Thomas Starch-Jensen

• Professor
• Professor at Aalborg University Hospital

SURGICAL TECHNIQUES FOR THE REMOVAL OF MANDIBULAR THIRD MOLARS Removal of the mandibular third molar (M3 inf.) varies from a simple tooth extraction to a complex surgical procedure. The complexity of the procedure depends on factors such as the morphology, position within the jawbone, and bone density as well as the relation to the inferior alveola...

This study evaluated radiographic graft changes following maxillary sinus floor augmentation with (A) autogenous bone, (B) 1:1 autogenous bone and deproteinized porcine bone mineral, or (C) 1:1 autogenous bone and biphasic bone graft material. Sixty patients were randomly allocated to groups A, B, and C (20 in each). CBCT scans were obtained at enr...

Objective The objective was to assess the one year implant treatment outcome and patient‐related outcome measures (PROMs) following maxillary sinus floor augmentation (MSFA) with autogenous bone graft (ABG) from the zygomatic buttress (control) compared with 1:1 mixture of ABG and anorganic porcine bone mineral (APBM) (Test I) or biphasic bone graf...

Objective: To assess the radiological and histological outcome after horizontal guided bone regeneration (GBR) with deproteinized bovine bone mineral (DBBM) alone or in combination with particulate autogenous bone (PAB). Materials and methods: Eighteen edentulous patients with an alveolar ridge of ≤4 mm were included in this split-mouth randomized...

Citation: Terheyden, H.; Raghoebar, G.M.; Sjöström, M.; Starch-Jensen, T.; Cawood, J. Preprosthetic Surgery-Narrative Review and Current Debate. Abstract: This review describes the role of modern preprosthetic surgery. The atrophic edentulous jaw can cause severe functional impairment for patients, leading to inadequate denture retention, reduced q...

The objective of this study was to assess endo-sinus bone gain (ESBG) and bone density (BD) following maxillary sinus membrane elevation without graft (test) compared with maxillary sinus floor augmentation and 1:1 ratio of autogenous bone from the buccal antrostomy and deproteinized porcine bone mineral (control) using two- and three-dimensional...

This study evaluated patient's perception of recovery following surgical removal of mandibular third molars (SRM3s) including analyze of potential risk factors associated with impaired convalescent. Patient related parameters combined with preoperative questionnaires including Modified Dental Anxiety Scale, Oral Health Impact Profile-14, and Decaye...

Objective: Test the hypothesis of no difference in bone regeneration after maxillary sinus floor augmentation (MSFA) with different ratios of iliac or mandibular autogenous bone (AB) graft and deproteinized bovine bone mineral (DBBM). Materials and methods: Forty minipigs were randomly allocated to bilateral MSFA using: (A) 100% AB, (B) 75% AB a...

Objective: The aim was to evaluate the 1-year implant outcome and patient-related outcome measures (PROMs) after maxillary sinus membrane elevation and coagulum (test) compared with maxillary sinus floor augmentation and a 1:1 ratio of autogenous bone graft from the buccal antrostomy and deproteinised porcine bone mineral (DPBM) (control). Materi...

Objectives: The objective of the present systematic review and meta-analysis was to test the 0-hypothesis of no difference in implant treatment outcome after horizontal alveolar ridge augmentation with xenogenic block compared with autogenous bone block. Material and Methods: A PUBMED PMID (PubMed), Embase and Cochrane Library search in combination...

Objectives: The objective of the present systematic review and meta-analysis was to test the 0-hypothesis of no difference in implant treatment outcome after horizontal alveolar ridge augmentation with xenogenic block compared with autogenous bone block. Material and Methods: A literature search was conducted using PubMed, Embase and Cochrane Libr...

The objective was to test the hypothesis of no difference in radiographic outcome after maxillary sinus floor augmentation (MSFA) with allogeneic adipose tissue-derived stem cells (ASCs) seeded on deproteinized bovine bone mineral (DBBM) (test) compared with excipient on DBBM (control). Eighteen minipigs were assigned into three groups of six anima...

