
Joël FerriCentre Hospitalier Régional Universitaire de Lille · Division of Dentistry and Maxillofacial Surgery
Joël Ferri
MD, PhD, HDR, Professor
About
242
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Publications
Publications (242)
Introduction
Temporomandibular joint (TMJ) septic arthritis is a rare frequently misdiagnosed condition with non-specific symptoms. We present our experience of thirteen cases of TMJ septic arthritis and perform a systematic review of the literature to collate the multiple characteristics of this condition.
Material and method
A total of 133 cases...
Objective
The aim of this study is to assess maxillary transverse dimension following presurgical maxillary segmented orthodontics associated with 3-piece Le Fort 1 osteotomy in a cohort of “long face syndrome” patients with palatal constriction.
Methods
Patients with maxillary transverse insufficiency were retrospectively included. They all under...
Introduction:
Chronic recurrent multifocal osteomyelitis (CRMO) is a rare autoinflammatory disease characterized by sterile inflammation of bony tissue. Although it has distinct clinical and radiologic features, it is often misdiagnosed, leading to inappropriate and delayed treatment. Indeed, at the origin the disease can have an exclusive maxillo...
Objective
Primary failure of eruption is characterized by a nonsyndromic defect in tooth eruption in the absence of mechanical obstruction. It is correlated to rare heterozygous variants in the parathyroid hormone receptor 1 gene. The management of primary failure of eruption is complex because many therapies are ineffective. The present study aime...
L'étage moyen de la face est la partie anatomique délimitée entre la base du crâne et le plan occlusal. Schématiquement, lorsqu'un traumatisme de l'étage moyen se produit, il peut concerner sa partie latérofaciale et/ou centrofaciale.
Les traumatismes centrofaciaux peuvent être simples, correspondant dans la plupart des cas aux fractures des os na...
Objective:
To evaluate the long-term effects of mandibular symphyseal distraction osteogenesis (MSDO) on the correction of class II malocclusion correction and dental crowding.
Materials and methods:
Twenty-two patients received MSDO and presented class II malocclusion with transverse mandibular discrepancy. The authors collected data on 2 diffe...
Compared to metallic hardware, an effective bone adhesive can revolutionize the treatment of clinically challenging situations such as comminuted, articular, and pediatric fractures. The present study aims to develop such a bio-inspired bone adhesive, based upon a modified mineral-organic adhesive with tetracalcium phosphate (TTCP) and phosphoserin...
Introduction:
The objective of this study was to compare the length ratios obtained on panoramic radiography and computed tomography (CT) to verify whether the former is adequate for diagnosing coronoid process hyperplasia.
Methods:
A case series of patients with coronoid process hyperplasia was investigated. Length ratios between the coronoid p...
Introduction: The objective of this study was to compare the length ratios obtained on panoramic radiography and computed tomography (CT) to verify whether the former is adequate for diagnosing coronoid process hyperplasia.
Methods: A case series of patients with coronoid process hyperplasia was investigated. Length ratios between the coronoid proc...
The current standard approach to treat class II malocclusion is orthodontic preparation followed by a mandibular advancement through bilateral sagittal split osteotomy associated or not with a genioplasty. However, when a malocclusion with an important incisors' axis deviation is associated with a chin malposition, an alternative technique can be c...
Reconstruction of alveolar clefts using cancellous bone graft is associated with a high rate of resorption. The aim of this study was to evaluate the osseointegration capacity of cortical calvarial bone grafting using 3-dimensional imaging assessment for alveolar cleft reconstruction in pediatric population.All alveolar bone grafting procedures per...
Introduction:
Autogenous bone grafting (ABG)-combined or not with Le Fort I osteotomy (LFIO)-and zygomatic implants (ZI) are two reliable techniques for the fixed rehabilitation of atrophic maxillae. ZI allow a reduced treatment duration with no need to graft, immediate loading and in principle less morbidity. The aim of this retrospective study w...
Purpose
The aim was to develop a method for reproducible orbital volume (OV) measurement in vivo based on 3D printing.
Methods
Twelve orbits were obtained from dry skulls of the Human Anatomy Department of Lille University. Computer tomography (CT) slice images of these orbits were transformed into stereo-lithography (STL) format and 3D-printed. B...
