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Fardal Ø, Skau I, Grytten J. A 30-year retrospective cohort outcome study of periodontal treatment of stages III and IV patients in a private practice. J Clin Periodontol 2023. [PMID: 37726161 DOI: 10.1111/jcpe.13877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 07/28/2023] [Accepted: 08/28/2023] [Indexed: 09/21/2023]
Abstract
AIM Tooth loss studies show that periodontal treatment is effective. However, it is not known whether these results can be projected into a lifetime of treatment. The aim of the study was to study all patients with stages III/IV of periodontitis over 30 years in a private practice. MATERIALS AND METHODS All patients referred between 1986 and 1990 were monitored for 30 years for tooth loss and prognostic factors. All dropouts were accounted for. RESULTS In all, 386 patients were followed, of whom 283 patients dropped out, leaving 103 patients (67 females and 36 males, average age 40.1 years) monitored over 30 years. Tooth loss was stable until 16 years, when the population was divided into groups of low (n = 65), moderate (n = 18) and high (n = 20) tooth loss, losing 1.05 (SD 1.27), 4.83 (SD 0.96) and 11.90 (SD 4.25) teeth, respectively. The strongest prognostic factors were first-degree relatives with periodontitis, periodontal treatment before the age of 35 years, diabetes and patients with teeth with initial hopeless prognosis. CONCLUSION The majority of patients with stages III and IV periodontitis could be successfully treated with conventional periodontal treatment over a period of 30 years. The findings suggest that retrospective studies with shorter observation times cannot automatically be projected onto the outcome of a lifetime of periodontal treatment.
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Affiliation(s)
- Øystein Fardal
- Private practice, Egersund, Norway
- Institute of Community Dentistry, University of Oslo, Oslo, Norway
- Institute of Education for Medical and Dental Sciences, University of Aberdeen, Aberdeen, UK
| | - Irene Skau
- Institute of Community Dentistry, University of Oslo, Oslo, Norway
| | - Jostein Grytten
- Institute of Community Dentistry, University of Oslo, Oslo, Norway
- Division of Obstetrics and Gynaecology, Akershus University Hospital, Lørenskog, Norway
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Rădulescu V, Boariu M, Rusu D, Boldeanu C, Christodorescu R, Roman A, Surlin P, Didilescu AC, Vela O, Kardaras G, Veja I, Martu I, Stratul SI. Is the Diagnosis of Generalized Stage IV (Severe) Periodontitis Compatible with the Survival of Extended Stabilizing Prosthetic Restorations? A Medium-Term Retrospective Study. Diagnostics (Basel) 2022; 12:diagnostics12123053. [PMID: 36553060 PMCID: PMC9776696 DOI: 10.3390/diagnostics12123053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 11/24/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
The aim of the study was to identify the most relevant patient-related factors directly involved (alone or in combinations) in the long-term survival and functionality of the abutment teeth of extensive stabilizing bridges and removable prosthesis, in patients treated for Stage IV periodontitis, adhering to SPT over a period of at least 5 years. Seventy-six patients treated between 2000-2022, rehabilitated with FDPs and RDPs, adhering to SPT for at least 5 years were included. Patient-related factors influencing retention of RDPs and FDP, survival rates in regular (RCs) and irregular compliers (ICs), and incidence of biological and technical complications were assessed. During a follow-up of 69 months, from 57 patients with FDPs and 19 patients with RDPs, 39 (51.32%) were ICs, while 37 (48.68%) were RCs. An overall statistically significant association (p = 0.04) was identified between biological complications and the type of prostheses. The RDP patients had more complications than FDP patients. In 5.26% of the RDP patients, root caries were identified, and 10.53% were diagnosed with a periapical (endodontic) lesion, while 3.51% of the FDPS patients presented root caries. In five (6.57%) cases, abutment loss resulted in the loss of the prosthesis. Statistically significant correlations were observed between systemic diseases and tooth loss, and between type of tooth lost and the reason for tooth loss, irrespective of the type of prosthesis. A total of 66.67% of the lost incisors, 85.71% of the lost premolars, and 88.89% of the lost molars occurred due to periodontal causes. Furthermore, 93% of the FDPs and RDPs were still in place and in function.