The objective of this study was to assess endo-sinus bone gain (ESBG) following osteotome-mediated sinus floor elevation with Bio-Oss Collagen (test) compared with no grafting material (control) using two- and three-dimensional radiographic methods, as part of a randomized controlled trial (ClinicalTrials.gov, NCT04618900). Forty healthy patients w...

Purpose To carry out a comparative evaluation of the intra- and postoperative complications, and bone healing, following bilateral sagittal split osteotomy (BSSO) with or without concomitant removal of third molars. Material and methods A retrospective analysis was performed of two cohorts subjected to BSSO with the intraoperative removal of third...

Objectives: The objective was to assess the accuracy of orthognathic surgical planning using three-dimensional virtual planning compared with conventional two-dimensional planning. Material and Methods: MEDLINE (PubMed), Embase and Cochrane Library search combined with hand-search of relevant journals was conducted to identify randomized controlle...

The objective of this single-blind randomized controlled trial was to test the hypothesis of no difference in implant treatment outcome and patient-reported outcome measures (PROMs) following osteotome-mediated sinus floor elevation with Bio-Oss Collagen (test) compared with no grafting material (control) after 1 year of implant loading. Forty heal...

Background Prior studies of the pharmacogenomics of osteonecrosis of the jaw (ONJ) have had various methodological limitations, including using candidate gene selection as their sole strategy, a small number of ONJ cases, or a study population based on an oncology setting. Objectives The aim of our case-control study was to evaluate previously rep...

Background/aimsWhen facial trauma involves elderly patients, the possible presence of frailty and comorbidities in victims of trauma may worsen the posttraumatic symptoms and decrease quality of life. The aim of this multicenter study was to assess the quality of life following surgical or non-operative management of maxillofacial trauma in elderly...

Introduction Odontoma is the most commonly diagnosed odontogenic tumor of the oral cavity. The objective of the present study was to assess the demographic variables, patterns, diagnostic features, and management issues of odontomas treated at several European departments of maxillofacial and oral surgery. Materials and methods This study was cond...

Objectives: The objective of the present systematic review was to evaluate the current knowledge of implant treatment outcome following lateral alveolar ridge augmentation with autogenous tooth block graft compared with autogenous bone block graft prior to implant placement. Material and Methods: MEDLINE (PubMed), Embase and Cochrane Library searc...

The objective of this systematic review was to test the hypothesis of no difference in recovery following surgical removal of mandibular third molars with the application of advanced platelet-rich fibrin (A-PRF) in the extraction socket compared with alternative biomaterials or natural wound healing. A search of MEDLINE (PubMed), Embase, Cochrane L...

Objectives: Cryotherapy is frequently used to diminish postoperative sequelae following mandibular third molar surgery. The objective of this single-blinded randomized controlled trial was to assess the therapeutic efficiency of 30 minutes continuous cryotherapy on postoperative sequelae following surgical removal of mandibular third molars compare...

Objectives To test if there is a difference in professional and patient-reported outcome measures (PROM) after single-crown restoration supported by short implants (SI) (6 mm) compared with standard length implants (SLI) (13 mm) in conjunction with maxillary sinus floor augmentation (MSFA) after one year of functional implant loading. Material and...

Background The purpose of the present study was to test the H0-hypothesis of no difference in the clinical and radiographical treatment outcome of single-crown restorations supported by short implants compared with standard length implants in conjunction with maxillary sinus floor augmentation (MSFA) after 1 year of functional implant loading. Fort...

Purpose: The aim was to test the null-hypothesis of no difference in pain, trismus, swelling and quality of life following surgical removal of mandibular third molar (SRM3) with 30 minutes of immediate cryotherapy compared with no cryotherapy using clinical assessment, visual analogue scale (VAS), questionnaires and three-dimensional imaging. Metho...

Introduction: The aim of the present article was to review and depict the main radiological features of odontogenic keratocysts, thus helping the differential diagnoses from other odontogenic cysts and neoplasms. Methods: A review of articles published between January 2000 and October 2020 using Medline and the MeSH Term "odontogenic keratocyst"...

Objective The objective was to assess patient´s perception of recovery after maxillary sinus membrane elevation (MSME) and blood coagulum (test) compared with maxillary sinus floor augmentation (MSFA) and 1:1 mixture of autogenous bone graft from the buccal antrostomy and deproteinized porcine bone mineral (DPBM) (control). Material and methods Fo...

