered and described.

Marginal bone loss in relation to platform switching implant insertion depth: An update.

A review is made, analyzing marginal bone loss in relation to the depth of implant insertion with platform switching, according to the position of the neck (supracrestal, crestal or subcrestal), and evaluating survival of the implants. A PubMed search was made of the studies in animals and humans published between 2005 and 2011, specifying platform insertion depth (supracrestal, crestal or subcrestal) and registering marginal bone loss from the time of prosthetic restoration to the end of follow-up (minimum 6 months). A total of 30 studies were included.

Peripheral giant cell granuloma associated with dental implants: clinical case and literature review.

Peripheral giant cell granuloma (PGCG) associated to dental implants is a very infrequent peri-implant soft-tissue complication, with only 11 cases recorded in the literature to date. The present study describes a 54-year-old woman presenting a swelling of the alveolar margin in the fourth quadrant in relation to a fixed prosthesis cemented over implants. Treatment consisted of complete resection of the lesion with implantoplasty of the exposed implant threads.

Comparison of immediate and delayed implants in the maxillary molar region: a retrospective study of 123 implants.

Purpose: The purpose of this study was to compare marginal bone loss and success rates 1 year after implants had been placed in maxillary molar sites, either immediately postextraction or after the extraction sites had healed (delayed).

Materials And Methods: A retrospective case study was made of subjects treated with immediate or delayed dental implants in the maxillary molar region between January 2006 and December 2008. A protocol was prepared in which patient age, sex, implant length and diameter, type of prosthesis, buccal plate width, and use of bone grafting were recorded.

Morphology and dimensions of the dentogingival unit in the altered passive eruption.

Objectives: This study define altered passive eruption (APE) and evaluate the morphology of the dentogingival unit.

Material And Methods: 123 individuals subjected to clinical examination and parallel profile radiography of the upper central incisor. An evaluation was made of the correlation between the clinical diagnosis of APE and the degree of gingival overlap; by using a 19% overlap to define APE (Kappa concordance index=0.

Guided implant surgery with modification of the technique involving the raising of a semicircular miniflap: a preliminary study.

Objective: An evaluation is made of pain, swelling and peri-implant attached mucosal width after implant-based rehabilitation involving guided surgery and a modification of the technique with the raising of a semicircular miniflap, in single and partial replacements.

Study Design: A case-control study was carried out. The study group consisted of 12 patients with the placement of 19 implants using a guided surgery and miniflap technique.

Rehabilitation of reabsorbed maxillae with implants in buttresses in patients with combination syndrome.

Purpose: To assess the success and marginal bone loss, after 1 year of loading, of implants placed in anatomic buttresses of atrophic maxillae to rehabilitate patients with combination syndrome.

Materials And Methods: A case series retrospective study of 22 patients with combination syndrome who were treated with implants in anatomic buttresses in the atrophic maxilla was performed. The inclusion criteria were Classes IV and V Cawood and Howell maxillary atrophy, rehabilitation with implants placed in anatomic buttresses, the presence of anterior remnant teeth in the mandible, and a minimum follow-up of 12 months after implant loading.

A retrospective comparison of 1,022 implants: immediate versus nonimmediate.

Purpose: The aim of this study was to compare the survival of implants placed in mature bone with the survival of implants placed in fresh extraction sockets in the same patients.

Materials And Methods: A retrospective study of patients treated simultaneously with at least one immediate and one nonimmediate implant was carried out for the period 2005 to 2008. Data were recorded for patient age and sex; implant length, diameter, and position; and, for postextraction implants, distance between the implant and the alveolar bone.

Pain and swelling after periapical surgery related to the hemostatic agent used: anesthetic solution with vasoconstrictor or aluminum chloride.

Objective: To assess pain and swelling in the first 7 days after periapical surgery and their relationship with the agent used for bleeding control.

Study Design: A prospective study was conducted between October 2006 and March 2009. Patients subjected to root surgery, who completed the questionnaire and who consented to the postoperative instructions were included in the study.

Oral rehabilitation with tilted dental implants: a metaanalysis.

Objective: To compare the course of patients treated with tilted implants versus those treated conventionally with axial implants, analyzing the success rate and marginal bone loss.

Material And Methods: A PubMed search was made using the key words "tilted implants ", "angled implants ", "angulated implants ", "inclined implants " and "maxillary atrophy. " A review was made of the articles published between 1999-2010.

Bone necrosis around dental implants: A patient treated with oral bisphosphonates, drug holiday and no risk according to serum CTX.

Osteonecrosis of the jaw (ONJ) may appear following certain oral surgery procedures in patients treated with oral bisphosphonates (OB). Guidelines for the treatment of these patients were set out in the American Association of Oral and Maxillofacial Surgeons (AAOMS) Position Paper on Bisphosphonate-Related Osteonecrosis of The Jaws (Position Paper) and Approved by the Board of Trustees in September 2006. For the AAOMS the placement of implants in these patients is not contraindicated.

