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J Dent 2022 Jun 24:104210. Epub 2022 Jun 24.

Dental Clinic 1 - Operative Dentistry and Periodontology, Friedrich-Alexander University Erlangen-Nuremberg, Glueckstrasse 11, 91054, Erlangen, Germany.

Objectives: Aim of the present prospective study was to clinically evaluate the long-term performance of two different luting-materials for leucite-reinforced glass-ceramic inlays/onlays after 14 years.

Methods: A total of 83 IPS-Empress-inlays/onlays were placed in 30 patients. Restorations were luted according to two different strategies: 43 restorations were fixed with a self-adhesive resin-cement (RelyXUnicem, RX), 40 restorations were inserted with VariolinkII-low (SV) after pretreatment with an etch-and-rinse multi-step adhesive. Read More

J Dent Sci 2022 Apr 8;17(2):842-847. Epub 2021 Oct 8.

Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing, China.

Background/purpose: The restoration of endodontically treated teeth (ETT) with cervical defects has been a challenge for dentists. The purpose of this study was to evaluate the effect of restorative treatment on the fracture resistance of ETT with cervical defects.

Materials And Methods: One hundred and twenty freshly extracted human intact straight-single-root maxillary premolars were randomly divided into 6 groups. Read More

J Contemp Dent Pract 2022 Feb 1;23(2):221-225. Epub 2022 Feb 1.

Department of Conservative Dentistry and Endodontics, Maharishi Markandeshwar College of Dental Sciences and Research, Ambala, Haryana, India.

Aim: To evaluate the fracture resistance of coronal fractured tooth fragments stored in five different storage media when reattached with nanohybrid flowable composite.

Materials And Methods: The crown portion of 50 extracted human permanent maxillary central incisors were divided into three equal parts (incisal third, middle third and cervical third) and then marked incisal third were cut with the diamond disk. These were divided into five equal groups according to the type of storage media used i. Read More

Children (Basel) 2022 May 30;9(6). Epub 2022 May 30.

Department of Pediatric Dentistry, The Faculty of Medicine, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv 69978, Israel.

Background: Individuals with tooth agenesis often present a significant clinical challenge for dental practitioners. This retrospective study evaluated clinical and radiological long-term functional and esthetic outcomes following restoration using primary teeth to support fixed all-ceramic prosthesis in patients with teeth agenesis.

Methods: Patients with teeth agenesis and at least one year follow-up were included. Read More

Int J Prosthodont 2022 May-Jun;35(3):259-268

Purpose: To evaluate the success of monolithic endocrowns fabricated using a digital workflow.

Materials And Methods: Twenty-three patients requiring restoration of devitalized molars or premolars were included in the study. The preparation was scanned using an intraoral scanner (Cerec Bluecam, Dentsply Sirona), and a monolithic restoration was made from a nanoparticle resin-based hybrid composite (#10 Cerasmart [CS]; #10 Lava Ultimate [LU], 3M Espe) or a polymer-infiltrated ceramic (#10 Vita Enamic [VE]). Read More

J Conserv Dent 2022 Jan-Feb;25(1):105-108. Epub 2022 May 2.

Department of Conservative and Endodontics, K. M Shah Dental College and Hospital, Munjmahuda, Vadodara, Gujarat, India.

Retreatment of endodontically involved teeth may require the removal of obstruction from root canal space. Instrument fracture is an undesirable and stressful incident which can negatively affect the prognosis of the tooth. Any corrective step taken should be performed with utmost care to prevent extrusion of the fragment into periapex. Read More

J Conserv Dent 2022 Jan-Feb;25(1):98-100. Epub 2022 May 2.

Department of Conservative Dentistry, Goa Dental College and Hospital, Bambolim, Goa, India.

A 21-year-old male patient reported with chief complaint of pain in the upper front teeth. Clinical examination revealed tooth fracture in teeth # 11, 21, and prior attempted endodontic treatment. The radiographic examination revealed periapical radiolucency in relation to upper central incisors with thinning of dentinal walls. Read More

J Conserv Dent 2022 Mar-Apr;25(2):179-184. Epub 2022 May 4.

Department of Conservative Dentistry and Endodontics, Vishnu Dental College, Bhimavaram, Andhra Pradesh, India.