Purpose The objective of the present study was to assess the epidemiology including demographic variables, diagnostic features, and the management of odontogenic keratocyst (OKCs) at several European departments of maxillofacial and oral surgery. Materials and Methods This study is based on a systematic computer-assisted database that allowed the...

The present study aimed at assessing the epidemiology including demographic variables, diagnostic features, and management of ameloblastomas at several European departments of maxillofacial and oral surgery. The following data were recorded for each patient: gender, age, voluptuary habits, comorbidities, site, size, radiographic features, type, his...

Objectives: To test the hypothesis of no difference in implant treatment outcome following lateral alveolar ridge augmentation with autogenous bone block graft with or without barrier membrane coverage. Material and Methods: PubMed (MEDLINE), Embase and Cochrane library search in combination with a hand-search of relevant journals was conducted. H...

Background Autogenous bone graft is considered as the preferred grafting material for maxillary sinus floor augmentation (MSFA). However, harvesting of extraoral or intraoral autogenous bone graft is associated with risk of donor site morbidity and supplementary surgery. From a clinical and patient perspective, it would therefore be an advantage, i...

Objectives: Test the hypothesis of no difference in the volumetric stability of the grafting material following maxillary sinus floor augmentation with autogenous bone graft compared with composite grafting material or bone substitute alone applying the lateral window technique. Material and methods: MEDLINE (PubMed), Embase, Cochrane library an...

Abstract Background Osteotome-mediated sinus floor elevation with or without a grafting material is associated with high implant survival, intrasinus bone gain, and low frequency of complications. However, patient’s perception of recovery and satisfaction with the surgical intervention are rarely reported. The objective of the present randomized co...

Objective Estimate changes in augmentation height and volume after lateral guided bone regeneration (GBR) augmentation with different ratios of deproteinized bovine bone mineral (DBBM) and particulate autogenous bone (PAB) and autogenous bone block (ABB), at different time points. Material and methods Twenty‐four minipigs were randomly allocated i...

Objectives: The objective of present systematic review was to test the hypothesis of no difference in histomorphometric outcome after maxillary sinus floor augmentation with autogenous bone graft alone compared with alternate grafting materials applying the lateral window technique. Material and Methods: MEDLINE (PubMed), Embase and Cochrane libra...

Objective To test the hypotheses of no differences in (I) percentage of bone (POB), non‐mineralized tissue (NMT) and deproteinized bovine bone mineral (DBBM), and (II) ingrowth of mineralized bone after lateral guided bone regeneration (GBR) augmentation of the mandible with different ratios of DBBM and particulate autogenous bone (PAB) at differen...

The objective of the present systematic review was to test the hypothesis that there were no differences in outcome of implant treatment after sandwich osteotomy in the atrophic posterior mandible with interpositional autogenous bone block graft, compared with bone substitute material. A MEDLINE/PubMed, Embase and Cochrane Library search in combina...

Background: The objective of the present study was to compare the efficacy of different doses of methylprednisolone on postoperative sequelae and quality of life (QoL) following surgical removal of mandibular third molars (SRM3). Material and methods: Fifty-two patients (16 men and 36 women, mean age 25.9 years, range: 18-39) with bilateral impa...

Objectives: The aim of this systematic review was to test the hypothesis of no difference in complications and donor site morbidity following harvesting of autogenous bone graft from the ascending mandibular ramus compared with the chin region. Material and Methods: MEDLINE (PubMed), Embase and Cochrane Library search in combination with a hand-se...

Objectives: To evaluate the influence of a single intraoperative injection of methylprednisolone on short-term haematological parameters following surgical removal of mandibular third molars. Material and Methods: Fifty-two patients with indications for surgical removal of bilateral impacted mandibular third molars were included in a randomized, s...

Purpose: The objective of the present retrospective study was to assess the long-term implant treatment outcome and patient satisfaction after lateral ridge augmentation in the posterior mandible with autogenous bone block graft harvested from the ascending mandibular ramus. Materials and Methods: Seventy-four lateral ridge augmentation procedures...

