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Wisdom tooth

R P Anthonappa, N M King
BACKGROUND: Several hypotheses have been proposed to explain hypodontia of the various tooth types with evolutionary and anatomic models. Hypodontia of all primary canines in a healthy individual is exceptionally rare and has not been previously reported in the dental literature. CASE REPORT: This clinical report describes a 4-year-old southern Chinese female with the congenital absence of the primary canines in all quadrants. Furthermore, all of the permanent tooth germs excluding the third molars were evident on a panoramic radiograph and were developing consistent with the subject's chronological age...
November 3, 2016: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
Berna Gokkaya, Betul Kargul
OBJECTIVE: The aim of this study was to assess the prevalence and pattern of congenital missing teeth in the permanent dentition (excluding wisdom teeth), among Turkish children in a 4-year period (2009-2012). METHODS: The study group comprised 1658 children (873 girls, 785 boys). The children were examined in Department of Pediatric Dentistry, Dental School of Marmara University. A chi square test was used to determine the difference in the prevalence of hypodontia between genders...
March 2016: Acta Stomatologica Croatica
V Toedtling, P Coulthard, G Thackray
Objectives The objectives of the prospective study were to establish the prevalence of distal caries (DC) in the mandibular second molar and to assess the outcomes of these diseased teeth in our population. Further aims were to identify associated risk factors and to design a protocol for prevention.Methods Clinical and radiographic data from 210 consecutive patients were ascertained over a three-month period. The sample population included all patients who had been referred to a hospital oral surgery department for a lower wisdom tooth assessment...
September 23, 2016: British Dental Journal
Andrea E Borgonovo, Federico Rigaldo, Carlo Maiorana, Giovanni B Grossi, Davide Augusti, Dino Re
BACKGROUND: The aim of this study is to evaluate if the statistical significant relations between the measures taken exists or not and to show how the 3D reconstruction could be help the oral surgeon in all those instances in which it may have a direct impact on the planning of the surgical steps. METHODS: Thanks to use of NobelClinicianTM Software it was possible to analyze 200 mandibular tomography computerized, random selected, and create a 3D reconstruction of mandibular bone, point out dental structure of wisdom tooth and the way of IAN...
September 15, 2016: Minerva Stomatologica
Korosh Roshanghias, Andre Peisker, Jörg Olaf Zieron
Wisdom tooth operations are sometimes accompanied by complications. This case report shows complications during upper jaw third molar removal. Expectable problems during oral surgery should be planned to be solved in advance. Displacement of the third molar during oral surgeries as a considerable complication is rarely discussed scientifically. A good design of flap, adequate power for extraction, and clear view on the surgical field are crucial. Three-dimensional radiographic diagnostics in terms of cone beam computed tomography is helpful after tooth displacement into the infratemporal fossa...
July 2016: Dental Research Journal
Mergime Prekazi Loxha, Sami Salihu, Kaltrina Kryeziu, Sadushe Loxha, Zana Agani, Vjosa Hamiti, Aida Rexhepi
INTRODUCTION: An epidermoid cyst is a benign cyst usually found on the skin. Bone cysts are very rare and if they appear in bone they usually appear in the distal phalanges of the fingers. Epidermoid cysts of the jaws are uncommon. CASE PRESENTATION: We present a case, of a 41 year-old female patient admitted to our department because of pain and swelling in the parotid and masseteric region-left side. There was no trismus, pathological findings in skin, high body temperature level, infra-alveolar nerves anesthesia or lymphadenopathy present...
June 2016: Medical Archives
Hsin-Yung Chen, Hsiang Yang, Ling-Fu Meng, Pei-Ying Sarah Chan, Chia-Yen Yang, Hsin-Ming Chen
BACKGROUND/PURPOSE: Deep pressure input is used to normalize physiological arousal due to stress. Wisdom tooth surgery is an invasive dental procedure with high stress levels, and an alleviation strategy is rarely applied during extraction. In this study, we investigated the effects of deep pressure input on autonomic responses to wisdom tooth extraction in healthy adults. METHODS: A randomized, controlled, crossover design was used for dental patients who were allocated to experimental and control groups that received treatment with or without deep pressure input, respectively...