Introduction
The aim of this study was to assess the correlation between volumetric risk factors, orbital volume (OV), orbital volume ratio (OVR), herniated volume (HV), and the newly described herniated volume ratio (HVR), with the occurrence of late enophthalmos.
Method
Patients presenting a unilateral unoperated blow-out fracture were retrospec...
Introduction:
Although most localized odontogenic infections can be managed successfully without complications, some can cause extensive morbidity through the onset of cervicofacial cellulitis. The management of these more severe infections generally requires emergency treatment, including surgical treatment under general anesthesia, and prolonged...
La limitation d'ouverture buccale est un motif de consultation fréquent en chirurgie orale et maxillofaciale. Elle peut prendre la forme d'un trismus, correspondant à une forme aiguë ou subaiguë et transitoire, liée à une contracture reflexe des muscles manducateurs consécutive à une pathologie traumatique, infectieuse, tumorale maligne ou toxique....
Craniosynostosis is a rare and complex pathology, and visuospatial skills are necessary for a good understanding of the condition. While the use of three‐dimensional (3D) models has improved the understanding of complex craniofacial anatomy, no study has evaluated the impact of this teaching support on long‐term retention. Our randomized controlled...
Introduction
The aim of this study was to assess the occurrence of the inferior alveolar nerve (IAN) neurosensory disturbance following a modified mandibular bilateral sagittal split osteotomy (BSSO), which preserves the mandibular inferior border.
Material & Method
All patients undergoing BSSO, associated or not with a Le Fort 1 osteotomy, perfor...
Introduction
Many studies have aimed to investigate the regeneration potential of bone substitutes through animal models at different defect sites, where the bone healing mechanism varies due to developmental, structural and functional differences. This study aims to develop a rabbit model with two functionally different (non-load-bearing calvarias...
Objectives
Main aim of the study was to explore the association between genetic polymorphisms in ACTN3 and bruxism. Secondary objectives included masseter muscle phenotypes assessment between bruxers and non-bruxers and according to genetic polymorphisms in ACTN3.
Materials and Methods
54 patients undergoing orthognathic surgery for correction of...
Temporomandibular joint (TMJ) synovial cysts are rare, unlike peripheric locations like the wrist or the knee. They share similar presentations with ganglion cyst, benign and sometimes malignant lesions. Only histopathological analysis confirms diagnosis in some cases, finding a true cyst lined by synoviocytes containing synovial fluid. They seem t...
Introduction:
Neurological sequelae of infraorbital nerve (ION) lesion 6 months after orbital floor or zygomaticomaxillary complex (ZMC) fractures, associated with initial ION injury, were compared according to the treatment performed and the type of fracture. The topographic and symptomatic sequelae at 6 months were described.
Materials and meth...
Objectives
Mandibular are frequently performed and various techniques have been described always aiming at reducing the risk of inferior alveolar nerve (IAN) damage while maximising bony contact to ensure bone healing even after significant movements. Bilateral sagittal split osteotomies (BSSO) of the mandibular corpus, such as Obwegeser’s or Epker...
Objectives
Teaching Oral and Maxillofacial surgery is challenging given the complexity of the craniofacial anatomy, the necessity of good spatial representation skills and the implication of some specific biomechanical concepts. To solve these problems, numerous teachers have resorted to three-dimensional (3D) visualization technologies, displaying...
Les ostéotomies maxillomandibulaires permettent de restaurer chirurgicalement les proportions faciales idéales dans un souci morphofonctionnel. De nombreuses situations peuvent conduire à leur réalisation, telles que la correction d'une dysmorphose dentomaxillofaciale liée à un trouble de croissance ou s'inscrivant dans une pathologie malformative...
Zygomatic implants are not conventional implants and can be useful for implant-supported dental rehabilitation in edentulous maxilla requiring immediate loading. They may be indicated in atrophic maxilla and special situations such as reconstruction after cancer or trauma and dental agenesis. Surgical planning is the key point to achieve a perfect...
En chirurgie orale et maxillo-faciale, l’impression 3D a très vite séduit dès les années 1990, compte tenu de la complexité anatomique du squelette facial et de la place fondamentale des capacités visuo-spatiales nécessaires à l’élaboration d’une reconstruction tridimensionnelle en adéquation avec les exigences esthétiques et fonctionnelles faciale...