Introduction: Endodontic procedure leads to the loss of tooth structure resulting in fractures. Intraorifice barriers of bonded restorative materials placed in the cervical third of tooth may help in increasing fracture resistance.

Materials And Methods: Human mandibular premolars ( = 75) underwent decoronation to adjust working length at 14 mm and prepared up to F3. Read More

Phytomedicine 2022 Aug 9;103:154258. Epub 2022 Jun 9.

Key Laboratory of Big Data-Based Precision Medicine, School of Engineering Medicine, Beihang University, Beijing, 100191, China; Clinical Research Platform for Interdiscipline of Stomatology, The First Affiliated Hospital of Jinan University & Department of Stomatology, Jinan University, Guangzhou, 510632, China. Electronic address:

Background: New targets and strategies are urgently needed for the identification and development of anabolic drugs for osteoporosis. Farnesoid X receptor (FXR) is a promising novel therapeutic target for bone metabolism diseases. Although used clinically, FXR agonists have obvious side effects; therefore, the development of new FXR agonists for the treatment of osteoporosis would be welcomed. Read More

J Endod 2022 Jun 14. Epub 2022 Jun 14.

Division of Endodontics, University at Buffalo, School of dental medicine; Department of Endodontics, University of the Pacific, Arthur A. Dugoni School of Dentistry. Electronic address:

Aim: This study aimed to identify clinical and radiographic characteristics of teeth with longitudinal fractures to assist in the diagnosis and differentiation between cracked teeth and teeth with vertical root fracture (VRF).

Methods: Ninety-five patients (95 teeth) diagnosed with a longitudinal fracture (only cracked teeth or VRF) through clinical visualization of the fracture line were included in this study. Clinical and radiographic data were collected from the patients' record to identify the characteristics associated with each condition. Read More

Med Sci Monit 2022 Jun 17;28:e936892. Epub 2022 Jun 17.

Department of Orthodontic and Pediatric Dentistry, College of Dentistry, Qassim University, Buraydah, Saudi Arabia.

BACKGROUND Miswak is a form of chewing stick used to clean teeth in different parts of the world, including Saudi Arabia. We present a description of the effects of miswak derivatives, namely toothpaste, mouthwash, and brushing sticks, on the mean color changes (DE00), compressive fracture resistance values, and fracture modes of polymer-based computer-aided design (CAD) and computer-aided manufactured (CAM) prosthetic materials. MATERIAL AND METHODS Eighty-one rectangular-shaped samples were prepared from lithium disilicate glass-ceramic (IPS e. Read More

Biomed Eng Online 2022 Jun 15;21(1):36. Epub 2022 Jun 15.

School of Mechanical and Electrical Engineering, Guangzhou University, Guangzhou, 510006, China.

Despite numerous clinical trials and pre-clinical developments, the diagnosis of cracked tooth, especially in the early stages, remains a challenge. Cracked tooth syndrome is often accompanied by dramatic painful responses from occlusion and temperature stimulation, which has become one of the leading causes for tooth loss in adults. Current clinical diagnostical approaches for cracked tooth have been widely investigated based on X-rays, optical light, ultrasound wave, etc. Read More

Braz Oral Res 2022 10;36:e085. Epub 2022 Jun 10.

Universidade de São Paulo - USP, Bauru School of Dentistry , Department of Dentistry, Endodontics, and Dental Materials , Bauru , SP , Brazil .

The aim of this study was to evaluate the quality of curved root canal preparation, torsional fatigue, and cyclic fatigue of rotary systems manufactured with different NiTi alloys. Ninety single-rooted canals with curvatures of 15° to 30o were scanned and divided into three groups according to the rotary system used: BT-Race (BTR) - 10.06, 35. Read More

Quintessence Int 2022 Jun;53(7):568-578

Preservation and restoration of teeth with little coronal tooth structure due to crown-root fractures or caries lesions, ensuring restoration margins do not encroach on the biologic width, constitute a challenge. Available treatment options include surgical crown lengthening and orthodontic or surgical extrusion. This report presents two patients in which teeth were restored by surgical extrusion with an atraumatic extraction system and prosthetic therapy. Read More

Clin Oral Investig 2022 Jun 7. Epub 2022 Jun 7.