Introduction Management of body fractures in patients with edentulous atrophic mandibles represents a challenging task due to patient’s age, medical comorbidities, poor bone quality, and vascularity, as well as reduced contact area between the fracture ends. The aim of the study was to assess the demographic and clinical variables, the surgical tec...

Background: Orthognathic surgery is a well-known surgical procedure for correction of facial deformities. The surgical procedure is performed by the use of conventional plates and by patient-specific osteosynthesis plates (PSOPs). The aim of this study is to investigate any differences in complications, financial expenses, professional and patient...

Objectives: The objective of the present systematic review was to test the hypothesis of no difference in implant treatment outcome after maxillary alveolar ridge expansion with split-crest technique compared with lateral ridge augmentation with autogenous bone block graft. Material and Methods: A MEDLINE (PubMed), Embase and Cochrane Library sear...

Objectives: Test the hypothesis of no difference in implant treatment outcomes after maxillary sinus floor augmentation with or without barrier membrane coverage of the lateral window. Material and Methods: A MEDLINE (PubMed), Embase and Cochrane library search in combination with a hand-search of relevant journals was conducted. Human studies pub...

Background / aims: Management of maxillofacial trauma in the geriatric population poses a great challenge due to anatomical variations and medical comorbidities. The aim of this study was to analyze the management variables, timing, and outcomes of facial fractures in elderly patients (aged 70 years or more) at several European departments of oral...

Introduction: The objective of the present study was to assess the demographic variables, causes, and patterns of edentulous atrophic fractures of the mandible managed at several European departments of oral and maxillofacial surgery. The results of this multicenter collaboration over a 10-year period are presented. Methods: The data of all pati...

Introduction: Treatment of condylar fractures in patients with atrophic edentulous mandibles is a peculiar field that has been little considered in the literature. The aim of the study was to assess the demographic and clinical variables as well as management and outcome of mandibular condylar fractures in edentulous patients with atrophic mandibl...

Introduction: The task of Group II was to review and update the existing data concerning extraction socket preservation with or without membranes and soft tissue influence on post-extraction alveolar ridge preservation; extraction socket preservation using different biomaterials as bone grafts, growth factors, and stem cells. Special interest was p...

Objectives: The purpose of the present review was to evaluate the effect of different bone substitutes used for alveolar ridge preservation on the post extraction dimensional changes. Material and Methods: An electronic literature search in MEDLINE (PubMed), EMBASE (OVID) and Cochrane (CENTRAL) were performed, in addition to a manual search throug...

Introduction: The progressive aging of European population seems to determine a change in the epidemiology, incidence and etiology of maxillofacial fractures with an increase in the frequency of old patients sustaining craniofacial trauma. The objective of the present study was to assess the demographic variables, causes, and patterns of facial fr...

The objective was to test the hypothesis of no difference in facial swelling, pain, trismus and immediate quality of life after surgical removal of mandibular third molars, with or without postoperative cryotherapy. A MEDLINE (PubMed), Embase database and Cochrane library search in combination with a hand search of relevant journals was conducted b...

Introduktion-Ehlers-Danlos syndrom (EDS) er en gruppe af arvelige bindevaevssygdomme karakteriseret ved hyperelastisk hud, hypermo-bilitet af led og vaevsskørhed. Lidelsen skyldes en mutation i et af generne, der styrer dannel-sen af bindevaevets kollagen. Symptomatolo-gien varierer mellem de seks undergrupper af EDS. Odontologiske symptomer foreko...

Benign paroksysmal positionel vertigo efter lukket sinusløft Thomas Starch-Jensen, forsknings-og uddannelsesansvarlig over-tandlaege, postgraduat klinisk lektor, specialtandlaege i tand-, mund-og kaebekirurgi, ph.d., Kaebekirurgisk Afdeling, Aalborg Universitets-hospital Peder Christian Frandsen, speciallaege i oto-rhino-laryngologi, Øre-, naese-og...

Masseterhypertrofi er en relativt sjaelden forekom-mende tilstand med ensidig eller dobbeltsidig for-størrelse af musculus masseter. AEtiologien og pato-genesen er ukendt. Tilstanden forekommer oftest i 20-30-års-alderen og praesenterer sig klinisk som en fast, langsomt voksende og asymptomatisk forstør-relse af musculus masseter. Masseterhypertrof...