Objective
The purpose of this study was to assess whether common biological factors are correlated with a longer hospital stay.
Study Design
All patients having odontogenic cellulitis, treated from January 2019 to December 2019 at Lille University Hospital, and requiring surgical drainage under general anesthesia, were included, retrospectively. D...
Otopalatodigital syndrome spectrum disorders are caused by Filamin A (FLNA) gene mutations. Otopalatodigital syndrome spectrum disorders are a group of rare congenital skeletal dysplasia, with specific craniomaxillofacial features including otopalatodigital syndrome type 1 and type 2, Melnick-Needles syndrome, frontometaphyseal dysplasia, terminal...
Introduction
This study was conducted to review current knowledge concerning factor and how to proceed with dental discoloration after Le Fort 1 osteotomy (LF1O).
Material & Methods
A systematic search of the literature was performed in PubMed/Medline and Cochrane library until December 1, 2020 using the following key words: “dental discoloration...
Introduction
: Mandibular angle fractures are very common and are associated with the highest risk of complications. The aim of this study is to evaluate the correlation between impacted lower third molar and mandibular angle fracture complications.
Material and methods
: All patients presenting with a mandibular angle fracture and at least 2 mont...
Introduction:
Maxillofacial reconstruction with bony free flap is a classical technique. However, pedicle ossification after such reconstruction is a misunderstood complication that is rarely reported in the literature. It is usually manifested as trismus, neck pain, and hard swelling, but it is predominantly asymptomatic and, thus, mainly inciden...
Purpose
Non-surgical treatment of mandibular fractures secondary to medication-related osteonecrosis of the jaw (MRONJ) or osteoradionecrosis (ORN) mostly results in non-union, whereas non-surgical fracture treatment of atrophic fractures can achieve favorable results in selected cases. The aim of this study was to compare callus formation in patho...
Introduction
The aim of this study is to assess a pioneering technique for atrophic premaxilla restoration. The objective is to reposition an implant reconstruction zone into a position both anatomically and physiologically suitable for occlusal function. Indeed, unlike the other few articles published on the correctional osteotomy of the implant i...
Introduction:
Orthodontic and orthognathic management of cleft lip and/or palate (CLP) is a highly controversial subject. We present herein a retrospective study of 214 secondary cases followed over 22 years in order to assess the factors of successful management.
Material and methods:
The study focuses on the results of gingivoperiosteoplasty,...
Sickle cell disease (SCD) is a hemoglobin disorder characterized by the presence of abnormal haemoglobin. The deformed cells cause the blood to be more viscid, leading to vaso occlusive crises (VOC). We report an osteonecrosis of the jaw resulting of a VOC in a patient with sickle cell disease. Dental infections, particularly apical cysts, appear t...
Purpose
Many technologies are emerging in the medical field. Having an overview of the technological arsenal available to train new surgeons seems very interesting to guide subsequent surgical training protocols.
Methods
This article is a systematic approach reviewing new technologies in surgical training, in particular in oral and maxillofacial s...
Introduction:
Craniosynostosis is characterized by the fusion of 1 or more sutures of the skull leading to craniofacial deformations. Our aim is to describe the dental malocclusion associated with craniosynostosis, syndromic, or nonsyndromic, and also the treatment used and its stability.
Material and methods:
This retrospective study included a...
There are numerous applications in craniofacial surgery with orbital volume (OV) modification. The careful management of the OV is fundamental to obtain good esthetic and functional results in orbital surgery. With the growth of computer-aided design - computer-aided manufacturing (CAD-CAM) technologies, patient-specific implants and custom-made re...
Introduction:
Cranio-Maxillofacial Dysplasias (CMD), including Craniofacial Microsomias, syndromes (such as Treacher Collins or Williams) and isolated Condylo-Mandibulo-Dysplasia, is a controversial subject with treatments as diverse as diagnostic classifications. The authors present here a retrospective study of 85 patients, with congenital condy...
Purpose
Pterygoid process fractures (PPF) are classically associated with Lefort fractures, but can also be encountered in association with other facial fractures such as mandibular fractures. The aim of this study was to estimate the frequency of pterygoid process fractures associated with mandibular fractures and identify factors associated with...