October 2016: Journal of the Formosan Medical Association, Taiwan Yi Zhi
Jacqueline A Pfaff, Birgit Boelck, Wilhelm Bloch, Georg-Hubertus Nentwig
INTRODUCTION: Enhancement of bone regeneration is crucial to dental implantology. Growth factors play a significant role during osteogenesis and angiogenesis. Extracorporeal shock wave therapy (ESWT) enhances bone healing; however, no studies have yet been performed in oral implantology. MATERIALS AND METHODS: Twenty patients who underwent bilateral mandibular wisdom tooth removal were included. ESWT was applied to 1 side of the jaw. Blood samples were collected from the peripheral vein (PB), mandibular bone marrow without and with ESWT (BM-/+SW)...
October 2016: Implant Dentistry
Qiang Zhu, Gang Tian, Zhen Tang, Jianyong Gao, Yinghui Tan
INTRODUCTION: Adrenomedullin (ADM) is highly expressed in dental tissues at the critical developmental time points during tooth development. However, its role in pulp repair and pulp injury is still unknown. The study aimed to investigate the mechanisms by which ADM affects the proliferation and apoptosis of human dental pulp stem cells (DPSCs). METHODS: Fifty-four freshly extracted wisdom teeth were obtained from 27 patients with caries and 27 without. Enzyme-linked immunosorbent assay and immunohistochemistry were used to examine the expression levels of ADM in caries and normal pulp tissues...
September 2016: Journal of Endodontics
Frank Schwarz, Andrea Schmucker, Jürgen Becker
OBJECTIVES: Recent animal studies have indicated, that tooth roots reveal a structural and biological potential to serve as alternative autografts for localized ridge augmentation. This proof-of-concept initial report aimed at investigating, whether this new surgical concept may be applied to humans. MATERIAL & METHODS: In one patient, who was in need for horizontal ridge augmentation, the roots of a retained upper wisdom tooth were separated and rigidly fixed at the defect site...
November 2016: Journal of Clinical Periodontology
Omprakash Heggadahalli Mahadevappa, Venkataram Mysore, Vishalakshi Viswanath, Salim Thurakkal, Imran Majid, Suresh Talwar, Sanjeev J Aurangabadkar, Manas Chatterjee, M Ramesh Bhat, Shyamanta Barua, Anil Ganjoo
BACKGROUND: The current standard recommendation is to avoid surgical interventions in patients taking oral isotretinoin. However, this recommendation has been questioned in several recent publications. AIM: To document the safety of cosmetic and surgical interventions, among patients receiving or recently received oral isotretinoin. MATERIALS AND METHODS: Association of Cutaneous Surgeons, India, in May 2012, initiated this study, at 11 centers in different parts of India...
April 2016: Journal of Cutaneous and Aesthetic Surgery
E Grecchi, A E Borgonovo, D Re, L Creminelli, F Grecchi
BACKGROUND: Aneurismal bone cysts (ABCs) are benign, non-neoplastic, expansive, and locally destructive lesions that may occur rarely. They are well defined and usually occur in the long bones, pelvis and vertebrae. According to the 2005 World Health Organization (WHO) histological classification of odontogenic tumours, ABC is classified as a bone-related lesion as ossyfing fibroma, fibrous dysplasia, osseous dysplasia, central giant cell lesion (granuloma-CGCL), cherubism and simple bone cyst (SBC)...
June 2016: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
O Yitschaky, M Segev-Neuhof, A Laviv
The debate regarding prophylactic extraction of mandibular third molar (Wisdom teeth) is not new. There is wide agreement among clinicians and researchers that an extraction in young age is easier and safer, but it may result in overtreatment, which means an unnecessary extraction of teeth that might have been functional and healthy. In order to avoid such overtreatment the clinician is obliged to be able to predict accurately the chances of third molar eruption, years before they are due to erupt. Additionally, the clinician has to estimate the chances for future pathology or infection that will force the patient to extract the tooth in years to come...
January 2016: Journal of the Israel Dental Association
Nabil Khzam, Adam Fell, Anthony Fisher, Paul Kim, Usman A Khan, Mahmoud M Bakr
Periodontal disease is a chronic inflammation of the tooth supporting structures. It leads to bone and attachment loss which is irreversible. Extraction of horizontally impacted lower third molar (L3M) teeth may result in localized periodontal pockets at the distal aspect of the adjacent lower second molars (L2M). We present a case of a 21-year-old male who suffered from a swelling and pain around his lower right second molar following surgical removal of a mesioangular impacted lower right third molar. We showed that oral hygiene measures, surgical access, mixture of autogenous and synthetic bone graft, and guided tissue regeneration (GTR) were enough to control the problem...
