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Papers by franck bonnet

Research paper thumbnail of Efficacy of a collagen matrix for soft tissue augmentation after implant placement compared to connective tissue grafts: A multicenter, noninferiority, randomized controlled trial

Clinical Oral Implants Research

Research paper thumbnail of Avaliação estética do tecido mole peri-implantar após colocação imediata e provisionalização de implante unitário na maxila anterior

THE INTERNATIONAL JOURNAL OF ESTHETIC DENTISTRY, 2019

We consider a discrete time semi-Markov process where the characteristics defining the process de... more We consider a discrete time semi-Markov process where the characteristics defining the process depend on a small perturbation parameter. It is assumed that the state space consists of one finite communicating class of states and, in addition, one absorbing state. Our main object of interest is the asymptotic behaviour of the joint probabilities of the position of the semi-Markov process and the event of non-absorption as time tends to infinity and the perturbation parameter tends to zero. The main result gives exponential expansions of these probabilities together with an recursive algorithm for computing the coefficients in the expansions.

Research paper thumbnail of Mechanical strength and fracture point of a dental implant under certification conditions: A numerical approach by finite element analysis

The Journal of Prosthetic Dentistry, 2017

According to the World Health Organization, caries and periodontal diseases are the main causes o... more According to the World Health Organization, caries and periodontal diseases are the main causes of tooth loss. 1 Worldwide, between 15% and 20% of the population between 35 and 44 years of age have lost at least 1 tooth, and 30% of elderly people between 65 and 74 years of age have no natural teeth. 1 Implant dentistry improves the lives of edentulous patients thanks to recent progress in the areas of implant protocols, implant performance, and dental prostheses, as well as product ergonomics. 2 However, implant dentistry is not always suited to many of the situations that arise, notably when insufficient bone quality exists to ensure the implant's good performance over the long term. 3,4 The implant design phase, therefore, is critical for dealing with increasingly complex situations. 3,4 The prognosis for an implant's mechanical strength is strongly influenced by load conditions during mastication 5

Research paper thumbnail of Prosthetic Dental Reconstruction Device

prosthetic dental reconstruction device (10) comprising an intrabony section (1), transmucosal po... more prosthetic dental reconstruction device (10) comprising an intrabony section (1), transmucosal portion (2) and prosthetic connection (3), wherein the endo-osseous part (1), the transmucosal portion (2 ) and prosthetic connection (3) are made of material.

Research paper thumbnail of Introduction: Anterior missing teeth and growth

The international journal of esthetic dentistry, 2020

Research paper thumbnail of Esthetic evaluation of periimplant soft tissue of immediate single-implant placement and provisionalization in the anterior maxilla

The international journal of esthetic dentistry, 2018

PURPOSE To investigate periimplant soft tissue response following flapless extraction and immedia... more PURPOSE To investigate periimplant soft tissue response following flapless extraction and immediate implant placement and provisionalization (IIPP) associated with bovine hydroxyapatite bone and connective tissue grafting in the anterior maxilla. The study evaluated the effectiveness of this technique in terms of soft tissue contours in esthetic areas with the use of the pink esthetic score (PES). MATERIALS AND METHODS In this retrospective study, 39 consecutive patients were treated and followed by two experienced clinicians for single-tooth implant treatment in the esthetic zone. Treatment consisted of flapless extraction, immediate implant placement, inorganic bovine bone filling of the periimplant gap, and connective tissue grafting. A provisional crown was placed at the time of implant placement. The final crown was positioned 5 to 8 months after surgery. To assess the esthetic outcome of the technique, the soft tissue around the tooth to be extracted was scored according to th...

Research paper thumbnail of Implant-supported overdentures with different clinical configurations: Mechanical resistance using a numerical approach

The Journal of Prosthetic Dentistry

This retrospective study evaluated the outcome of implant-retained overdentures (IODs) after 5-19... more This retrospective study evaluated the outcome of implant-retained overdentures (IODs) after 5-19 years of clinical function. A retrospective analysis of patient files was performed referring to 27 patients who received 36 IODs with 3 different bar designs (group A=prefabricated round bars, n=7; group B=one-piece anterior milled bars, n=20; and group C=two bilaterally placed milled bars, n=9) in the mandible (n=24) and/or in the maxilla (n=12). The analysis focused on the survival and success rates (according to Kaplan-Meier) of the implants and prostheses. Technical complication rates for each type of restoration were analyzed and compared via one-way ANOVA and the Chi-squared test. The prevalence of peri-implantitis (radiographic bone loss ≥3.5 mm) was evaluated by digital analysis of panoramic radiographs taken post-operative (baseline) and after 5-19 years of clinical function (follow-up). The mean observational time was 7.3 years. The survival rates of the prostheses and implan...