Craniofacial asymmetry, mandibular condylar modeling and temporomandibular joint disorders are common comorbidities of skeletally disproportionate malocclusions, but etiology of occurrence together is poorly understood. We compared asymmetry, condyle modeling stability and temporomandibular health in a cohort of 128 patients having orthodontics and...
Purpose
Enophthalmos greater than 2 mm is considered clinically relevant and may be responsible for esthetic and functional morbidity. The difficulty has always been how to accurately determine when the orbital wall displacement would lead to a clinically relevant enophthalmos. None of the currently used techniques is able to accurately predict pos...
Diagnosis classification system of Temporomandibular disorders (TMD) is based on the biopsychosocial model of pain. The pathogenesis is poorly understood, leading to difficulties in treating these multifactorial conditions. The predisposing factors are pathophysiological, psychological or structural processes that alter the masticatory system and l...
Objectives:
Bilateral sagittal split osteotomy (BSSO) is a morpho-functional surgery and post-surgical osteosynthesis may influence temporomandibular joint (TMJ) health. Our objective was to evaluate temporomandibular disorders (TMD) and TMJ symptoms after orthognathic surgery according to the type of osteosynthesis used in a population of patient...
3D printed models are often very similar in shape and can be inadvertently switched if the related patient is not identified correctly. Here, we present a free and simple method to imprint letters and numbers in a 3D model. CT scan data were used to create an STL file of a patient's mandible. We then used Blender software to modify it with numbers...
L'hypercondylie est une pathologie rare de l'articulation temporomandibulaire, caractérisée par un excès de croissance de l'une des couches cartilagineuses du condyle mandibulaire, la couche des préchondroblastes, entraînant une augmentation de la taille et du volume de celui-ci. Sa physiopathologie exacte est mal connue. La plupart des auteurs s'a...
Introduction:
Currently, vascularized autologous bone transplantation is considered the gold standard for large mandibular continuity defect reconstruction. Donor site morbidity is a major concern. Therefore, bone tissue engineering (BTE) seems to be the ideal solution. Fresh-frozen bone allograft is the closest material to autologous bone. The pu...
INTRODUCTION:
Orthognathic surgery is a safe procedure with increasing indications during the past few decades. However, complications in exceptional situations can be serious and even lethal.
OBJECTIVE:
In this article, we analysed the complications of orthognathic surgery with the aim to recognize and treat them appropriately.
MATERIALS AND METHO...
Introduction:
Orthognathic surgery is a common procedure in facial deformities treatment but requires a high level of compliance from the patient. Performing this treatment for mentally disabled patients is a subject of discussion. The aim of this study was to evaluate the quality of life (QOL) after orthognathic surgery in disabled patients.
Mat...
A low‐cost 3D printed model has been introduced into the oral and maxillofacial surgery teaching program of undergraduate students to improve education and mechanical comprehension of craniofacial trauma.
Steps of the 3D printed haptic model building process are listed. 3D printed models of facial fractures were obtained from Data Imaging and Commu...
Objectives
Craniofacial deformities have a high psychosocial impact. The aim of this paper is to improve obstetric ultrasonography and prenatal detection of facial anomalies by providing a new fetal dental panorama.
Material and methods
The present study describes a new modality to visualize the fetal tooth germs and an easy step-by-step diagnosti...
Objective:
Smith-Lemli-Opitz syndrome (SLOS) is an autosomal recessive disorder. It is due to a deficiency of 7-dehydrocholesterol reductase (DHCR7) that catalyses the reduction of 7-dehydrocholesterol (7-DHC) to cholesterol. The aim of this review is to gather all information, concerning diagnostic characteristics of this syndrome, with an emphas...
Purpose:
Class II dento-facial deformity due to inferior alveolar retrusion may be difficult to treat using conventional surgical procedures. The aim of this study was to report on total mandibular subapical osteotomy (TMSO) to correct inferior alveolar retrusion, to describe its indications, the surgical technique and to analyse the aesthetic, oc...
Introduction:
Mandibular osteotomies aim to displace the dental arch to the necessary position, ideally without limitation, while preserving inferior alveolar nerve (IAN) function. Supraforaminal osteotomies offer nerve safety but limit the extent of advancement, whereas Epker and Obwegeser-Dal Pont osteotomies enable unchallenged mandibular advan...
