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Soft tissue thickness AND implant bone

Renzo Guarnieri, Luca Savio, Alessandro Bermonds des Ambrois, Stefano Ippoliti, Francesco Zuffetti, Luigi Vito Stefanelli, Stefano Di Carlo, Giorgio Pompa
PURPOSE: The aim of this study was to evaluate the possible factors that influenced the periimplant soft tissue changes around single implants-abutments with laser-microtextured surface (LMS) in the esthetic zone. MATERIALS AND METHODS: Thirty-nine units, formed by implant-abutment with LMS were studied. Variables possibly associated with the periimplant soft tissue changes were obtained from clinical measurements (plaque [present/absent], periimplant biotype [thin/thick], and probing depth); intrasurgical measurements (vertical height in millimeters of the keratinized gingiva in the vestibular part of the implant site vestibular keratinized gingiva [VKG], implant vestibular crestal exposition, vestibular crestal level, and vestibular bone width); cast models (implant position [buccal/palatal], implant abutments angle); periapical radiographs (distance from the contact point to the interproximal bone crest of the adjacent tooth [CP-BC], distance from the contact point to the implant platform [CP-P], distance from the contact point to the first bone to implant contact [CP-IB]); and digital clinical photographs...
December 2016: Implant Dentistry
Julia Hehn, Thomas Schwenk, Markus Striegel, Markus Schlee
BACKGROUND: Previous studies have shown that adequate thickness or initial augmentation of soft tissue has a positive effect on the stability of peri-implant bone. This randomized, controlled trial aimed to evaluate the influence of augmenting soft tissue with platelet-rich fibrin (PRF) on crestal bone and soft tissue around implants. METHODS: After randomization, 31 fully threaded titanium implants were inserted in 31 patients (16 men and 15 women) in the lower mandible using a split-flap technique...
December 2016: International Journal of Implant Dentistry
Daniel S Thoma, Nadja Naenni, Goran I Benic, Christoph H F Hämmerle, Ronald E Jung
AIM: To test whether or not soft tissue augmentation with a collagen matrix (VCMX) leads to a similar increase in ridge width around dental implants compared to the use of an autogenous subepithelial connective tissue graft (SCTG). MATERIALS AND METHODS: In 12 dogs, immediate dental implants were placed with simultaneous guided bone regeneration. Three months later, soft tissue volume augmentation was performed by randomly allocating three treatment modalities to these sites (VCMX, SCTG, sham-operated group (control))...
October 7, 2016: Journal of Clinical Periodontology
I-Han Chiang, Chia-Chun Wu, Shyi-Gen Chen, Chih-Hsin Wang
Soft tissue defects exposing the patellar tendon or bone are common in patients who have experienced trauma or implant infection. The purpose of this article is to present our experience of six patients who underwent reconstruction of soft tissue defects of the knee using a pedicled medial sural perforator flap. Between November 2013 and November 2015, six patients who presented with a soft tissue defect overlying the knee were admitted to our hospital. After adequate debridement or wide excision of the tumour, these patients underwent pedicled medial sural perforator flap placement to resurface the complex soft tissue defects and to provide a gliding surface for the exposed patellar tendon...
October 3, 2016: International Wound Journal
Dean Vafiadis, Gary Goldstein, David Garber, Anthony Lambrakos, Bj Kowalski
OBJECTIVE: Preserving soft and hard tissues after extraction and implant placement is crucial for anterior esthetics. This technique will show how the information gathered from a cone-beam computed tomography (CBCT) scan of the maxillary left central incisor and an intra-oral digital impression can be merged to fabricate a CAD/CAM crown-root matrix to be used as an immediate provisional restoration that mimics the natural anatomy. CLINICAL CONSIDERATIONS: Due to trauma, a left central incisor appeared to be fractured and was scheduled for extraction and implant placement...
September 27, 2016: Journal of Esthetic and Restorative Dentistry
José Luis Calvo-Guirado, José E Maté-Sánchez de Val, Rafael Arcesio Delgado-Ruiz, Manuel Fernández Domínguez, Paulo Henrique Orlato Rossetti, Sergio A Gehrke
OBJECTIVE: The aim of this study was to evaluate a new design of the cervical portion of dental implant with the objective to increase the volume of peri-implant tissues in the crestal area. MATERIALS AND METHODS: Forty-eight tapered dental titanium implants with internal conical connection were implanted in healed alveolar sites of six dogs. Twenty-four conventional implants design (C1 implant) formed the control group, and 24 new implant design (V3 implant) formed the test group...
