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Correlation between the Bizygomatic Distance and the Width of the Upper Central Incisor in the Cameroonian Melanoderma Adult

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Open Journal of Stomatology 2022年第10期12卷 294-304页

作者： Achoundong Makeumo Ericka Flavie Kumpanya Ntumba Pierrot Njajou Omer Agbor Michael sekele isouradi bourley jean paul Nyimi Bushabu Fidele Faculty of Dental Surgery University of the Mountains Bangangte Cameroon Department of Prosthodontics and Orthodontics Faculty of Dental Medicine University of Kinshasa Kinshasa Democratic Republic of the Congo Department of Oral and Maxilla-Facial Surgery Service of Oral Maxillofacial-Head and Neck Oncology Surgery Faculty of Dental Medicine University of Kinshasa Kinshasa Democratic Republic of the Congo

Bizygomatic distance is a relevant reference used to assist and to guide the choice of antero superior prosthetic teeth, especially when no information about the natural teeth was available. The aim of the present paper was to determine the distance between the canine tips from a bizygomatic distance and to estimate the width of the upper central incisor in normal-dental-facial indices of Cameroonians. Materials and methods: A cross-sectional study of 900 normal Cameroonians of both sexes was conducted. Measurements of bizygomatic distance, distance between the two upper pointers and the mesio-distal width of the upper central incisor were made with a manual and a digital caliper respectively. The equation for calculating the distance of higher canine pointers from the bizygomatic distance was DCT = 0.081 (BZD) + 26.201. The width prediction of the central incisor was obtained by the following formula: WUCI = 6.252 + 0.019 (BZD) + 0.035(DCT) + 0.062 (Reg cul) + (?0.479) sex. *** represents the cultural region of origin. Results: Female sex was represented by 56.6% against 43.30% males. The average age was 37± (32 SD) years. The average value of the bizygomatic distance was 130.23 mm, the width of the upper central incisor was 9.39 mm while the distance between the two upper canine pointers was 36.70 mm. Significant correlations between bizygomatic distance, the distance between the two canine pointers, and the width of the upper central incisor were found (P = 0.000). Conclusion: The width of the central incisor and the distance between the two upper canine pointers may be determined by the non-invasively method of the bizygomatic distance in the perspective of choosing the teeth for dental prosthesis.

关键词： Bizygomatic Distance Dental Prosthesis Cameroonian Melanoderma Facial Indices

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Determinants Factors for the Choice of the Width Prosthetic Upper Central Incisor: Review of the Literature

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Open Journal of Stomatology 2020年第11期10卷 333-340页

作者： Kumpanya Ntumba Pierrot sekele isouradi bourley jean paul Kasiama Mudogo Nzanzu Celestin Mantshumba Milolo Augustin Lutula Pene Shenda Joseph Bolenge Nyimi Bushabu Fidele Department of Dental Medicine Prosthodontics and Orthodontics Service Faculty of Medicine University of Kinshasa Kinshasa Democratic Republic of Congo Department of Dental Medicine Oral and Maxillofacial Surgery Service Faculty of Medicine Kinshasa University Kinshasa Democratic Republic of Congo Department of Dental Medicine Periodontology Unit Faculty of Medicine Kinshasa University Kinshasa Democratic Republic of Congo

Materials and Methods: The authors conducted a review of the literature around the theme, determinants of the choice of the width of the upper central incisor (WUCI), through search web including Pub Med, Inari and Google. Fifteen of the most recent publications since 2005 have been selected from twenty publications. Sample size (n), age range (AR), average bi zygomatic distance (BZD), choice determinants, type of study, and mathematical formula between WUCI and BZD were the study’s interest variables. Sociodemographic characteristics, facial anatomical marks and the size of the patient’s teeth for anterosuperior were the main factors to be assessed. Results: Out of 22 included articles, the Asian continent represents 59% in which India is the leading country with 27.3% followed by American 22.8%. The most Determinants choice for the width upper central incisor in craniofacial and anterior teeth method from the published papers were BZD (100%;n = 22) and WUCI (81.8%;n = 18). Conclusion: Application of mathematical formulation maybe help to predict the exact width of the upper central incisor.