Introduction:
The clinical phenotype of pseudohypoparathyroidism (PHP) is caused by Albright's Hereditary Osteodystrophy (AHO). Often, "round face" the only facial clinical sign reported in the literature. The aim of this study was to highlight various cranio-maxillofacial clinical findings associated with AHO.
Results:
Four patients presented w...
One of the most common causes of short stature is a defect of the short stature homeobox-containing (SHOX) gene, which is located in pseudoautosomal region 1 on the distal end of the short arm of chromosomes Xp22.33 and Yp11.32. More than 300 different mutations in the SHOX gene responsible for short stature syndrome have been described. The phenot...
Background
Temporomandibular disorders (TMDs) are frequent and disabling, and hence, preventing them is an important health issue. Combining orthodontic and surgical treatments for malocclusions has been shown to affect temporomandibular joint (TMJ) health. However, publications regarding the risk factors that predict negative TMJ outcomes after or...
Introduction:
Blindness after orthognathic surgery may be the result of the surgical procedure itself or the consequence of factors induced by general anesthesia. However, the exact mechanism between is not known. The purpose of this article is to present a case of a postoperative visual loss after orthognathic surgery under general anesthesia con...
In this study, the authors aimed to describe orocraniofacial features and to suggest orthodontic-surgical managements in achondroplasia, based on a literature review. The authors focused on skeletal and dentoalveolar malocclusion in order to highlight the place of orthognathic surgery, based on our experience of 3 patients. Maxillary hypoplasia in...
BACKGROUND:
Temporomandibular disorders (TMDs) cause chronic pain and interfere with quality of life (QoL). Botulinum toxin is one of the treatment modalities popularly used for TMDs. The primary objective of this retrospective study was to evaluate improvement in QoL after botulinum toxin injections in patients with TMD.
METHODS:
Twenty-eight pati...
Effect of prosthesis and dental implants on quality of life related to the patient’s oral health can guide the clinician in providing best services. The zygomatic implant (ZI) is a partial or complete alternative technique to so-called traditional rehabilitation techniques (aiming to increase bone volume) of edentulous atrophic maxillae. The object...
Prosthetic rehabilitation of the atrophic edentulous maxilla is a challenge for which zygomatic implants (ZI) stand out from traditional techniques (aiming to increase bone volume) with reduced treatment duration and immediate loading. The aim of this study was to review the ZI treatment plan and its surgical technique based on a series of nine ede...
Der Einfluss von Prothesen und Implantaten auf die Lebensqualität, verbunden mit der Zahn- gesundheit des Patienten, kann dem Zahnarzt bei der Erbringung der bestmöglichen Dienstleistungen Orientierungshilfen geben. Das Zygoma- Implantat (ZI) ist eine partielle oder vollständige Alternative zu den sogenannten herkömmlichen Techniken (die auf eine A...
L’influence des prothèses et des implants dentaires sur la qualité de vie liée à la santé bucco- dentaire du patient peut guider le praticien dans la prestation des meilleurs services. L’implant zygomatique (IZ) constitue une technique alter- native partielle ou complète aux techniques de réhabilitation dites «traditionnelles» (visant à augmenter l...
La réhabilitation prothétique du maxillaire atrophique édenté constitue un défi pour lequel l’im plant zygomatique (IZ) se démarque des tech niques traditionnelles (visant à augmenter le volume osseux) par une durée de traitement réduite et une mise en charge immédiate. L’objectif de cette étude était de faire le point sur le plan de traitement...
Extensive midface and orbital reconstruction is challenging, especially in a pediatric population. A 13-year-old patient was diagnosed with fibrous dysplasia of the midface, which required complete resection of the zygomatic bone and orbital floor. The authors present a complete midface and orbital reconstruction, using a patient-specific autologou...
Objectives: Patients with jaw deformation malocclusion often have facial asymmetry in addition to sagittal and vertical growth dysplasia. These asymmetries may be characterized into 4-subtypes, by differences in left-right ramus height relative to menton midline deviation. Left-right differences in condyle geometry (length or surface area) may also...