Department of Dentomaxillofacial Radiology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Jiangsu Province, Zhong Yang Road 30, Nanjing City, 210008, People's Republic of China.

Objectives: This study aimed to compare posterior tooth root fractures in endodontically treated teeth versus nonendodontically treated teeth in the Chinese population.

Materials And Methods: We investigated 500 root fractured posterior teeth in 461 Chinese patients. The clinical information (age, sex of patients, tooth type) were recorded. Read More

Anaesth Rep 2022 Jan-Jun;10(1):e12168. Epub 2022 Jun 3.

Department of Anaesthesia and Intensive Care Nehru Hospital Chandigarh India.

Clin Oral Investig 2022 Jun 4. Epub 2022 Jun 4.

Department of Biomaterials and Oral Biology, School of Dentistry, University of São Paulo, São Paulo, SP, Brazil.

Objectives: This systematic review was performed to determine the main cause of technical failure of tooth-supported zirconia crowns and fixed partial dentures (FPDs), categorizing them as fracture/chipping or loss of retention/decementation.

Materials And Methods: Electronic and manual searches were performed for randomized clinical trials, prospective clinical trials, and prospective cohort studies that reported the technical failure rates of zirconia restorations. The Cochrane Collaboration risk-of-bias tool and Newcastle-Ottawa scale were used to assess the quality of the studies. Read More

J Contemp Dent Pract 2022 Jan 1;23(1):100-104. Epub 2022 Jan 1.

Department of Maxillofacial Surgery and Diagnostic Science, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan, Saudi Arabia.

Edentulousness affects the mental health of most patients. Missing teeth in the anterior esthetic zones is a matter of concern, especially for young adults. Various replacement options such as fixed partial dentures, removable partial dentures, and dental implants are available to treat edentulousness. Read More

Indian J Dent Res 2021 Oct-Dec;32(4):416-422

Department of Pediatric and Preventive Dentistry, Narayana Dental College, Nellore, Andhra Pradesh, India.

Aim: The present study aimed to determine the risk factors related to permanent maxillary incisors and soft tissue injuries along with providing information about the age distribution of trauma, overjet, lip competence and physical activity.

Methods And Materials: The sample consisted of 2100 school children aged 8-14 years from 15 schools in the Nellore district. The sample was selected adopting a stratified random sampling method and screened applying WHO criteria for the oral examination. Read More

Odontology 2022 May 30. Epub 2022 May 30.

Faculté de Chirurgie Dentaire, Université de Strasbourg, 8 Rue Ste Elisabeth, 67000, Strasbourg, France.

Self-contained underwater breathing apparatus (SCUBA) diving is becoming widely democratized among hobbyist practitioners. It can cause orofacial problems, mostly linked to pressure changes. The aim of this study was to assess the prevalence of these problems and to analyze civilian divers' behavior about their dental prevention in France, via a cross-sectional study. Read More

Dent J (Basel) 2022 May 1;10(5). Epub 2022 May 1.

Department of Surgery, Dentistry, Paediatrics and Gynaecology, University of Verona, 37134 Verona, Italy.

(1) Background: Traumatic dental injuries constitute a major global health problem. Primary deciduous teeth of the upper frontal group are frequently affected by trauma, especially at an early age. It is important to treat primary traumatic injuries because early tooth loss can lead to aesthetic and functional alterations. Read More

Front Vet Sci 2022 3;9:878162. Epub 2022 May 3.

Department of Health, Medicine and Caring Sciences, Linköping University, Uppsala, Sweden.

Periodontal disease is the most common disease in dogs over 3 years of age. In dogs, as in humans, daily tooth brushing, as a means of active dental home care, is considered the gold standard for prophylaxis and prevention of periodontal disease progression. However, the performance of adequate tooth brushing is insufficient in dogs. Read More

Shanghai Kou Qiang Yi Xue 2021 Dec;30(6):606-610

Department of Stomatology, Peking University 3rd Hospital. Beijing 100191, China. E-mail:

Purpose: This in vitro study was aimed to evaluate the efficacy of intra-canal broken instrument removal using a new lasso device.

Methods: Mandibular molars that were freshly extracted within 6 months were used in this study. The teeth were examined under magnification to rule out cracks. Read More

Clin Adv Periodontics 2022 May 17. Epub 2022 May 17.