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Affiliation(s)
- Viorelia Rădulescu
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Marius Boariu
- Department of Endodontics, Faculty of Dental Medicine, TADERP Research Center, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Darian Rusu
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Camelia Boldeanu
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Ruxandra Christodorescu
- Department V Internal Medicine, Faculty of Medicine, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Correspondence: ; Tel.: +40-744641279
| | - Alexandra Roman
- Department of Periodontology, Faculty of Dental Medicine, Applicative Periodontal Regeneration Research Unit, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj Napoca, Romania
| | - Petra Surlin
- Department of Periodontology, Faculty of Dental Medicine, University of Medicine and Pharmacy, 200349 Craiova, Romania
| | - Andreea Cristiana Didilescu
- Department of Embryology, Faculty of Dentistry, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Boulevard, 050474 Bucharest, Romania
| | - Octavia Vela
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Giorgios Kardaras
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Ioana Veja
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Ioana Martu
- Department of Dental Technology, Faculty of Dental Medicine, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Stefan-Ioan Stratul
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
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Montero E, Molina A, Palombo D, Morón B, Pradíes G, Sanz-Sánchez I. Efficacy and risks of tooth-supported prostheses in the treatment of partially edentulous patients with stage IV periodontitis. A systematic review and meta-analysis. J Clin Periodontol 2021; 49 Suppl 24:182-207. [PMID: 34786742 DOI: 10.1111/jcpe.13482] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/26/2021] [Accepted: 03/31/2021] [Indexed: 01/08/2023]
Abstract
AIM The aim was to evaluate the efficacy and effectiveness of tooth-supported fixed prostheses in partially edentulous patients with stage IV periodontitis. MATERIAL AND METHODS Randomized and controlled clinical trials (RCTs and CCTs) and prospective/retrospective cohort studies or case series were searched in three databases. Survival rate of abutment teeth was considered the primary outcome. Meta-analyses were performed whenever possible. RESULTS Twenty-four publications were included. No RCTs or CCTs compared the efficacy of tooth-supported fixed prostheses between patients with severe periodontitis or non-periodontitis patients. Most of the data retrieved were derived from case series. The incidence of abutment-tooth loss after a follow-up period from 2 to 35.4 years was low (n = 17 studies; weighted mean incidence (WMI) = 4.8%; confidence interval (CI) [3.2, 6.5]). The corresponding figure for prostheses failure was WMI = 6.9% (n = 18; 95% CI [4.1, 9.7]). Technical complications seemed to be more frequent than biological complications (caries, endodontic failure, root fracture, etc.). Periodontal outcomes tended to remain stable over time. CONCLUSION Tooth-supported fixed prostheses seemed to be a valid treatment approach to restore masticatory function in patients with stage IV periodontitis once periodontal therapy has been accomplished. However, the comparative efficacy of this treatment among periodontitis and non-periodontitis patients is unclear due to the absence of clinical trials.
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Affiliation(s)
| | - Ana Molina
- Universidad Complutense de Madrid, Madrid, Spain
| | | | - Belén Morón
- Universidad Complutense de Madrid, Madrid, Spain
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Cimões R, Pinho RCM, Gurgel BCDV, Borges SB, Marcantonio Júnior E, Marcantonio CC, Melo MARDC, Piattelli A, Shibli JA. Impact of tooth loss due to periodontal disease on the prognosis of rehabilitation. Braz Oral Res 2021; 35:e101. [PMID: 34586215 DOI: 10.1590/1807-3107bor-2021.vol35.0101] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 03/31/2021] [Indexed: 01/21/2023] Open
Abstract
When periodontal disease is diagnosed, it is difficult to predict the clinical response of treatment of a tooth over time because the result of treatment is affected by several factors and will depend on the maintenance and support of periodontal treatment. Rehabilitation with removable dental prostheses, fixed prostheses, and dental implants makes it possible to restore the function and esthetics of patients with tooth loss due to periodontal disease. The predictive factors of tooth loss in periodontitis patients should be assessed by dentists to inform their clinical decision-making during dental treatment planning. This will provide detailed individualized information and level of risk of patients considered suitable for dental rehabilitation. Therefore, the aim of this article was to review the subject of "Impact of tooth loss due to periodontal disease on the prognosis of rehabilitation" and the effect of fixed, removable, and implant-supported prostheses in periodontal patients.
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Affiliation(s)
- Renata Cimões
- Universidade Federal de Pernambuco - UFPE, Health Sciences Centre, Department of Prosthesis and Oral and Maxillofacial Surgery, Recife, PE, Brazil
| | | | | | - Samuel Batista Borges
- Universidade Federal do Rio Grande do Norte - UFRN, Health Sciences Centre, Department of Dentistry, Natal, RN Brazil
| | - Elcio Marcantonio Júnior
- Universidade Estadual Paulista Júlio de Mesquita Filho - Unesp, Faculdade de Odontologia de Araraquara, Department of Diagnosis and Surgery, Araraquara, SP, Brazil
| | - Camila Chierici Marcantonio
- Universidade Estadual Paulista Júlio de Mesquita Filho - Unesp, Faculdade de Odontologia de Araraquara, Department of Diagnosis and Surgery, Araraquara, SP, Brazil
| | | | - Adriano Piattelli
- University of Chieti, Dental School, Department of Medical, Oral and Biotechnological Sciences, Chieti, Italy
| | - Jamil Awad Shibli
- Universidade de Guarulhos - UnG, Dental Research Division, Department of Periodontology and Oral Implantology, Guarulhos, SP, Brazil
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Association, prediction, generalizability: Cross-center validity of predicting tooth loss in periodontitis patients. J Dent 2021; 109:103662. [PMID: 33857544 DOI: 10.1016/j.jdent.2021.103662] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/24/2021] [Accepted: 04/09/2021] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVES To predict patients' tooth loss during supportive periodontal therapy across four German university centers. METHODS Tooth loss in 897 patients in four centers (Kiel (KI) n = 391; Greifswald (GW) n = 282; Heidelberg (HD) n = 175; Frankfurt/Main (F) n = 49) during supportive periodontal therapy (SPT) was assessed. Our outcome was annualized tooth loss per patient. Multivariable linear regression models were built on data of 75 % of patients from one center and used for predictions on the remaining 25 % of this center and 100 % of data from the other three centers. The prediction error was assessed as root-mean-squared-error (RMSE), i.e., the deviation of predicted from actually lost teeth per patient and year. RESULTS Annualized tooth loss/patient differed significantly between centers (between median 0.00 (interquartile interval: 0.00, 0.17) in GW and 0.09 (0.00, 0.19) in F, p = 0.001). Age, smoking status and number of teeth before SPT were significantly associated with tooth loss (p < 0.03). Prediction within centers showed RMSE of 0.14-0.30, and cross-center RMSE was 0.15-0.31. Predictions were more accurate in F and KI than in HD and GW, while the center on which the model was trained had a less consistent impact. No model showed useful predictive values. CONCLUSION While covariates were significantly associated with tooth loss in linear regression models, a clinically useful prediction was not possible with any of the models and generalizability was not given. Predictions were more accurate for certain centers. CLINICAL RELEVANCE Association should not be confused with predictive value: Despite significant associations of covariates with tooth loss, none of our models was useful for prediction. Usually, model accuracy was even lower when tested across centers, indicating low generalizability.
