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Use of cone beam computed tomography in periodontology

World Journal of Radiology 2014年第5期6卷 139-147页

作者： Buket Acar Kivan Kamburoglu Department of Dentomaxillofacial Radiology Faculty of Dentistry Ankara University Ankara 06560 Turkey Department of periodontology Faculty of Dentistry Hacettepe University Ankara 06230 Turkey

Diagnosis of periodontal disease mainly depends on clinical signs and symptoms. However, in the case of bone destruction, radiographs are valuable diagnostic tools as an adjunct to the clinical examination. Two dimensional periapical and panoramic radiographs are routinely used for diagnosing periodontal bone levels. In two dimensional imaging, evaluation of bone craters, lamina dura and periodontal bone level is limited by projection geometry and superpositions of adjacent anatomical structures. Those limitations of 2D radiographs can be eliminated by three-dimensional imaging techniques such as computed tomography. Cone beam computed tomography(CBCT) generates 3D volumetric images and is also commonly used in dentistry. All CBCT units provide axial, coronal and sagittal multi-planar reconstructed images without magnification. Also, panoramic images without distortion and magnification can be generated with curved planar reformation. CBCT displays 3D images that are necessary for the diagnosis of intra bony defects, furcation involvements and buccal/lingual bone destructions. CBCT applications provide obvious benefits in periodontics, however; it should be used only in correctindications considering the necessity and the potential hazards of the examination.

关键词： Cone beam computed tomography periodontology Radiology Dentistry Oral diagnosis

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Management of the palato-radicular groove with a periodontal regenerative procedure and prosthodontic treatment:A case report

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World Journal of Clinical Cases 2022年第17期10卷 5732-5740页

作者： Dan-Hua Ling Wei-Ping Shi Yan-Hong Wang Dan-Ping Lai Yan-Zhen Zhang Department of Comprehensive Dentistry The Second Affiliated Hospital of Zhejiang University School of MedicineHangzhou 310052Zhejiang ProvinceChina Department of Comprehensive Dentistry Jiangnan Hospital Affiliated to Zhejiang Chinese Medical UniversityHangzhou 311221Zhejiang ProvinceChina

BACKGROUND Palato-radicular groove(PRG)is defined as an anomalous formation of *** etiology of PRG remains *** prognosis of a tooth with a PRG is *** treatment of combined periodontal-endodontic lesions requires multidisciplinary management to control the progression of bone *** researchers reported cases that had short-term *** management of teeth with PRGs is of great clinical ***,to date,no case reports have been documented on the use of bone regeneration and prosthodontic treatment for *** SUMMARY This case reported the management of a 40-year-old male patient with the chief complaint of slight mobility and abscess in the upper right anterior tooth for 15 d and was diagnosed with type II PRG of tooth 12 with combined endodonticperiodontal *** accumulation of plaque and calculus caused primary periodontitis and a secondary endodontic infection.A multidisciplinary management approach was designed that included root canal therapy,groove sealing,a periodontal regenerative procedure,and prosthodontic *** a 2-year follow-up period,a good prognosis was *** This report indicates that bone regeneration and prosthodontic treatment may contribute to the long-term favorable prognosis of teeth with PRGs.

关键词： Palato-radicular groove Bone regeneration treatment Prosthodontic treatment Maxillary lateral incisor Dentistry periodontology Case report

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Erbium-doped yttrium aluminum garnet laser and advanced plateletrich fibrin+in periodontal diseases:Two case reports and review of the literature

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World Journal of Clinical Cases 2022年第33期10卷 12337-12344页

作者： Kai-Seng Tan Dentistry Ritz Digital Dental ClinicNew Taipei 238Taiwan

BACKGROUND The goal of periodontal disease treatment is to completely remove bacteria and promote wound *** erbium-doped yttrium aluminum garnet(Er:YAG)laser is commonly used to treat periodontal *** platelet-rich fibrin+(A-PRF+)secrets growth factors that accelerates soft-and hard-tissue regeneration and wound *** I present 2 cases of patients with oral diseases treated with a combination of Er:YAG laser and A-PRF+.CASE SUMMARY Case 1 was a female with pocket depth bone loss over 8 mm and infection of tooth 31 and 41,and severe advanced periodontitis with grade III *** 2 was a male with tooth 22 root end apical swelling and infection and alveolar bony *** outcomes were recorded at 6 and 36 *** case 1,the Er:YAG laser was used to perform open flap debridement(100 mJ/pulse,15 Hz)and remove calculus and granulation tissue(50 mJ/pulse,30 Hz).In case 2 the laser was used to create a semilunar full thickness flap incision(80 mJ/pulse,20 Hz)and eliminate the pathogen(100 mJ/pulse,15 Hz).In both patients,A-PRF+mixed with bone was used to fill bone defects,and A-PRF+autologous membranes were used to cover tension-free primary *** was no recurrent infection at 36 mo,and tissue regeneration and would healing *** Debridement with an Er:YAG laser followed by treatment with A-PRF+is effective for the treatment periodontal diseases with bone defects.

关键词： Erbium-doped yttrium aluminum garnet laser Advanced platelet-rich fibrin+ periodontology Tissue regeneration and healing Wound healing Case report

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Halitosis:the multidisciplinary approach

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International Journal of Oral Science 2012年第2期4卷 55-63页

作者： Curd ML Bollen Thomas Beikler Poliklinik für Zahnerhaltung Parodontologie und EndodontologieWestdeutsche KieferklinikUniversittsklinikumDüsseldorf Germany

Halitosis, bad breath or oral malodour are all synonyms for the same pathology. Halitosis has a large social and economic impact. For the majority of patients suffering from bad breath, it causes embarrassment and affects their social communication and life. Moreover, halitosis can be indicative of underlying diseases. Only a limited number of scientific publications were presented in this field until 1995. Ever since, a large amount of research is published, often with lack of evidence. In general, intraoral conditions, like insufficient dental hygiene, periodontitis or tongue coating are considered to be the most important cause （85%） for halitosis. Therefore, dentists and periodontologists are the first-line professionals to be confronted with this problem. They should be well aware of the origin, the detection and especially of the treatment of this pathology. In addition, ear-nose-throat-associated （10%） or gastrointestinal/ endocrinological （5%） disorders may contribute to the problem. In the case of halitophobia, psychiatrical or psychological problems may be present. Bad breath needs a multidisciplinary team approach： dentists, periodontologists, specialists in family medicine, ear- nose-throat surgeons, internal medicine and psychiatry need to be updated in this field, which still is surrounded by a large taboo. Multidisciplinary bad breath clinics offer the best environment to examine and treat this pathology that affects around 25% of the whole population. This article describes the origin, detection and treatment of halitosis, regarded from the different etiological origins.

关键词： halitosis microbiology periodontology

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