Tuscan Stomatological Institute, Camaiore, Italy.

Introduction: Immediate implant in the esthetic area is a challenging procedure. Chronic infection often contributes to extensive bone loss and acute infection often precludes a safe, clean surgery. However, it is quite common to come across failing teeth in the esthetic area, where the patient often demands a faster rehabilitation. Read More

Clin Oral Investig 2022 May 14. Epub 2022 May 14.

Department of Paediatric Dentistry, Universidade Do Estado Do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.

Objetive: To evaluate all the available evidence assessing if in hypomineralized teeth, yellow-brownish opacities are more prone to post-eruptive breakdown (PEB) compared to white-creamy opacities.

Materials And Methods: Observational studies that evaluated the occurrence of PEB in hypomineralized teeth were considered for inclusion. Electronic searches were performed up to January 2022 in MedLine, LILACS, BBO, Cochrane Library, Web of Science, Scopus, and EMBASE. Read More

J Conserv Dent 2021 Nov-Dec;24(6):594-598. Epub 2022 Apr 1.

Department of Conservative Dentistry and Endodontics, Faculty of Dental Sciences, SGT University, Gurgaon, Haryana, India.

Background: A myriad of materials and procedures have been recommended for restoring the root-filled teeth with significant loss of tooth structure and the most common method being the use of "posts."

Material And Methods: A mesio-occluso-distal preparation was done on eighty intact maxillary first premolars, followed by access preparation and cleaning and shaping with rotary files. All samples were obturated and divided into four groups ( = 20). Read More

J Am Coll Radiol 2022 05;19(5S):S67-S86

Specialty Chair, Atlanta VA Health Care System and Emory University, Atlanta, Georgia.

Maxillofacial trauma patients comprise a significant subset of patients presenting to emergency departments. Before evaluating for facial trauma, an emergency or trauma physician must perform a primary survey to ensure patient stabilization. Following this primary survey, this document discusses the following clinical scenarios for facial trauma: tenderness to palpation or contusion or edema over frontal bone (suspected frontal bone injury); pain with upper jaw manipulation or pain overlying zygoma or zygomatic deformity or facial elongation or malocclusion or infraorbital nerve paresthesia (suspected midface injury); visible nasal deformity or palpable nasal deformity or tenderness to palpation of the nose or epistaxis (suspected nasal bone injury); and trismus or malocclusion or gingival hemorrhage or mucosal hemorrhage or loose teeth or fractured teeth or displaced teeth (suspected mandibular injury). Read More

J Vet Dent 2022 May 12:8987564221101091. Epub 2022 May 12.

Arizona Veterinary Dental Specialists, Scottsdale, AZ, USA.

Medical records from 4 private practice veterinary dentistry specialty clinics were reviewed for a 5-year period (2013-2018) to identify dogs that had a fractured canine tooth treated by root canal therapy and returned for subsequent follow-up evaluation. Evaluation criteria included the presence of complete medical records with diagnostic quality intraoral radiographs for each procedure visit with a minimum of 6 months between visits. Forty-three dogs with a total of 55 endodontically treated canine teeth were identified and evaluated. Read More

Cureus 2022 Apr 6;14(4):e23891. Epub 2022 Apr 6.

Conservative Dentistry and Endodontics, Chettinad Dental College and Research Institute, Chennai, IND.

The current case report presents a case of a road traffic accident comprising dental avulsion of maxillary incisors. A 30-year-old male reported missing teeth following trauma in his upper front tooth region. The avulsion of maxillary right central and lateral incisors along with laceration in upper and lower lips was evident. Read More

Int J Clin Pediatr Dent 2022 Jan-Feb;15(1):119-120

Department of Oral Surgery, Malla Reddy Institute of Dental Sciences, Hyderabad, Telangana, India.

Pediatric subcondylar jaw fractures in the mixed dentition phase present a unique challenge as immobilization of the jaw is indicated but arch bars are contraindicated due to fear of damage to underlying tooth buds. No definite guidelines are present in the management of pediatric subcondylar jaw fractures. We report a case in which a patient in mixed dentition with undisplaced fracture of neck of condyle which was managed with Intermaxillary fixation. Read More