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Long-term costs of post-restorations: 7-year practice-based results from Germany. Clin Oral Investig 2020; 25:2175-2181. [PMID: 32857211 PMCID: PMC7966625 DOI: 10.1007/s00784-020-03529-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 08/14/2020] [Indexed: 11/26/2022]
Abstract
Objectives We evaluated the initial and follow-up treatment costs of different post-restorations in a practice-based German healthcare setting. Methods A total of 139 incisors, canines, or premolars received post-restorations placed by eight general dental practitioners in Germany, and were followed over a mean ± SD 7.1 ± 4.5 years. Preformed metal (MP, n = 68), glass-fiber (GF, n = 28), or cast post-and-core buildups (MC, n = 23) had been used to retain crowns or bridge anchors. Preformed metal and glass-fiber had also been used to retain directly built up post-retained composite restorations (PC, n = 20). Material and treatment costs for the initial post-restorations as well as restorative, endodontic, or surgical re-treatments were estimated from a public-payer-perspective in Germany. Associations between total and annualized total costs and covariates were assessed using generalized linear modeling. The study was registered in the German Clinical Trials Register (DRKS-ID: DRKS00012938). Results MC showed highest initial treatment costs (557.23 Euro), but the least re-treatments (6/23, 26%), while PC showed lowest initial costs (203.52 Euro) but the most re-treatments (11/20, 55%). Costs for MP/GF post-crowns were initially similarly costly (496.47/496.87 Euro), and both also showed similar re-treatments (35%/36%). The overall annual failure rate was 5.2% (MC: 3.5%, MP: 4.6%, GF: 5.3%, PC: 10.3%). Including costs for the resulting re-treatments, mean total costs were 591.66 Euro (MC), 548.31 Euro (MP), 526.37 Euro (GF), and 361.81 Euro (PC). Annualized total costs were 171.36 Euro (MC), 141.75 Euro (MP), 146.12 Euro (GF), and 135.65 Euro (PC). Total and annualized total costs were highest for MC, with PC being the significantly less costly option (p < 0.001). Conclusions Within German healthcare, both initial and follow-up costs for post-restorations were considerable. Saving costs initially may, at least partially, be offset by more complications long-term. Clinical relevance Dentists need to be aware that the placement of posts is not only initially costly but also comes with significant long-term costs for treating occurring complications. This should be communicated with patients and considered during treatment planning. Electronic supplementary material The online version of this article (10.1007/s00784-020-03529-5) contains supplementary material, which is available to authorized users.
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Shi S, Meng Y, Li W, Jiao J, Meng H, Feng X. A nomogram prediction for mandibular molar survival in Chinese patients with periodontitis: A 10-year retrospective cohort study. J Clin Periodontol 2020; 47:1121-1131. [PMID: 32645225 DOI: 10.1111/jcpe.13343] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 06/30/2020] [Accepted: 07/02/2020] [Indexed: 11/27/2022]
Abstract
AIMS To develop a nomogram prediction model of mandibular molar survival by comprehensively analysing clinical and radiographic risk factors of mandibular molar loss. MATERIALS AND METHODS Four hundred and seventy-eight mandibular molars of 139 subjects who underwent non-surgical periodontal treatment were examined retrospectively within a mean follow-up period of 11.1 years. The association of risk factors including clinical and radiographic parameters with mandibular molar loss was assessed using univariate and multivariate Cox regression analyses. A nomogram prediction model was developed, and the validation and discriminatory ability of it were analysed. RESULTS Hundred and four molars were lost in this study. Probing depth (PD), attachment loss (AL), furcation involvement (FI), bleeding on probing (BOP), tooth mobility and radiographic bone loss were significantly associated with tooth loss (p < .01). A gradient effect of degree of FI on mandibular molar loss existed increasing from degree Ⅱ (HR = 2.37, 95% CI: 1.48, 3.79) to Ⅲ (HR = 5.61, 95% CI: 3.01, 10.45) versus none & degree Ⅰ. The area under the curve (AUC) of the model was 0.891. The calibration curve and decision curve analysis demonstrated good performance and high net benefit of nomogram, respectively. CONCLUSIONS A specific nomogram could be adopted to predict the mandibular molar survival and formulate tailored treatment plans in Chinese.