September 5, 2016: Clinical Oral Implants Research
José Luis Calvo Guirado, Miguel Troiano, P J López-López, María Piedad Ramírez-Fernandez, José Eduardo Maté Sánchez de Val, Jose Manuel Granero Marin, Sergio Alexandre Gehrke
The aim of this study was to evaluate the influence of the residual root and peri implant bone dimensions on the clinical success of the socket shield technique. Thirty-six dental implants were installed in 6 dogs. The clinical crowns of teeth P3, P4 and M1 were beheaded. Afterwards, the roots were worn down 2-3mm in apical direction until they were located at crestal level. Posterior implant beds were prepared in the center of the roots passing by 3mm apically forming 6 groups in accordance to the remaining root thickness...
August 24, 2016: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
Martina Stefanini, Pietro Felice, Claudio Mazzotti, Matteo Marzadori, Enrico F Gherlone, Giovanni Zucchelli
The aim of the present case series study was to evaluate the short- and long-term (3 years) soft tissue stability of a surgical technique combining transmucosal implant placement with submarginal connective tissue graft (CTG) in an area of shallow buccal bone dehiscence. A sample of 20 patients were treated by positioning a transmucosal implant in an intercalated edentulous area. A CTG sutured to the inner aspect of the buccal flap was used to cover the shallow buccal bone dehiscence. Clinical evaluations were made at 6 months (T₁) and 1 (T₂) and 3 (T₃) years after the surgery...
September 2016: International Journal of Periodontics & Restorative Dentistry
Mohammed Jasim Al-Juboori
PURPOSE: The objective of this study was to compare the reliability and results of 2 flap techniques, flapless (FL) and full-thickness (FT) flap, during implant placement. MATERIALS AND METHODS: Online and hand searches of the literature published were conducted to identify studies examining different flap techniques on clinical and histological outcomes. The search terms used, alone or in combination, were "flapless," "full-thickness flap," "crestal bone resorption," "gingival blood circulation," and "biological width...
December 2016: Implant Dentistry
Hai-yu Shao, Jun Zhang, Di Yang, Jin-ping Chen, Ya-zeng Huang
OBJECTIVE: To compare clinical efficacy of Zero-profile implant for anterior cervical discectomy and fusion and conventional titanium plate with cage internal fixation for the treatment of single segmental cervical intervertebral disc herniation. METHODS: From August 2011 to March 2014, clinical data of 139 patients with single cervical disc herniation treated with anterior cervical discectomy and interbody fusion with internal fixation were retrospectively analyzed...
June 2016: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
M Andreasi Bassi, C Andrisani, M A Lopez, R M Gaudio, L Lombardo, D Lauritano
The aim of this case series was to evaluate the clinical outcome of preformed titanium foil (PTF) to perform guided bone regeneration (GBR) in posterior mandibular atrophies. Thirteen patients (4 male; 9 female; mean age 58.85±10.16 years), with class II division C atrophy, according to Misch, were selected to perform GBR by means of PTF, using a moldable allograft paste as graft material. The devices, made of a 0.2mm thick pure titanium foil, were pre-shaped using stereolithographic models obtained from CT-scan of the patients’ recipient sites...
April 2016: Journal of Biological Regulators and Homeostatic Agents
Himanshu Arora, Saso Ivanovski
OBJECTIVES: This study evaluated the correlation between pre-operative buccal cortical bone thickness and peri-implant tissue response following immediate placement and restoration of implants in the maxillary aesthetic zone. MATERIAL AND METHODS: Eighteen patients (3 males, 15 females) with an age range of 19-57 years requiring the replacement of a single maxillary anterior tooth were included in this prospective study. Patients were selected on the basis of defined criteria: intact socket walls, absence of any acute infection in the sockets, absence of any gingival marginal pathology and attainment of a high primary stability (≥30 Ncm) at implant placement...
July 29, 2016: Clinical Oral Implants Research
Aliye Akcalı, Anna Trullenque-Eriksson, Chuanming Sun, Aviva Petrie, Luigi Nibali, Nikolaos Donos
OBJECTIVES: The aim of this systematic review was to determine whether soft tissue biotype at implant placement has an influence on crestal bone loss (CBL) at 1 year after implant loading. MATERIAL AND METHODS: Following electronic search in three databases (MEDLINE via OVID, EMBASE and The Cochrane Database) and hand search up to April 2015, two reviewers screened independently and in duplicate the references to identify randomized controlled trials, controlled clinical trials (CCTs) and prospective case series eligible for systematic review and meta-analysis...
