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Mucosa thickness AND implant AND bone

Chiara D'Elia, Nicola Baldini, Edoardo Ferrari Cagidiaco, Giacomo Nofri, Cecilia Goracci, Massimo de Sanctis
The purpose of the present study was to compare two different surgical procedures, connective tissue graft and guided bone regeneration, when applied in conjunction with implant placement. Probing pocket depth and the recession depth were recorded at the implant site after crown placement (T₁) and at the 1-year follow-up (T₂), while the keratinized tissue height and the buccal mucosa thickness were recorded at three different time points: at the time of implant surgery (T₀), after crown placement, and at the 1-year follow-up...
May 2017: International Journal of Periodontics & Restorative Dentistry
Luigi Canullo, Fabio Camacho-Alonso, Marco Tallarico, Silvio Mario Meloni, Erta Xhanari, David Penarrocha-Oltra
PURPOSE: To correlate soft tissue thickness and peri-implant bone remodeling of platform-switching implants. MATERIALS AND METHODS: This comparative prospective trial evaluated, for up to 3 years after implant loading, the influence of soft tissue thickness on changes in peri-implant marginal hard tissue levels. Any patient who was partially edentate in the mandible and required at least two adjacent implant-supported restorations was recruited at the University of Valencia in Spain...
March 15, 2017: International Journal of Oral & Maxillofacial Implants
Fernando Verdugo, Agurne Uribarri, Antonio D'Addona
BACKGROUND: Mucosal recession (MR) and bone loss can compromise anterior implant esthetics. PURPOSE: To evaluate tissue stability and clinical outcomes of anterior implants augmented with autogenous block transplants long-term. MATERIALS AND METHODS: This prospective cross-sectional clinical study analyzed facial tissue recession of anterior implants augmented with autogenous bone blocks and compared them to adjacent teeth in forty patients 52 months post-augmentation...
February 10, 2017: Clinical Implant Dentistry and related Research
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
Minoru Sanda, Makoto Shiota, Chiharu Imakita, Aoi Sakuyama, Shohei Kasugai, Yasunori Sumi
PURPOSE: Optical coherence tomography (OCT) has been investigated as a novel diagnostic imaging tool. The utilisation of this equipment has been evaluated through several studies in the field of dentistry. The aim of this preliminary study was to determine through basic experiments the effectiveness of OCT in implant dentistry. MATERIALS AND METHODS: To assess detection ability, we captured OCT images of implants in each of the following situations: (1) implants covered with mucosae of various thicknesses that were harvested from the mandibles of pigs; (2) implants installed in the mandibles of pigs; and (3) implants with abutments and crowns fixed with temporary cement...
September 2016: Imaging Science in 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
Tomonori Waki, Joseph Y K Kan
Immediate implant placement and provisionalization in the esthetic zone have been documented with success. The benefit of immediate implant placement and provisionalization is the preservation of papillary mucosa. However, in cases with osseous defects presenting on the facial bony plate, immediate implant placement procedures have resulted in facial gingival recession. Subepithelial connective tissue grafts for immediate implant placement and provisionalization procedures have been reported with a good esthetic outcome...
2016: International Journal of Esthetic Dentistry
Pragathi Raghavendra Bhat, Srinath Lakshman Thakur, Sudhindra Sushilendra Kulkarni
BACKGROUND: The peri-implant mucosa undergoes surgical and bacterial assaults in various stages of implant therapy, however, the literature on changes occurring in the peri-implant mucosa is minimal. This study was thus conducted to evaluate the change in the peri-implant mucosal thickness and its effect on the marginal bone levels around dental implants treated in a conventional two-stage implant therapy. MATERIALS AND METHODS: A total of 36 implants were placed in 22 subjects...
November 2015: Journal of Indian Society of Periodontology
Barry P Levin
With immediate implant placement and provisionalization (IIP) in the esthetic zone, measures to counter hard and soft tissue loss are frequently necessary. To reduce the morbidity associated with bone and connective tissue procurement, various exogenous materials are utilized. The "Dermal Apron Technique" presented in this article demonstrates the use of a composite bone particulate (allograft/xenograft) plus a dermal allograft, adapted around screw-retained temporary crowns and secured within a subperiosteal pouch...
January 2016: Journal of Esthetic and Restorative Dentistry
Prabhati Gupta, Suhail Majid Jan, Roobal Behal, Reyaz Ahmad Mir, Munaza Shafi
BACKGROUND: The palatal masticatory mucosa is the main donor area of soft tissue and connective tissue grafts used for increasing the keratinized mucosa around teeth and implants, covering exposed roots and increasing localized alveolar ridge thickness. The aim of this study was to compare the thickness of the palatal masticatory mucosa as determined on a cone-beam computerized tomography scan versus thickness determined via bone-sounding. MATERIALS AND METHODS: A total of 20 patients requiring palatal surgery participated...
July 2015: Journal of Indian Society of Periodontology
Goran I Benic, Daniel S Thoma, Fernando Muñoz, Ignacio Sanz Martin, Ronald E Jung, Christoph H F Hämmerle
AIM: To test whether an equine bone substitute block used for guided bone regeneration (GBR) of peri-implant defects renders different results from bovine block or particulated bone substitutes regarding the dimensions of the augmented ridge and the amount of new bone. MATERIAL AND METHODS: Mandibular premolars and molars were extracted in eight dogs. After 4 months, four semi-saddle bone defects were created in each mandible and one titanium implant was inserted into every site...