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Affiliation(s)
- Shuwen Shi
- Department of Periodontology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, China
| | - Yang Meng
- Department of Periodontology, Qingdao Municipal Hospital of Stomatology, Qingdao, China
| | - Wenjing Li
- Department of Periodontology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, China
| | - Jian Jiao
- Department of Periodontology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, China
| | - Huanxin Meng
- Department of Periodontology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, China
| | - Xianghui Feng
- Department of Periodontology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, China
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Graetz C, Schwalbach M, Seidel M, Geiken A, Schwendicke F. Oral health‐related quality of life impacts are low 27 years after periodontal therapy. J Clin Periodontol 2020; 47:952-961. [DOI: 10.1111/jcpe.13324] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 05/13/2020] [Accepted: 05/21/2020] [Indexed: 01/17/2023]
Affiliation(s)
- Christian Graetz
- Clinic of Conservative Dentistry and Periodontology University of Kiel Kiel Germany
| | - Maike Schwalbach
- Clinic of Conservative Dentistry and Periodontology University of Kiel Kiel Germany
| | - Miriam Seidel
- Clinic of Conservative Dentistry and Periodontology University of Kiel Kiel Germany
| | - Antje Geiken
- Clinic of Conservative Dentistry and Periodontology University of Kiel Kiel Germany
| | - Falk Schwendicke
- Department of Oral Diagnostics Digital Health and Health Services Research Charité University of Berlin Berlin Germany
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Graetz C, Bäumer A, Eickholz P, Kocher T, Petsos H, Pretzl B, Schwendicke F, Holtfreter B. Long-term tooth retention in periodontitis patients in four German university centres. J Dent 2020; 94:103307. [DOI: 10.1016/j.jdent.2020.103307] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 01/31/2020] [Accepted: 02/26/2020] [Indexed: 10/24/2022] Open
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Nagayama T, Wada J, Watanabe C, Murakami N, Takakusaki K, Uchida H, Utsumi M, Wakabayashi N. Influence of retainer and major connector designs of removable partial dentures on the stabilization of mobile teeth: A preliminary study. Dent Mater J 2020; 39:89-100. [PMID: 31582595 DOI: 10.4012/dmj.2018-272] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The purpose of this study was to investigate the influence of retainers and major connector designs on the stabilization of remaining mobile teeth using removable partial dentures (RPDs). We prepared experimental RPDs with several retainer designs and major connectors for lower Kennedy class I models. The simulated RPD insertion and removal test was conducted and retentive force and mobility of mobile remaining teeth with and without RPD placement were measured throughout a simulation test. Regardless of reduction of retentive force, the placement of RPDs using cast clasps and/or lingual plates resulted in reduced mobility of the remaining teeth than use of wrought wire clasps and/or lingual bars. The results suggested that cast clasps and lingual plates are effective for the stabilization of mobile, remaining teeth. Additionally, the stabilizing effect of RPD on abutment teeth was not diminished, despite decreases in retentive force.
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Affiliation(s)
- Tomiharu Nagayama
- Department of Removable Partial Prosthodontics, Graduate School, Tokyo Medical and Dental University (TMDU)
| | - Junichiro Wada
- Department of Removable Partial Prosthodontics, Graduate School, Tokyo Medical and Dental University (TMDU)
| | - Chie Watanabe
- Department of Removable Partial Prosthodontics, Graduate School, Tokyo Medical and Dental University (TMDU)
| | - Natsuko Murakami
- Department of Removable Partial Prosthodontics, Graduate School, Tokyo Medical and Dental University (TMDU)
| | - Kensuke Takakusaki
- Department of Removable Partial Prosthodontics, Graduate School, Tokyo Medical and Dental University (TMDU)
| | - Hirofumi Uchida
- Department of Removable Partial Prosthodontics, Graduate School, Tokyo Medical and Dental University (TMDU)
| | - Miona Utsumi
- School of Dentistry, Faculty of Dentistry, Tokyo Medical and Dental University (TMDU)
| | - Noriyuki Wakabayashi
- Department of Removable Partial Prosthodontics, Graduate School, Tokyo Medical and Dental University (TMDU)
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Long-Term Outcomes of Tooth-Implant-Supported Rehabilitation of Periodontally Compromised and Treated Patients Refusing Bone Grafting Surgical Therapies. IMPLANT DENT 2019; 28:528-536. [PMID: 31219945 DOI: 10.1097/id.0000000000000847] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To evaluate the long-term incidence of complications in abutment teeth and dental implants in periodontally treated and maintained patients, refusing bone grafting surgical therapies, rehabilitated with full-arch telescopic-retained retrievable prostheses (TRPs) and full-arch fixed prosthesis (FPs), both supported by teeth-implants combination. MATERIALS AND METHODS After active periodontal therapy, 18 patients were rehabilitated with full-arch TRPs, whereas 17 patients were rehabilitated with full-arch FPs. Patients were annually evaluated for technical and/or biological failures/complications. RESULTS During the 15-year observation period, 6 of 164 (3.6%) implants failed and 19 of 233 teeth were extracted (9.2%) in the TRPs group, whereas 6 of 152 (3.9%) implants failed and 23 of 221 (10.4%) abutment teeth were extracted in the FPs group. Differences in implant failures and abutment teeth loss between the 2 groups were not statistically significant. In both the groups, Cox regressions identified significant difference (P < 0.05) for mean initial bone loss, aggressive periodontitis, and smoking, as factors contributing to tooth loss and implant failures in general. CONCLUSION In periodontally treated patients, refusing bone grafting surgical therapies, rehabilitated with full-arch TRPs and full-arch fixed prostheses, both supported by teeth-implants connection, high survival rates can be expected if regular supportive periodontal therapy had been performed.