2016: Case Reports in Dentistry
Aysenur Nergiz Tanidir, Mustafa Sancar Atac, Ezgi Karacelebi
Dental fear is the fourth most common fear among the population. Well-informed patients seemed to be less anxious, and have the least anxiety before a planned procedure. Our aim was to find out the ideal way of information required by the patient before extraction of an impacted wisdom tooth. A total of 129 patients listed for extraction of impacted teeth were randomly allocated into three groups: control group (n=42); video dubbed by the surgeon (n=43); and silent video (n=44). Their sociodemographic variables and baseline anxiety scores were comparable, and each group was assessed for anxiety: (1) three days preoperatively, (2) after they had watched a video, (3) immediately preoperatively and (4) postoperatively...
July 2016: British Journal of Oral & Maxillofacial Surgery
Burak Ozcan, Ece Bayrak, Cevat Erisken
Availability of material as well as biological properties of native tissues is critical for biomaterial design and synthesis for regenerative engineering. Until recently, selection of biomaterials and biomolecule carriers for dental pulp regeneration has been done randomly or based on experience mainly due to the absence of benchmark data for dental pulp tissue. This study, for the first time, characterizes the linear viscoelastic material functions and compressive properties of human dental pulp tissue harvested from wisdom teeth, under oscillatory shear and compression...
June 2016: Journal of Biomechanical Engineering
Domenica Laurito, Marco Lollobrigida, Filippo Graziani, Fabrizio Guerra, Annarita Vestri, Alberto De Biase
The aim of this study was to compare a transposed with a repositioned flap by assessing the periodontal effects on the second molar and primary healing after extraction of partially impacted lower third molars. A total of 24 patients requiring partially impacted mandibular wisdom tooth removal were enrolled in the study. The test group (n = 12) underwent a transposed flap procedure, whereas the control group (n = 12) underwent a repositioned flap procedure. Plaque index, probing depth, bleeding on probing, and width of keratinized tissue were recorded the day of surgery (T1) and after 60 days (T4)...
May 2016: Journal of Craniofacial Surgery
Gozde Ozcan, Ahmet Ercan Sekerci, Emrah Soylu, Sinan Nazlim, Mehmet Amuk, Fatma Avci
Fusion is an abnormality of tooth development defined as the union of two developing dental germs, resulting in a single large dental structure. This irregular tooth morphology is associated with a high predisposition to dental caries and periodontal diseases. As a result of recurring inflammatory periodontal processes, disorders such as periodontal pocket, pericoronitis, and paradental cysts may develop. A rare mandibular anatomic variation is the retromolar canal, which is very significant for surgical procedures...
March 2016: Imaging Science in Dentistry
Laia Fité-Trepat, Míriam Martos-Fernández, Margarita Alberola-Ferranti, Carolina Romanini-Montecino, Manel Saez-Barba, Coro Bescós-Atín
BACKGROUND: Myositis Ossificans is a rare heterotopic bone formation within a muscle being the masticatory muscles exceptionally involved. In most cases there is a previous trauma, bearing in mind that there may be many other etiologies. CT scan and panoramic radiographs along with histological findings are essential diagnostic aids. CASE DESCIPTION: We report a rare case of MO of masseter muscle in 49 years-old woman after repetitive wisdom tooth infection with the discussion of clinical, radiological and histological features...
April 2016: Journal of Clinical and Experimental Dentistry
Oana Carmen Drăgan, Alexandru Ştefan Fărcăşanu, Radu Septimiu Câmpian, Romulus Valeriu Flaviu Turcu
BACKGROUND AND AIMS: Visualization of the internal and external root canal morphology is very important for a successful endodontic treatment; however, it seems to be difficult considering the small size of the tooth and the complexity of the root canal system. Film-based or digital conventional radiographic techniques as well as cone beam computed tomography provide limited information on the dental pulp anatomy or have harmful effects. A new non-invasive diagnosis tool is magnetic resonance imaging, due to its ability of imaging both hard and soft tissues...
2016: Clujul Medical (1957)
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