Die prothetische Rehabilitation der atrophierten zahnlosen Maxilla stellt eine Herausforderung dar. Das Zygoma-Implantat (ZI) hebt sich von traditionellen Techniken (die darauf abzielen, das Knochenvolumen zu erhöhen) durch eine reduzierte Behandlungszeit und eine sofortige Belastbarkeit ab. Das Hauptziel dieser Studie war es, eine Bestandsaufnahme...
Résumé
Les atteintes rhumatismales (AR) des articulations (ATM) sont des affections de plus en plus fréquentes et malheureusement souvent confondues avec les dysfonctions manducatrices « classiques » (luxations discales, syndromes myofasciaux). Il est nécessaire d’en faire le diagnostic, tant les conséquences craniofaciales peuvent être majeures (h...
Rheumatic diseases (RD) of the temporomandibular joints (TMJs) are increasingly frequent affections and unfortunately often confused with “classic” manducatory dysfunctions (disk dislocation, myofascial pain syndroms). Their diagnosis is mandatory, given the major subsequent craniofacial disorders, which may occur (mandibular condylar hypoplasia, f...
Objectives: To develop an uncomplicated and reliable posteroanterior (PA) cephalometric analysis to distinguish subclassifications of craniofacial asymmetry and to explore the severity and prevalence of TMD in asymmetric patients.
Methods: After exploring different PA cephalometric analyses such as Grummon’s, Oslo’s and Rickett’s analysis which ev...
Introduction:
Since the beginning of the use of sialendoscopy and extra-corporeal lithotripsy, recommendations have changed. The purpose of this retrospective study was to evaluate the efficiency of our treatment protocol, without a lithotripter, under general anaesthesia in the Stomatology and Maxillofacial Surgery Department of Lille University...
The treatment of malocclusions can involve orthognathic surgery. Although orthognathic surgery is a safe surgical procedure, low incidences of many complications have been reported such as infections, hemorrhage, nerve injuries, temporomandibular disorders (TMDs), and psychological problems. There are no reports in the literature of orthognathic su...
Crohns disease (CD) is a chronic inflammatory bowel disease whose oral features remain underrated at clinical examination. The aim of the study was to report forerunner orofacial presentations leading to diagnosis of CD among nine patients of mean age 23 between 2008 and 2015. Linear ulcerative buccal lesions, cobblestoning, mucosal tags and perio...
La maladie de Crohn (MC) est une maladie inflammatoire granulomateuse chronique dont les manifestations orofaciales restent sous estimées lors de l’examen clinique. Nous en décrivons les lésions ainsi que leur prise en charge diagnostique et thérapeutique chez neuf patients, âgés en moyenne de 23 ans, présentant des signes endobuccaux attribués à u...
Three-dimensional (3D) ultrasound has significantly improved prenatal screening and perinatal care in the area of cleft lip/palate and other deformities, providing essential preoperative information to the surgical team. However, current 3D reconstruction modalities are limited primarily to display on a two-dimensional surface. In contrast, a 3D pr...
Introduction:
The fibula free flap (FFF) is the gold standard for the reconstruction of large maxillofacial defects. Magnetic resonance angiography (MRA) seems to supersede digital subtraction angiography (DSA) as the reference in preoperative evaluation, being non-invasive and having equivalent diagnostic results. The aim of this study was to ass...
Objectives: In previous studies, we found differences in gene expression of PITX2 between left and right masseter in adults with facial asymmetry. We also identified SNPs associating ESR1 as a risk factor for dysfunctional worsening of TMD after orthognathic surgery and ENPP1 as a protective factor against TMD in patients with dentofacial deformiti...
Introduction
L’améloblastome est une tumeur bénigne odontogène rare à fort potentiel récidivant. Il représente 1 % des tumeurs des maxillaires. Cette étude avait pour but d’observer le taux de récidive des améloblastomes en fonction de leur type de traitement : radical ou conservateur.
Patients et méthodes
Il s’agissait de recenser de façon rétr...
Introduction:
Ameloblastoma is a rare, benign odontogenic tumour associated with a high recurrence rate. It accounts for 1% of all tumours of the jaws. The purpose of this study was to compare the ameloblastoma recurrence rate according to the type of treatment: radical or conservative.
Patients and methods:
All patients with a diagnosis of amel...