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12
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Graetz C, Mann L, Krois J, Sälzer S, Kahl M, Springer C, Schwendicke F. Comparison of periodontitis patients' classification in the 2018 versus 1999 classification. J Clin Periodontol 2019; 46:908-917. [PMID: 31152600 DOI: 10.1111/jcpe.13157] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 04/17/2019] [Accepted: 05/20/2019] [Indexed: 11/29/2022]
Abstract
OBJECTIVES We aimed to assess how the 2018 and 1999 classifications of periodontal diseases reflect (a) patients' characteristics, (b) disease severity/extent/progression and (c) tooth loss (TL) during observation period. METHODS A total of 251 patients were followed over 21.8 ± 6.2 years. For the 1999 classification, using clinical attachment level (CAL), patients were classified as localized/generalized, mild/moderate/severe and aggressive/chronic periodontitis. For the 2018 classification, patients were staged according to their CAL or bone loss (BL) and the number of lost teeth (stages I-IV). Further factors like probing pocket depths (PPD) or furcation involvement modified the stage. The extent was sub-classified as generalized/localized. Patients were graded according to the BL/age index, smoking and/or diabetes. RESULTS According to the 1999 classification, most patients suffered from generalized severe chronic periodontitis (203/251) or generalized aggressive periodontitis (45/251). Patients with aggressive periodontitis were younger and less often female or smokers. They showed similar TL (0.25 ± 0.22 teeth/patient*year) as generalized severe chronic periodontitis patients (0.23 ± 0.25 teeth/patient*year). According to the 2018 classification, most patients were classified as generalized III-C (140/251), III-B (31/251) or IV-C (64/251). Patients' age, smoking status, CAL, PPD and BL were well reflected. TL differed between IV-C (0.36 ± 0.47), generalized III-C (0.21 ± 0.24) and localized forms (0.10-0.15). CONCLUSIONS Patients' characteristics, disease severity/extent/progression and TL were well reflected by the 2018 classification.
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Affiliation(s)
- Christian Graetz
- Clinic of Conservative Dentistry and Periodontology, University of Kiel, Kiel, Germany
| | - Lucas Mann
- Clinic of Conservative Dentistry and Periodontology, University of Kiel, Kiel, Germany
| | - Joachim Krois
- Department of Operative and Preventive Dentistry, Charité University of Berlin, Berlin, Germany
| | - Sonja Sälzer
- Clinic of Conservative Dentistry and Periodontology, University of Kiel, Kiel, Germany
| | - Maren Kahl
- Clinic of Conservative Dentistry and Periodontology, University of Kiel, Kiel, Germany
| | - Claudia Springer
- Clinic of Conservative Dentistry and Periodontology, University of Kiel, Kiel, Germany
| | - Falk Schwendicke
- Department of Operative and Preventive Dentistry, Charité University of Berlin, Berlin, Germany
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13
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Helal O, Göstemeyer G, Krois J, Fawzy El Sayed K, Graetz C, Schwendicke F. Predictors for tooth loss in periodontitis patients: Systematic review and meta-analysis. J Clin Periodontol 2019; 46:699-712. [PMID: 31025366 DOI: 10.1111/jcpe.13118] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 03/19/2019] [Accepted: 04/22/2019] [Indexed: 02/06/2023]
Abstract
AIM A range of predictors for tooth loss in periodontitis patients have been reported. We performed a systematic review and meta-analysis to assess the consistency and magnitude of any association between a total of 12 predictors and tooth loss. MATERIALS AND METHODS Medline/Embase/Central were searched for longitudinal studies investigating the association between predictors and tooth loss in periodontitis patients. Random-effects meta-analysis was performed, and study quality assessed. RESULTS Twenty studies (15,422 patients, mean follow-up: 12 years) were included. The mean annual tooth loss/patient was 0.12 (min./max: 0.01/0.36). Older patients (n = 8 studies; OR: 1.05, 95% CI: 1.03-1.08/year), non-compliant ones (n = 11; 1.51, 1.06-2.16), diabetics (n = 7; 1.80, 1.26-2.57), those with IL-1-polymorphism (n = 3; 1.80; 1.29-2.52) and smokers (n = 15; 1.98, 1.58-2.48) had a significantly higher risk of tooth loss. Teeth with bone loss (n = 3; 1.04, 1.03-1.05/%), high probing pocket depth (n = 6; 3.19, 1.70-5.98), mobility (n = 4; 3.71, 1.65-8.38) and molars (n = 4; 4.22, 2.12-8.39), especially with furcation involvement (n = 5; 2.68, 1.75-4.08) also showed higher risks. Gender (n = 16; 0.95, 0.86-1.05) and endodontic affection (n = 3; 3.62, 0.99-13.2) were not significantly associated with tooth loss. CONCLUSIONS Older, non-compliant, smoking or diabetic patients, and teeth with bone loss, high probing pocket depth, mobility, or molars, especially with furcation involvement showed higher risks of tooth loss.
