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Quintessence International

Federico Tirone, Stefano Salzano
OBJECTIVE: The mere osseointegration of an implant should no longer be considered a satisfactory criterion for success. Tooth extraction itself and, more importantly, possible local comorbidities such as periodontal or endodontic diseases, cause a reduction in the gingival volume of the edentulous site due to bone atrophy. This reduced volume must be treated and resolved to obtain a satisfactory esthetic result, which is an essential factor for successful implant rehabilitation. The classic approach to this problem relies on bone augmentation procedures...
September 10, 2018: Quintessence International
Fatih Cabbar, Muammer Çağrı Burdurlu, Ceyda Özçakır Tomruk
OBJECTIVES: Dental anxiety may play a central role in the oral health status and treatment outcomes of oral surgical procedures. The study aimed to investigate the effect that brief written information has over patients undergoing oral surgical procedures and to evaluate factors that may cause anxiety. METHOD AND MATERIALS: A prospective study was performed on 38 mandibular third molar surgery patients (mean age 26.74 ± 6.44 years) and 56 implant surgery patients (mean age 49...
April 16, 2018: Quintessence International
Thomas Gerhard Wolf, Gerhard Konrad Seeberger, Angelika Callaway, Benjamín Briseño-Marroquín, Philippe Rusca, Michael Frank, Ernst-Jürgen Otterbach
OBJECTIVE: A trend towards increasingly new forms of dental practice has been observed in the FDI World Dental Federation. Elementary foundations such as the free dentist and therapy choice, and independent, free, self-responsible professional practice may be undermined. The current study is aimed at analyzing the general training framework, organization, and professional types of dental practice in the European Regional Organization (ERO) zone and at critically discussing selected aspects of changes in the dental profession...
February 26, 2018: Quintessence International
Ihsène Taihi, Loredana Radoi
Chronic non-suppurative osteomyelitis (CNSO) is a chronic bone disease and may be associated with a reparative periosteum entity called proliferative periostitis (PP). This condition rarely affects the maxillofacial region. Mandibular cases were already described for an infectious dental cause, often with an "onion skin" radiographic aspect, but some rare reported cases showed no obvious etiology. They represent a challenge for diagnosis because of possible misdiagnosis leading to unsuccessful or inappropriate treatment attempts...
February 12, 2018: Quintessence International
Walter Sutter, Sebastian Berger, Marius Meier, Alexander Kropp, Andrej M Kielbassa, Dritan Turhani
OBJECTIVE: Bone and soft tissue calcifications can often be visualized on panoramic radiographs, thus leading to presumptive diagnoses requiring further examinations. This cross-sectional study determined the prevalence of suspected carotid artery calcifications, tonsilloliths, calcified submandibular lymph nodes, sialoliths of the submandibular glands, and idiopathic osteosclerosis in a Lower Austrian subpopulation. METHOD AND MATERIALS: Digital panoramic radiographs (DPR) taken from 1,042 subjects for other clinical purposes between the years 2013 and 2015 were evaluated, using a standardized template...
January 22, 2018: Quintessence International
Matthias Karl, Tanja Grobecker-Karl
OBJECTIVE: Adaptation of the surgical protocol and implant selection depending on bone quality has been advocated. It was the goal of this in-vitro study to quantify the effect of implant geometry and implant site preparation on micromotion at the implant-bone interface. METHOD AND MATERIALS: A parametric study was conducted with implants differing in shape, length, and diameter placed in polyurethane foam material differing in density and structure following various methods of implant site preparation...
January 22, 2018: Quintessence International
Abhay P Kolte, Rajashri A Kolte, Charu Ahuja
OBJECTIVE: The gingival tissues surrounding the maxillary anterior teeth play a pivotal role in fostering a beautiful smile. The gingival zenith position (GZP) and its spatial orientation in the mesiodistal and apicocoronal direction can provide a valuable reference point. The present study was undertaken to evaluate the GZP and gingival zenith line (GZL) in maxillary anterior teeth in different age groups and genders. METHOD AND MATERIALS: The study population comprised 124 periodontally healthy patients equally divided into 21 to 40 years (Group I) and 41 to 60 years (Group II) age groups and gender distribution...