The objective was to test the hypothesis of no difference in skeletal and dental arch expansion and relapse after surgically assisted rapid maxillary expansion with a bone-borne compared with a tooth-borne appliance. The PubMed, Embase (Ovid), Cochrane Library, and Google Scholar databases were searched in combination with a hand-search of relevant...

Purpose: The objective of the present study was to assess patient satisfaction and esthetic implant outcome 10 years after maxillary sinus floor augmentation with autogenous bone graft from the mandibular ramus. Materials and methods: Maxillary sinus floor augmentation with autogenous bone graft from the mandibular ramus was conducted in 48 cons...

Objectives: The objective of the present systematic review was to assess the transverse skeletal and dental arch expansion and relapse after mandibular midline distraction osteogenesis with a bone-borne, tooth-borne or hybrid distraction appliance. Material and Methods: A MEDLINE (PubMed), Embase and Cochrane library search in combination with a h...

Introduction Skeletal Angle Class I patients with a severe dental Class II malocclusion are characterized by an unfavourable anterior-posterior relationship between the anterior dentoalveolar area and the skeletal base. Orthodontic alignment posing various treatment difficulties and surgical correction with bilateral sagittal split osteotomy may re...

Objective: To test the hypothesis of no difference in the long-term treatment outcome after osteotome-mediated sinus floor elevation with or without a grafting material. Materials and methods: A MEDLINE/PubMed, Cochrane Library, and EMBASE search in combination with a hand-search of relevant journals was conducted, including human studies publis...

Purpose: The objective of the present systematic review was to test the hypothesis of no difference in neurosensory disturbances (NSDs) after bilateral sagittal split osteotomy (BSSO) with piezoelectric surgery compared with conventional techniques. Materials and methods: A PubMed (Medline), Embase Library, and Cochrane Library search in combina...

The objective was to test the hypothesis of no difference in the treatment outcome after the installation of short implants (≤8mm) in the posterior part of the maxilla compared to standard length implants (>8mm) in conjunction with maxillary sinus floor augmentation (MSFA) using the lateral window technique, after an observation period of ≥3years....

Objectives: Test the hypothesis of no difference in prosthetic rehabilitation of the partially edentulous atrophic posterior mandible with short implants (≤ 8 mm) compared with the sandwich osteotomy and delayed placement of standard lengths implants (> 8 mm). Material and Methods: A MEDLINE (PubMed), Embase and Cochrane library search in combinat...

Objectives: The objective of the present systematic review was to test the hypothesis of no difference in facial swelling, pain and trismus after surgical removal of mandibular third molar with different dosages of corticosteroids and administration routes. Material and Methods: A MEDLINE (PubMed), Embase database and Cochrane Library search in co...

Objective Evaluate the 1-year treatment outcome of zygomatic complex fractures with surgical or nonsurgical intervention. Materials and Methods One hundred and forty-two consecutive patients with a zygomatic complex fracture were enrolled. Sixty-eight patients underwent surgical intervention and 74 patients nonsurgical intervention. The 1-year exa...

Introduction Mandibular coronoid process hyperplasia is an uncommon congenital or developmental temporomandibular joint disorder, characterized by elongation of the coronoid process, which may cause limited mandibular movement as a consequence of interference between the hyperplastic coronoid process and the medial surface of the zygomatic arch. M...

Objective: The objective of this study was to estimate the area fraction of different ratios of Bio-Oss(®) and bone, prior to grafting in an in vitro model to demonstrate a histomorphometric baseline. Methods: Bio-Oss(®) particles were mixed with autogenous bone from pig jaw in three different ratios (50:50, 80:20 and 100:0) and packed in rice p...

Objectives: The objective of the present study is to present the current best evidence for enhancement of the vertical alveolar bone height and oral rehabilitation of the atrophic posterior maxilla with dental implants and propose some evidence-based treatment guidelines. Material and Methods: A comprehensive review of the English literature inclu...