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Affiliation(s)
- Omar Helal
- Department of Operative and Preventive Dentistry, Charité University of Berlin, Berlin, Germany
| | - Gerd Göstemeyer
- Department of Operative and Preventive Dentistry, Charité University of Berlin, Berlin, Germany
| | - Joachim Krois
- Department of Operative and Preventive Dentistry, Charité University of Berlin, Berlin, Germany
| | - Karim Fawzy El Sayed
- Clinic of Conservative Dentistry and Periodontology, University of Kiel, Kiel, Germany.,Oral Medicine and Periodontology Department, Faculty of Oral and Dental Medicine, Cairo, Egypt
| | - Christian Graetz
- Clinic of Conservative Dentistry and Periodontology, University of Kiel, Kiel, Germany
| | - Falk Schwendicke
- Department of Operative and Preventive Dentistry, Charité University of Berlin, Berlin, Germany
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Graetz C, Ostermann F, Springer C, Schwendicke F. Survival and maintenance efforts of adhesively attached extracted teeth in periodontitis patients. J Dent 2019; 83:56-60. [PMID: 30862558 DOI: 10.1016/j.jdent.2019.02.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Revised: 02/10/2019] [Accepted: 02/12/2019] [Indexed: 10/27/2022] Open
Abstract
OBJECTIVES For extracted teeth in periodontitis patients, adhesively attaching their crown to the adjacent teeth temporarily closes the otherwise resulting gap, allowing to postpone more comprehensive prosthetic treatment to a more appropriate time if required. This study assessed the survival and maintenance efforts of adhesively attached extracted tooth crowns ('immediate pontics'; IPs). METHODS Patients receiving active and supportive periodontal treatment involving IPs in a university setting were retrospectively assessed. Survival and repairs of IPs were recorded. Multilevel Cox and linear regression analyses were performed to assess factors associated with survival and maintenance efforts. RESULTS Twenty-seven patients (male/female: 12/15) with 34 IPs (maxilla/mandible: 13/21) were followed over mean ± SD 8.0 ± 5.0 [range: 2.0-19.3] years. At baseline 85.2% suffered from periodontitis stage II or III and 59.3% showed rapid progression (grade C). The mean (95% CI) survival time of splinting was 5.3 ± 3.8 [range: 0.1-18.0] years. Three IPs had been removed without any significant association with patient- or tooth-level factors. 35.3% of the IPs (n = 12) required a repair, with a mean of 0.5 ± 0.9 [0-3] repairs per IP (annual: 0.1 ± 0.2 [0-0.5]). The risk of repairs significantly increased with patients' age (p = 0.018). CONCLUSION IPs showed moderate survival. However, to maintain IPs, frequent repairs were needed. CLINICAL SIGNIFICANCE Immediately and adhesively attached crowns of extracted teeth in periodontitis patients seems like a valid, albeit temporary strategy which may allow to postpone more comprehensive prosthetic treatment if required, for example during active periodontal therapy. However, to maintain immediate pontics, frequent repairs were needed.
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Affiliation(s)
- Christian Graetz
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian-Albrechts-University of Kiel Kiel, Arnold-Heller-Straße 3, Haus 26, 24105 Kiel, Germany.
| | - Freda Ostermann
- Department of Prosthodontics, Propaedeutics and Dental Material, Christian-Albrechts-University of Kiel, Arnold-Heller-Straße 3, Haus 26, 24105 Kiel, Germany
| | - Claudia Springer
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian-Albrechts-University of Kiel Kiel, Arnold-Heller-Straße 3, Haus 26, 24105 Kiel, Germany
| | - Falk Schwendicke
- Department of Operative and Preventive Dentistry, Charité University of Berlin, Aßmannshauser Straße 6, 14197 Berlin, Germany
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15
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Long-term survival and maintenance efforts of splinted teeth in periodontitis patients. J Dent 2019; 80:49-54. [DOI: 10.1016/j.jdent.2018.10.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 10/18/2018] [Accepted: 10/25/2018] [Indexed: 12/18/2022] Open
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16
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Schwendicke F, Schmietendorf E, Plaumann A, Sälzer S, Dörfer CE, Graetz C. Validation of multivariable models for predicting tooth loss in periodontitis patients. J Clin Periodontol 2018; 45:701-710. [DOI: 10.1111/jcpe.12900] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/26/2018] [Indexed: 11/28/2022]
Affiliation(s)
- Falk Schwendicke
- Department of Operative and Preventive Dentistry; Charité University of Berlin; Berlin Germany
| | - Elisa Schmietendorf
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Anna Plaumann
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Sonja Sälzer
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Christof E. Dörfer
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Christian Graetz
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
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17
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Schwendicke F, Biffar AS, Graetz C. Long-term treatment costs for aggressive periodontitis in a German population. J Clin Periodontol 2017; 44:1245-1252. [DOI: 10.1111/jcpe.12814] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/08/2017] [Indexed: 12/28/2022]
Affiliation(s)
- Falk Schwendicke
- Department of Operative and Preventive Dentistry; Charité - Universitätsmedizin Berlin; Berlin Germany
| | - Anne Sophie Biffar
- Clinic for Conservative Dentistry and Periodontology; Christian-Albrechts-University; Kiel Germany
| | - Christian Graetz
- Clinic for Conservative Dentistry and Periodontology; Christian-Albrechts-University; Kiel Germany
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18
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Watanabe C, Wada J, Mizutani K, Watanabe H, Wakabayashi N. Chronological grey scale changes in supporting alveolar bone by removable partial denture placement on patients with periodontal disease: A 6-month follow-up study using digital subtraction analysis. J Dent 2017; 63:8-13. [PMID: 28478215 DOI: 10.1016/j.jdent.2017.05.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 04/27/2017] [Accepted: 05/02/2017] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVES The purpose was to assess the early effects of removable partial denture (RPD) placement on abutment teeth in patients with periodontal disease. METHODS Fifteen distal-extension RPDs and 19 abutment teeth were evaluated in 13 patients with moderate-to-severe periodontal diseases. Clinical periodontal records and grey level (GL) score based on digital subtraction radiography were measured on the day of denture placement (baseline) and at 1day, 1 week, 1 month, 3 months, and 6 months after the placement. Occlusal force on total dentition (Ft) and abutment tooth (Fa) were recorded with (baseline) and without denture on the day of the placement, and with denture in the follow-up examinations. RESULTS No statistically significant difference between a follow-up period and the baseline was found in the clinical periodontal and occlusal force records, except for Ft with denture on the day of the placement, which was significantly lower than the baseline (p<0.05). The GL at distal crestal of the abutment was significantly higher at 1 week after the placement than at the baseline (p<0.05), while the scores of following examinations returned to the baseline level. CONCLUSIONS The distal crestal bone of the abutment tooth transitorily reacts to mechanical stress due to the denture placement, while this does not suggest a detrimental effect within the limitation of the study design with a short-term observation period. CLINICAL SIGNIFICANCE The RPDs can be safely used for patients with periodontal diseases for at least 6 months if they are properly placed and maintained by professional care.