2018: Quintessence International
Sanjivan Kandasamy, Charles S Greene, Ales Obrez
The concept and application of a temporomandibular joint (TMJ) relationship identified as centric relation (CR) has changed significantly over the past century. Originally proposed as a biologically reasonable position where maxillary and mandibular dentures should occlude, it later was applied to the dentate population as well. The term "ideal" was used by the gnathologic dental community as they sought to define the exact details of CR in terms of condyle-fossa relationships. Assessments of patients' occlusion were then made in relation to CR, and discrepancies between the two positions were described as being problematic...
2018: Quintessence International
Aldo J Camarda, Patrice Milot, Hugo Ciaburro, Pierre H Rompré, Imad Sallaleh, Cao Minh Alexandre Do
OBJECTIVES: An implant with an acid-etched fixture surface and internal-hex collar may achieve greater osseointegration. The goal of this research was to study the effects on long-term bone healing of fixture surface acid-etching and machined collar design. METHOD AND MATERIALS: Three two-part implant types were compared: standard Brånemark (with an external-hex 1.2 mm long machined flat collar), Swede-Vent (a copy of the Brånemark design, with an identical collar but a fixture surface acid-etched to 1 to 3 µm), and Screw-Vent (with a fixture surface acid-etched identically to that of Swede-Vent, but a longer internal-hex machined flat collar that did not require countersinking)...
2018: Quintessence International
Christian Maischberger, Bogna Stawarczyk, Annette von Hajmasy, Anja Liebermann
The purpose of this topic review is to give a general overview of gingival retraction agents used during prosthodontic treatment, and the possible difficulties connected to them that may be faced by the dentist. Hemostatic agents are important for successful gingival retraction and in achieving hemostasis. However, these agents may show numerous negative effects on the prosthodontic treatment and oral tissues of which the practicing dentist must be aware, and which will be elucidated in this review. PubMed and Google Scholar databases were searched for publications up to and including 2017...
2018: Quintessence International
Mel Mupparapu, Chia-Wei Wu, Yu-Cheng Chen
No abstract text is available yet for this article.
2018: Quintessence International
Dana Shoshani-Dror, Dekel Shilo, Jiriys George Ginini, Omri Emodi, Adi Rachmiel
OBJECTIVE: Removal of third molars (3Ms) is one of the most common surgical procedures performed by dental surgeons. 3Ms that are associated with pathologic changes such as infection, nonrestorable caries lesions, cysts, tumors, and destruction of adjacent teeth and bone are under consensus for their removal. However, debate exists regarding the prophylactic removal of asymptomatic impacted 3Ms. This review attempts to establish indications for prophylactic extraction of 3Ms. METHOD AND MATERIALS: Clinical experience and a summary of the literature are presented concerning the effects of retained 3Ms in relation to caries and periodontal disease, dental arch changes and anterior crowding, cysts and other etiologies, mandibular fractures, temporomandibular pain, and aging of bone...
2018: Quintessence International
Eli Eliav
No abstract text is available yet for this article.
2018: Quintessence International
Mahmoud K Al-Omiri, Hanadi A Lamfon, Abdullah A Al Nazeh, Andrej M Kielbassa, Edward Lynch
OBJECTIVE: To evaluate the efficacy of in-office tooth bleaching following application of either ozone (O3) or hydrogen peroxide (H2O2). METHOD AND MATERIALS: 32 participants were randomly distributed into two groups (n = 16 each). Participants' maxillary anterior teeth were treated with ozone (produced via a healOzone X4 device; Curozone) for 60 seconds in Group 1, or with 38% H2O2 for 20 minutes in Group 2. Tooth shades were evaluated by means of a colorimeter (CR-400, Minolta) measuring Vita classic shades in addition to L*a*b* shade values before and following bleaching in each group...