July 19, 2016: Clinical Oral Implants Research
J Malmström, J Anderud, P Abrahamsson, D-Å Wälivaara, S G Isaksson, E Adolfsson
Guided bone regeneration (GBR) describes the use of membranes to regenerate bony defects. A membrane for GBR needs to be biocompatible, cell-occlusive, non-toxic, and mouldable, and possess space-maintaining properties including stability. The purpose of this pilot study was to describe a new method of GBR using individualized ceramic sheets to perfect bone regeneration prior to implant placement; bone regeneration was assessed using traditional histology and three-dimensional (3D) volumetric changes in the bone and soft tissue...
October 2016: International Journal of Oral and Maxillofacial Surgery
Marino Caroprese, Niklaus P Lang, Fabio Rossi, Sara Ricci, Riccardo Favero, Daniele Botticelli
OBJECTIVE: To study the early sequential stages of tissue composition in the cortical and marrow compartments of the alveolar bone crest at implants with a moderately rough surface. MATERIALS AND METHODS: Three month after tooth extraction in 12 Labrador dogs, full-thickness flaps were elevated in the edentulous region of the right side of the mandible and one implant was installed. The flaps were sutured to allow a fully submerged healing. The timing of the installations in the left side of the mandible and of sacrifices were scheduled in such a way to obtained biopsies representing the healing after 5, 10, 20, and 30 days...
June 28, 2016: Clinical Oral Implants Research
Thomas Hanser, Fouad Khoury
This study evaluated volume stability after alveolar ridge contouring with free connective tissue grafts at implant placement in single-tooth gaps. A total of 52 single-tooth gaps with labial volume deficiencies in the maxilla (incisors, canines, and premolars) were consecutively treated with implants and concomitant free palatal connective tissue grafts in 46 patients between 2006 and 2009. Implants had to be covered with at least 2 mm peri-implant local bone after insertion. At implant placement, a free connective tissue graft from the palate was fixed inside a labial split-thickness flap to form an existing concave buccal alveolar ridge contour due to tissue volume deficiency into a convex shape...
July 2016: International Journal of Periodontics & Restorative Dentistry
Paul Weigl, Antonio Strangio
AIM: The purpose of this literature review is to systematically evaluate the impact of immediate implant placement and restoration (IIPR) on hard and soft tissues and to identify clinical parameters which influence the outcome. MATERIALS AND METHODS: An electronic search of the PubMed database was performed from January 2000 to September 2015. A further hand search was conducted in selected journals and only abstracts published in English were considered for review...
2016: European Journal of Oral Implantology
Bach Le, Ali Borzabadi-Farahani, Brady Nielsen
PURPOSE: Soft tissue augmentation procedures are often performed to correct gingival recession on the facial aspects of implants in the esthetic zone. This retrospective clinical case series reports on the use of guided bone regeneration (GBR) and a coronal advancement flap with a resorbable membrane and allograft. MATERIALS AND METHODS: We analyzed the records of 14 patients (7 men and 7 women) with a mean age of 36.78 years (SD, 13.9 years) who were treated for soft tissue recessions around implant-supported restorations in the maxillary central or lateral incisor location...
August 2016: Journal of Oral and Maxillofacial Surgery
Jan Cosyn, Aryan Eghbali, Alexander Hermans, Stijn Vervaeke, Hugo De Bruyn, Roberto Cleymaet
AIM: There is a paucity of long-term data on soft tissue aesthetics of single immediate implants. The objective of this study was to evaluate the 5-year clinical and aesthetic outcome of this treatment concept. MATERIALS AND METHODS: Twenty-two periodontally healthy patients (12 men, 10 women; mean age 50) with low risk for aesthetic complications (thick gingival biotype, intact buccal bone wall, both neighbouring teeth present) were consecutively treated with a single immediate implant in the aesthetic zone (15-25)...
August 2016: Journal of Clinical Periodontology
Iman Abd-Elwahab Radi, Nesrin Elmahrouky
STATEMENT OF PROBLEM: The use of soft liners as female receptacles for ball attachments retaining immediately loaded implant overdenture has been recommended to enhance osseointegration and provide a shock absorbing effect. However, which liner and which thickness is still unclear. PURPOSE: The purpose of this finite element analysis (FEA) study was to evaluate the effect of a 2- and 4-mm thickness of thermoplastic resin (TRL) and silicone-based liners (SBL) on the displacement and stresses transmitted to immediately loaded implants retaining a mandibular overdenture...
September 2016: Journal of Prosthetic Dentistry
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