May 2016: Clinical Oral Implants Research
Ulrike Kuchler, Vivianne Chappuis, Reinhard Gruber, Niklaus P Lang, Giovanni E Salvi
AIM: To associate the dimension of the facial bone wall with clinical, radiological, and patient-centered outcomes at least 10 years after immediate implant placement with simultaneous guided bone regeneration in a retrospective study. MATERIAL AND METHODS: Primary endpoint was the distance from the implant shoulder (IS) to the first bone-to-implant contact (IS-BIC10y ). Secondary endpoints included the facial bone thickness (BT10y ) 2, 4, and 6 mm apical to the IS, and the implant position...
February 2016: Clinical Oral Implants Research
Alessandro Pozzi, Marco Tallarico, Peter K Moy
PURPOSE: The study aims to evaluate clinically the thickness of the alveolar ridge mucosa underneath a zirconia implant-supported restoration with a modified ovate pontic. MATERIALS AND METHODS: Sixty-five patients, 32 women and 33 men (mean age: 65.5 years; range 38-81), were included. A total of 383 implants (303 in the maxilla; 80 in the mandible), supporting 81 full or partial fixed dental prostheses (65 in the maxilla; 16 in the mandible), were either cement- or screw-retained...
October 2015: Clinical Implant Dentistry and related Research
Ramón Sieira Gil, Carles Martí Pagés, Eloy García Díez, Sara Llames, Ada Ferrer Fuertes, Jesús Lopez Vilagran
PURPOSE: Many types of soft tissue grafts have been used for grafting or prelaminating bone flaps for intraoral lining reconstruction. The best results are achieved when prelaminating free flaps with mucosal grafts. We suggest a new approach to obtain keratinized mucosa over a fibula flap using full-thickness, engineered, autologous oral mucosa. PATIENTS AND METHODS: We report on a pilot study for grafting fibula flaps for mandibular and maxilla reconstruction with full-thickness tissue-engineered autologous oral mucosa...
January 2015: Journal of Oral and Maxillofacial Surgery
A Scarano, A Piattelli, G Iezzi, G Varvara
AIM: A variety of surgical techniques have been developed to reconstruct the posterior maxilla when bone volume is insufficient. For some decades, sinus augmentation, using various bone substitutes, has been used to reconstruct the posterior maxilla for dental implant placement. Even if new bone formation is achieved in the sinus after bone grafting, the possibility of new bone formation with only a membrane elevation in the maxillary sinus has been reported in human and animal studies...
October 2014: Minerva Stomatologica
Hsiang-yun Huang, Yumi Ogata, James Hanley, Matthew Finkelman, Yong Hur
BACKGROUND: There is limited evidence on the crestal bone level changes around implants placed in bone augmented by guided bone regeneration (GBR) during submerged healing. The purpose of this study was to prospectively compare radiographic crestal bone changes around implants placed in augmented bone with changes around implants placed in pristine bone. MATERIALS AND METHODS: Patients receiving dental implants in the augmented or pristine mandibular posterior edentulous ridge were included in the study...
February 2016: Clinical Oral Implants Research
Elise G Zuiderveld, Laurens den Hartog, Arjan Vissink, Gerry M Raghoebar, Henny J A Meijer
This study assessed whether buccopalatal implant position, biotype, platform switching, and pre-implant bone augmentation affects the level of the midbuccal mucosa (MBM). Ninety patients with a single-tooth implant in the esthetic zone were included. The level of the MBM was measured on photographs taken 1 year after crown placement. The factors analyzed only explained 22% of the level of the MBM. The more an implant was placed to the buccal, the more the MBM was positioned apically. A comparable phenomenon was observed in cases with a thick biotype and cases that underwent pre-implant bone augmentation...
September 2014: International Journal of Prosthodontics
Hossein Behnia, Mohammad Jafarian, Nima Dehghani, Siavash Dehghani, Kaveh Seyedan
Arteriovenous malformations (AVMs) of the maxilla are rare and potentially life-threatening conditions that can pose a therapeutic dilemma. We reported the first case of maxillary AVM in a 15-year-old girl who was treated by marginal hemimaxillectomy including overlying palatal mucosa and immediate replantation of the segment after removing the AVM tissues and teeth and covering by a full-thickness pedicled temporal muscle flap rotated into the mouth. Then, this preserved bone underwent distraction osteogenesis and dental implant rehabilitation successfully...
September 2014: Journal of Craniofacial Surgery
Marco Esposito, Gioacchino Cannizzaro, Carlo Barausse, Ferdinando Cosci, Elisa Soardi, Pietro Felice
PURPOSE: To compare the effectiveness of two different techniques to lift the maxillary sinus via a crestal approach: the Summers versus the Cosci technique. MATERIALS AND METHODS: Fifteen partially edentulous patients missing bilaterally maxillary molars and/ or premolars, having 4 to 7 mm of residual crestal height and at least 5 mm thickness below the maxillary sinuses measured on CT scans, were randomised to have implants placed in sinuses crestally lifted according to the Cosci or the Summers techniques, with bone substitutes according to a split-mouth design...
2014: European Journal of Oral Implantology
Eberhard Frisch, Petra Ratka-Krüger, Dirk Ziebolz
Sufficient soft-tissue coverage of maxillary implant sites may be difficult to achieve, especially after bone augmentation. The use of vestibular flaps moves keratinized mucosa (KM) toward the palate and may be disadvantageous for future peri-implant tissue stability. This study describes a new split palatal bridge flap (SPBF) that achieves tension-free wound closure and increases the KM width in maxillary implant areas. We began SPBF surgery with a horizontal incision in the palatal soft tissue to create a split-thickness flap...
October 2015: Journal of Oral Implantology
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