2018: Quintessence International
Hiroyuki Saida, Shunsuke Fukuba, Richard Miron, Yoshinori Shirakata
OBJECTIVE: In this prospective case series, the effects of flapless intentional replantation (IR) with root surface conditioning with enamel matrix derivative (EMD) was evaluated for the treatment of periodontally-endodontally involved hopeless teeth. METHOD AND MATERIALS: A total of 17 teeth (17 patients, aged 40 to 73) with ≥ 10 mm attachment loss and radiographic bone loss to the apex were included in the study. The affected teeth were atraumatically extracted using a flapless approach, then granulation tissues, calculus, and necrotic cementum on the root surfaces were removed...
2018: Quintessence International
Malka Ashkenazi, Dafna Shashua, Salo Kegen, Eyal Nuni, Monty Duggal, Amir Shuster
OBJECTIVE: To present an improved, accurate, and efficient method for planning and preparing an artificial socket for autotransplantation, by using a three-dimensional (3D) surgical guide and a replica of the transplanted donor tooth. The guide and the tooth replica were fabricated using a computerized 3D simulation. A case treated with this approach is presented. METHOD AND MATERIALS: Cone beam computed tomography (CBCT) and computerized 3D simulations (Simplant plus registration as stereolithography) were used for planning the optimal artificial socket position and dimensions, within the limitations of the alveolar bone borders and the adjacent teeth roots, and for producing a metal replica of the transplanted tooth...
2018: Quintessence International
Claudio Stacchi, Povilas Daugela, Federico Berton, Teresa Lombardi, Tautvydas Andriulionis, Giuseppe Perinetti, Roberto Di Lenarda, Gintaras Juodzbalys
OBJECTIVE: Surgical time prediction is an important factor to plan both clinical and organizational aspects of mandibular impacted third molar extraction. Many classifications have been proposed over the years, but their accuracy in surgical time prediction remained questionable. The present study introduced a modification of Juodzbalys and Daugela (JD) classification, and had the aim to validate its effectiveness in predicting the duration of the surgery. METHOD AND MATERIALS: Three centers treated patients needing impacted mandibular third molar extraction, following inclusion and exclusion criteria...
2018: Quintessence International
Sebastian Bürklein, Maren Werneke, Edgar Schäfer
OBJECTIVE: The purpose of this study was to evaluate the impact of glide path preparation on the incidence of dentinal defects after preparation of severely curved canals using ProTaper Next, F6 SkyTaper, and One Shape instruments. METHOD AND MATERIALS: One hundred and forty human mandibular molars with mesiobuccal canals with angles of curvatures ranging between 25 and 35 degrees and radii ranging between 4 and 9 mm were assigned to seven homogenous groups (n = 20 teeth per group)...
2018: Quintessence International
Tina Rödig, Felix Zimmermann, Frank Konietschke, Hans Georg Sydow, Annette Wiegand
OBJECTIVE: This in-vitro study evaluated the antibacterial efficacy of sonic and ultrasonic irrigation with either intermittent or continuous flush in root canals infected with Enterococcus faecalis. METHOD AND MATERIALS: Seventy single-rooted, extracted teeth with straight root canals were prepared with FlexMaster NiTi-instruments, sterilized, inoculated with E faecalis and incubated for 72 hours. Sixty roots were randomly divided into four experimental groups as well as into infection and sterile controls (n = 10 each)...
2018: Quintessence International
Xin Zhang, Wei Liu, Hai Qing, Xibo Pei, Junyu Chen, Jian Wang
OBJECTIVE: Many studies have investigated the effect of implant number on the performance of implant-supported overdentures (ISO), but few have focused on denture movement. This in-vitro study aims to investigate the influence of implant number on the movement of mandibular ISO under biting force. METHOD AND MATERIALS: An edentulous mandibular cast and 12 overdentures (n = 12) were fabricated, and a locator attachment system with blue nylon inserts was chosen for this study...
2018: Quintessence International
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