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Affiliation(s)
- Chie Watanabe
- Department of Removable Partial Prosthodontics, Graduate School, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Junichiro Wada
- Department of Removable Partial Prosthodontics, Graduate School, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Koji Mizutani
- Department of Periodontology, Graduate School, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Hiroshi Watanabe
- Department of Oral and Maxillofacial Radiology, Graduate School, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Noriyuki Wakabayashi
- Department of Removable Partial Prosthodontics, Graduate School, Tokyo Medical and Dental University (TMDU), Tokyo, Japan.
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19
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Graetz C, Sälzer S, Plaumann A, Schlattmann P, Kahl M, Springer C, Dörfer C, Schwendicke F. Tooth loss in generalized aggressive periodontitis: Prognostic factors after 17 years of supportive periodontal treatment. J Clin Periodontol 2017; 44:612-619. [DOI: 10.1111/jcpe.12725] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/21/2017] [Indexed: 12/31/2022]
Affiliation(s)
- Christian Graetz
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Sonja Sälzer
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Anna Plaumann
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Peter Schlattmann
- Institute of Medical Statistics; Computer Sciences and Documentation; Jena University Hospital; Jena Germany
| | - Maren Kahl
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Claudia Springer
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Christof Dörfer
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Falk Schwendicke
- Department of Operative and Preventive Dentistry; Charité University of Berlin; Berlin Germany
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20
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Effect of periodontitis history on implant success: a long-term evaluation during supportive periodontal therapy in a university setting. Clin Oral Investig 2017; 22:235-244. [DOI: 10.1007/s00784-017-2104-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 03/13/2017] [Indexed: 12/14/2022]
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21
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Graetz C, Plaumann A, Schlattmann P, Kahl M, Springer C, Sälzer S, Gomer K, Dörfer C, Schwendicke F. Long-term tooth retention in chronic periodontitis - results after 18 years of a conservative periodontal treatment regimen in a university setting. J Clin Periodontol 2017; 44:169-177. [DOI: 10.1111/jcpe.12680] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/22/2016] [Indexed: 12/12/2022]
Affiliation(s)
- Christian Graetz
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Anna Plaumann
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Peter Schlattmann
- Institute of Medical Statistics, Computer Sciences and Documentation; Jena University Hospital; Jena Germany
| | - Maren Kahl
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Claudia Springer
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Sonja Sälzer
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Konstantin Gomer
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Christof Dörfer
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Falk Schwendicke
- Department of Operative and Preventive Dentistry; Charité University of Berlin; Berlin Germany
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22
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Dokou P, Karoussis IK, Papavasiliou G, Kamposiora P, Vrahopoulos TP, Vrotsos JA. Osseointegration of Dental Implants in a Patient with Hajdu-cheney Syndrome. Open Dent J 2016; 10:575-586. [PMID: 27857819 PMCID: PMC5093869 DOI: 10.2174/1874210601610010575] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2016] [Revised: 09/02/2016] [Accepted: 10/06/2016] [Indexed: 11/22/2022] Open
Abstract
Background: Hajdu-Cheney Syndrome (HCS) is a rare hereditary bone metabolism disorder characterized by acro-osteolysis, short stature, craniofacial changes, periodontitis and premature tooth loss. Extensive search of the current literature revealed no reports of implant placement in patients with HCS. Case Report: A 22-year old woman with osteoporosis, generalized advanced chronic periodontitis and premature tooth loss was referred to the Postgraduate Clinic of Periodontology, University of Athens-Greece. The patient was diagnosed in 2001 with HCS. The patient received non-surgical periodontal treatment and several teeth were extracted due to extensive alveolar bone loss. After careful consideration of the possible implications deriving from the patient’s condition and having taken her young age into account, initially, a dental implant was placed in the upper right first premolar region. Specific protocols such as longer healing periods were implemented, so five years after placement and successful osseointegration of this implant, four additional dental implants were placed in the posterior regions of the maxilla and the mandible. Prosthetic rehabilitation followed 6 months after implant placement. Upon completion of periodontal treatment, the patient was enrolled in a periodontal maintenance program. Results: Clinical and radiographic examination of the patient during the periodontal maintenance program after implant placement revealed no abnormalities in the implant region. Conclusion: Patients with HCS suffer from periodontitis, bone destruction and premature tooth loss. This case indicates the successful osseointegration of dental implants in patients with HCS. However, further research is required in order to determine the predictability of dental implant placement in those patients.