Background: The optimal ratio of deproteinized bovine bone (DPBB) and autogenous bone (AB) for lateral augmentation is presently unknown. Purpose: To evaluate implant treatment outcome and radiological graft changes after lateral ridge augmentation with 2 different mixtures of DPBB and AB, 2 years after functional loading. Materials and methods...

Objective: To compare implant treatment outcome after maxillary sinus membrane elevation with simultaneous installation of implants with or without the use of graft material applying the lateral window technique. Materials and methods: MEDLINE/PubMed, Cochrane Library, and Embase search in combination with a hand-search of relevant journals was...

The objective was to test the hypothesis of no difference in long-term (≥5 years) implant treatment outcomes after maxillary sinus floor augmentation (MSFA) with autogenous bone graft compared to a mixture of autogenous bone graft and bone substitutes or bone substitutes alone. A MEDLINE (PubMed), Embase, and Cochrane Library search in combination...

Objectives: The objective was to test the hypothesis of no difference in implant treatment outcome after installation of implants with a scalloped implant-abutment connection compared to a flat implant-abutment connection. Material and Methods: A MEDLINE (PubMed), Embase and Cochrane library search in combination with a hand-search of relevant jou...

The objective of this systematic review was to test the hypothesis of no difference in implant treatment outcomes when using Bio-Oss alone or Bio-Oss mixed with particulate autogenous bone grafts for lateral ridge augmentation. A search of the MEDLINE, Cochrane Library, and Embase databases in combination with a hand-search of relevant journals was...

Osteoma is a benign slow-growing osteogenic neoplasm commonly occurring in the craniofacial skeleton, characterized by the proliferation of compact and/or cancellous bone. Osteomas may be peripheral, central, or extraskeletal. Peripheral osteomas arise from the periosteum and are quite uncommon in the jaw bones. The exact aetiology and pathogenesis...

Objectives: The objective of the present systematic review was to test the hypothesis of no difference in transverse skeletal and dental arch expansion and relapse after segmental Le Fort I osteotomy versus surgically assisted rapid maxillary expansion. Material and Methods: A MEDLINE (PubMed), Embase and Cochrane library search in combination wit...

Objectives: The aim of the present study was to assess the skeletal stability after large mandibular advancement (> 10 mm) with bilateral sagittal split osteotomy and skeletal elastic intermaxillary fixation and to correlate the skeletal stability with the vertical facial type. Material and Methods: A total of 33 consecutive patients underwent bim...

Ankylosis is the abnormal adhesion of alveolar bone to dentin or cementum and commonly seen after traumatic dental injuries. Treatment of impacted and ankylosed teeth solely by orthodontics alignment may be challenging. Consequently, several treatment alternatives have been proposed for the management of ankylosed teeth involving extraction, surgic...

The objective of the present study was to evaluate the health status of the periodontal tissue after surgically assisted rapid maxillary expansion (SARME). Periodontal status was assessed after an average of 25 months (range, 6-66) in 61 patients who underwent SARME by plaque index, gingival index, probing depth, and probing attachment level. In th...

Aims: To (1) quantitatively investigate the possible long-term surgical impact of orthognathic surgery on the patients' trigeminal somatosensory functions and (2) investigate the influence of ongoing pain on the trigeminal somatosensory functions of the patients. Methods: A group of patients before orthognathic surgery (Pre-op), a group of patie...

Objectives To assess the short term dental and skeletal stability of the anterior maxillary segment after segmental Le Fort I osteotomy with postoperative skeletal elastic fixation with or without occlusal splint. Material and Methods 29 consecutive patients underwent segmental Le Fort I osteotomy and elastic skeletal fixation was applied. Patient...

The purpose of the present study was to evaluate skeletal stability after mandibular advancement with bilateral sagittal split osteotomy. Twenty-six patients underwent single-jaw bilateral sagittal split osteotomy (BSSO) to correct skeletal Class II malocclusion. One group (n = 13) were treated postoperatively with skeletal elastic intermaxillary f...

The objective of the present retrospective study was to assess long-term morbidity and postoperative complications after autogenous bone harvesting from the ascending mandibular ramus. Bone harvesting from the ascending mandibular ramus was conducted in a consecutive case series, including 325 patients, at The Department of Oral and Maxillofacial S...