Research paper thumbnail of Efficacy of a collagen matrix for soft tissue augmentation after implant placement compared to connective tissue grafts: A multicenter, noninferiority, randomized controlled trial

Clinical Oral Implants Research

Research paper thumbnail of Avaliação estética do tecido mole peri-implantar após colocação imediata e provisionalização de implante unitário na maxila anterior

THE INTERNATIONAL JOURNAL OF ESTHETIC DENTISTRY, 2019

We consider a discrete time semi-Markov process where the characteristics defining the process de... more We consider a discrete time semi-Markov process where the characteristics defining the process depend on a small perturbation parameter. It is assumed that the state space consists of one finite communicating class of states and, in addition, one absorbing state. Our main object of interest is the asymptotic behaviour of the joint probabilities of the position of the semi-Markov process and the event of non-absorption as time tends to infinity and the perturbation parameter tends to zero. The main result gives exponential expansions of these probabilities together with an recursive algorithm for computing the coefficients in the expansions.

Research paper thumbnail of Mechanical strength and fracture point of a dental implant under certification conditions: A numerical approach by finite element analysis

The Journal of Prosthetic Dentistry, 2017

According to the World Health Organization, caries and periodontal diseases are the main causes o... more According to the World Health Organization, caries and periodontal diseases are the main causes of tooth loss. 1 Worldwide, between 15% and 20% of the population between 35 and 44 years of age have lost at least 1 tooth, and 30% of elderly people between 65 and 74 years of age have no natural teeth. 1 Implant dentistry improves the lives of edentulous patients thanks to recent progress in the areas of implant protocols, implant performance, and dental prostheses, as well as product ergonomics. 2 However, implant dentistry is not always suited to many of the situations that arise, notably when insufficient bone quality exists to ensure the implant's good performance over the long term. 3,4 The implant design phase, therefore, is critical for dealing with increasingly complex situations. 3,4 The prognosis for an implant's mechanical strength is strongly influenced by load conditions during mastication 5

Research paper thumbnail of Prosthetic Dental Reconstruction Device

prosthetic dental reconstruction device (10) comprising an intrabony section (1), transmucosal po... more prosthetic dental reconstruction device (10) comprising an intrabony section (1), transmucosal portion (2) and prosthetic connection (3), wherein the endo-osseous part (1), the transmucosal portion (2 ) and prosthetic connection (3) are made of material.

Research paper thumbnail of Introduction: Anterior missing teeth and growth

The international journal of esthetic dentistry, 2020

Research paper thumbnail of Esthetic evaluation of periimplant soft tissue of immediate single-implant placement and provisionalization in the anterior maxilla

The international journal of esthetic dentistry, 2018

PURPOSE To investigate periimplant soft tissue response following flapless extraction and immedia... more PURPOSE To investigate periimplant soft tissue response following flapless extraction and immediate implant placement and provisionalization (IIPP) associated with bovine hydroxyapatite bone and connective tissue grafting in the anterior maxilla. The study evaluated the effectiveness of this technique in terms of soft tissue contours in esthetic areas with the use of the pink esthetic score (PES). MATERIALS AND METHODS In this retrospective study, 39 consecutive patients were treated and followed by two experienced clinicians for single-tooth implant treatment in the esthetic zone. Treatment consisted of flapless extraction, immediate implant placement, inorganic bovine bone filling of the periimplant gap, and connective tissue grafting. A provisional crown was placed at the time of implant placement. The final crown was positioned 5 to 8 months after surgery. To assess the esthetic outcome of the technique, the soft tissue around the tooth to be extracted was scored according to th...

Research paper thumbnail of Implant-supported overdentures with different clinical configurations: Mechanical resistance using a numerical approach

The Journal of Prosthetic Dentistry

This retrospective study evaluated the outcome of implant-retained overdentures (IODs) after 5-19... more This retrospective study evaluated the outcome of implant-retained overdentures (IODs) after 5-19 years of clinical function. A retrospective analysis of patient files was performed referring to 27 patients who received 36 IODs with 3 different bar designs (group A=prefabricated round bars, n=7; group B=one-piece anterior milled bars, n=20; and group C=two bilaterally placed milled bars, n=9) in the mandible (n=24) and/or in the maxilla (n=12). The analysis focused on the survival and success rates (according to Kaplan-Meier) of the implants and prostheses. Technical complication rates for each type of restoration were analyzed and compared via one-way ANOVA and the Chi-squared test. The prevalence of peri-implantitis (radiographic bone loss ≥3.5 mm) was evaluated by digital analysis of panoramic radiographs taken post-operative (baseline) and after 5-19 years of clinical function (follow-up). The mean observational time was 7.3 years. The survival rates of the prostheses and implan...