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Affiliation(s)
- Panagiota Dokou
- Department of Periodontology, School of Dentistry, University of Athens, Greece
| | - Ioannis K Karoussis
- Department of Periodontology, School of Dentistry, University of Athens, Greece
| | - George Papavasiliou
- Department of Prosthodontics, School of Dentistry, University of Athens, Greece
| | - Phophi Kamposiora
- Department of Prosthodontics, School of Dentistry, University of Athens, Greece
| | | | - John A Vrotsos
- Department of Periodontology, School of Dentistry, University of Athens, Greece
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23
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Schwendicke F, Plaumann A, Stolpe M, Dörfer CE, Graetz C. Retention costs of periodontally compromised molars in a German population. J Clin Periodontol 2016; 43:261-70. [PMID: 27001032 DOI: 10.1111/jcpe.12509] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/03/2016] [Indexed: 11/26/2022]
Abstract
AIM This study assessed the long-term costs per retention year for periodontally affected molars. METHODS A cohort of 379 compliant subjects was retrospectively evaluated. Periodontal, restorative, endodontic, prosthetic and surgical treatment costs were estimated based on fee items of the private German health insurance. Costs/year were calculated and the impact of tooth- and subject-related factors on this cost-effectiveness ratio assessed using generalized linear-mixed modelling. RESULTS 2306 molars received non-regenerative initial and supportive therapy and were followed until extraction or censoring (in mean (SD): 16.5 [6.8] years). Per year, 0.07 (SD: 0.12) deep scalings, 0.04 (0.11) open flap debridements, 0.01 (0.04) resective therapies and 2.49 (0.12) SPTs had been provided. Few teeth received non-periodontal treatments. Costs/year decreased significantly with each tooth a patient had at baseline (mean difference: -0.01, 95% CI: -0.02/-0.01 Euro/year), and increased with each mm of probing-pocket depth (0.04 [0.03/0.06] Euro/year), in upper (0.07 [0.11/0.31] Euro/year) or mobile molars (up to 0.33 [0.18/0.48] Euro/year), those with bone loss (up to 0.11 [0.04/0.17] Euro/year), endodontic treatment (0.24 [0.15/0.33] Euro/year), peri-apical lesions (0.24 [0.11/0.38]) and prosthetic treatment (0.54 [0.49/0.59] Euro/year). CONCLUSIONS Annual costs for retaining periodontally affected molars were limited, and associated mainly with tooth-level factors.
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Affiliation(s)
- Falk Schwendicke
- Department of Operative and Preventive Dentistry, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Anna Plaumann
- Clinic for Conservative Dentistry and Periodontology, Christian-Albrechts-University, Kiel, Germany
| | | | - Christof E Dörfer
- Clinic for Conservative Dentistry and Periodontology, Christian-Albrechts-University, Kiel, Germany
| | - Christian Graetz
- Clinic for Conservative Dentistry and Periodontology, Christian-Albrechts-University, Kiel, Germany
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24
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Graetz C, Schützhold S, Plaumann A, Kahl M, Springer C, Sälzer S, Holtfreter B, Kocher T, Dörfer CE, Schwendicke F. Prognostic factors for the loss of molars - an 18-years retrospective cohort study. J Clin Periodontol 2015; 42:943-50. [DOI: 10.1111/jcpe.12460] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/17/2015] [Indexed: 02/02/2023]
Affiliation(s)
- Christian Graetz
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Svenja Schützhold
- Unit of Periodontology; School of Dentistry; University of Greifswald; Greifswald Germany
| | - Anna Plaumann
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Maren Kahl
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Claudia Springer
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Sonja Sälzer
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Birte Holtfreter
- Unit of Periodontology; School of Dentistry; University of Greifswald; Greifswald Germany
| | - Thomas Kocher
- Unit of Periodontology; School of Dentistry; University of Greifswald; Greifswald Germany
| | - Christof E. Dörfer
- Clinic of Conservative Dentistry and Periodontology; University of Kiel; Kiel Germany
| | - Falk Schwendicke
- Department of Operative and Preventive Dentistry; Charité University of Berlin; Berlin Germany
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25
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Schwendicke F, Graetz C, Stolpe M, Dörfer CE. Retaining or replacing molars with furcation involvement: a cost-effectiveness comparison of different strategies. J Clin Periodontol 2014; 41:1090-7. [DOI: 10.1111/jcpe.12315] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/18/2014] [Indexed: 01/24/2023]
Affiliation(s)
- Falk Schwendicke
- Department of Operative and Preventive Dentistry; Charité - Universitätsmedizin; Berlin Germany
| | - Christian Graetz
- Clinic for Conservative Dentistry and Periodontology; Christian-Albrechts-University; Kiel Germany
| | | | - Christof Edmund Dörfer
- Clinic for Conservative Dentistry and Periodontology; Christian-Albrechts-University; Kiel Germany
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