Osteonecrosis of the jaws in patients treated with bisphosphonates.

The literature describes an increasing presence of bisphosphonate-induced osteonecrosis of the jaws (ONJ), characterized by the exposure for over 8 weeks of necrotic bone in the maxillofacial region, after bisphosphonate therapy, in the absence of prior maxillary radiotherapy. The present literature review examines the etiopathogenesis, risk factors, clinical forms, diagnosis, treatment and prevention of bisphosphonate-induced ONJ. In addition, a review is made of all the series involving over 15 patients diagnosed with this disorder between 1 January 2011 and 15 May 2011.

Implants placed simultaneously with particulated bone graft in patients diagnosed with recessive dystrophic epidermolysis bullosa.

Purpose: To describe the rehabilitation with implants placed simultaneously with particulated bone graft in 4 patients diagnosed with recessive dystrophic epidermolysis bullosa.

Materials And Methods: A retrospective study was conducted of 4 patients diagnosed with recessive dystrophic epidermolysis bullosa and treated with dental implants and simultaneous particulate bone graft from January 2005 to December 2009. All patients had marked oral involvement, with devastating alterations in the soft and hard tissues and were rehabilitated with a fixed prosthesis.

Transcrestal sinus lift and implant placement using the sinus balloon technique.

Objective: A description is made of transcrestal sinus lift using the sinus balloon technique, evaluating the bone height achieved and implant success one year after prosthetic loading.

Material And Method: Between January and July 2007, transcrestal sinus lift using the sinus balloon technique for dental implant placement was carried out in 6 patients. A panoramic X-ray study and maxillary computed tomography scan were carried out before the operation, in order to discard possible sinus pathology.

Osteotomy in direct sinus lift. A comparative study of the rotary technique and ultrasound.

Purpose: The present study investigates sinus membrane rupture in direct maxillary sinus lift with the rotary technique and with ultrasound, examining the survival of implants placed after sinus augmentation, and analyzing the bone gain obtained after the operation and 12 months after placement of the prosthetic restoration.

Materials And Methods: A retrospective study was made of 45 patients requiring maxillary sinus lift or augmentation for implant-prosthetic rehabilitation. Use was made of the handpiece and ostectomy drills for the rotary technique, and of specific tips for ultrasound.

Study of serum CTX in 50 oral surgical patients treated with oral bisphosphonates.

Objectives: To determine whether there is a relationship between the total BP dose administered and the variations in serum CTX concentration.

Study Design: The study included 50 patients requiring dental implant surgery and treated with oral BPs, seen in an Oral Surgery and Implantology Unit between January 2007 and June 2009. The patients were divided into two groups: those in which the medication was not suspended before obtaining the laboratory test sample, and those patients referred from other dental clinics in which BPs was suspended before reporting to our Unit.

Clinical course of patients with episodic cluster headache treated with corticosteroids inproximity to the sphenopalatine ganglion: a preliminary study of 23 patients.

Objective: A study is made of the clinical course of patients with episodic cluster headache following the injection of corticosteroids in the proximity of the sphenopalatine ganglion of the affected side.

Study Design: A retrospective observation study was made corresponding to the period between 2006 and 2010. Patients with episodic cluster headache received corticosteroid infiltrations in the vicinity of the sphenopalatine ganglion.

Intraosseous anesthesia with solution injection controlled by a computerized system versus conventional oral anesthesia: a preliminary study.

Objective: To compare a computerized intraosseous anesthesia system with the conventional oral anesthesia techniques, and analyze the latency and duration of the anesthetic effect and patient preference.

Design: A simple-blind prospective study was made between March 2007 and May 2008. Each patient was subjected to two anesthetic techniques: conventional and intraosseous using the Quicksleeper® system (DHT, Cholet, France).

Side effects and complications of intraosseous anesthesia and conventional oral anesthesia.

Objective: To analyze the side effects and complications following intraosseous anesthesia (IA), comparing them with those of the conventional oral anesthesia techniques.

Material And Method: A simple-blind, prospective clinical study was carried out. Each patient underwent two anesthetic techniques: conventional (local infiltration and locoregional anesthetic block) and intraosseous, for respective dental operations.

Rehabilitation of the atrophic maxilla with tilted implants: review of the literature.

We review the evidence-based literature on the use of tilted implants in the rehabilitation of patients with maxillary atrophy. Studies from 1999 to 2010 on patients with atrophic maxilla rehabilitated with tilted implants were reviewed. Clinical series with at least 10 patients rehabilitated using tilted implants and a follow-up of at least 12 months after prosthetic load were included.