关键词： Choice Determinants Width Upper Central Incisor Prosthetic Completed Edentulous

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Relationship between Inter Canine Width and Inter Alar Width, Inter Commissural Width, and Inter Canthal Distance: A Pilot Study

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Open Journal of Stomatology 2024年第6期14卷 279-290页

作者： Grevisse Bindele Ndombolo Augustin Mantshumba Milolo Fidele Nyimi Bushabu Em Kalala Kazadi Pierrot Kumpanya Ntumba jean Marie Kayembe Bukama Elias Lubadi Tshilumba jean paul sekele isouradi Department of Prosthodontics Teaching Hospital of Kinshasa University Kinshasa Democratic Republic of the Congo National Center of Research in Dental Sciences Kinshasa Democratic Republic of the Congo Department of Oral and Maxillofacial Surgery Teaching Hospital of Kinshasa University Kinshasa Democratic Republic of the Congo Department of Periodontology Teaching Hospital of Kinshasa University Kinshasa Democratic Republic of the Congo Department of Operative Dentistry Teaching Hospital of Kinshasa University Kinshasa Democratic Republic of the Congo

The aim of this study was to determine the relationship between inter canine width (ICW) and inter alar width (IAW), inter commissural width (ICoW), and inter canthal distance (ICaD) in Bantu population. Materials and Methods: It was a pilot study included all participants who were aged at least 18 years, without a history of orthodontics treatment from Prosthodontics Department, Faculty of Dental Medicine, University of Kinshasa. The Ethics committee of the National Center of Research for Dental Sciences in DR Congo approved the study protocol (CNRSB 1504.218). The participants medical records were obtained from the interview and dental examination. Nature of the study was explained with participant information sheet, and an informed consent of all participants was obtained. The inclusion criteria were no missing maxillary and mandibular teeth, no diastema, and no anterior restorations, 18 years old before enrollment in the study. The exclusion criteria were inability to meet the above requirements, pregnancy, and refusal to participate in the study. The inter-canine width (ICW), inter alar width (IAW), inter canthal distance (ICaD) and inter-commissural width (ICoW) of each participant were measured with a digital Vernier caliper (Mitutoyo, UK Ltd.,) (0.01 mm) three times and the average value was recorded. The inter canthal distance (ICaD) was measured without applying pressure by bringing the recording parts of the caliper just in contact with the medial angle. The inter alar width (IAW) was marked with a fine marked pencil on the widest outer surface of the alae of the nose on either side or width. Those two points were measured without applying pressure by bringing the recording parts of the caliper just in contact with the outer surface. The participant was told to stop breathing shortly to avoid any change in shape of the nose. The inter-commissural width (ICoW) was determined by measuring the maxillary lip vermilion from commissure to commissure without the

关键词： Relationship Inter-Canine Width Inter Alar Width Inter Canthal Distance Inter Commissural Width

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Average Odontometric Value of the Width of the Upper Central Incisor in the Congolese Bantu of Kinshasa, Democratic Republic of Congo

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Open Journal of Stomatology 2022年第3期12卷 77-86页

作者： Kumpanya Ntumba Pierrot sekele Isourady bourley jean paul sekele Marob Ndjock Patrick Nyimi Bushabu Fidele Kayembe Bukama jean Marie Mudogo Nzanzu Celestin Kashiya Muamba Hyves Mantshumba Milolo Agustin Ntumba Mulumba Hybert Oral and Maxillofacial Prosthodontics Service Department of Dental Medicine Faculty of Medicine University of Kinshasa Kinshasa Democratic Republic of Congo Periodontology Unit Department of Dental Medicine Faculty of Medicine University of Kinshasa Kinshasa Democratic Republic of Congo Oral and Maxillofacial Service Department of Dental Medicine Faculty of Medicine University of Kinshasa Kinshasa Democratic Republic of Congo Operative Dentistry Service Department of Dental Medicine Faculty of Medicine University of Kinshasa Kinshasa Democratic Republic of Congo Department of Basic Sciences Faculty of Medicine University of Kinshasa Kinshasa Democratic Republic of Congo Department of Epidemiology and Biostatistics School of Public Health of Kinshasa University of Kinshasa Kinshasa Democratic Republic of Congo

Objective: The aim of this study was to determine the average values of width of the upper central incisor (WUCI) in Congolese Bantu and compare them to those of Caucasians and Asiatic. Material and Methods: It was a prospective cross-sectional study carried out at the Université de Kinshasa on the Congolese Bantu, Department of Dental Medicine, from March 2020 to March 2021. A maxillary imprint was taken by Jeltrate-type alginate. The measurement of two healthy upper central incisors (UCI) was carried out by the hard plaster casting type 4, with a brand caliper, carbon fiver composite mark. The study was approved by the Ethics Committee of the School of Public Health in the Université de Kinshasa and verbal consent was obtained from each participant. Results: The Average Width of the UCI was 8.74 mm ± 0.56. The average width of the right Upper Central incisor (RUCI) and the left UCI (LUCI) was 8.71 mm ± 0.57 and 8.77 mm ± 0.56, respectively. The average width of the RUCI and LUCI was not the same for men and women (p 0.001). A significant difference was observed between the average of the RUCI and the 18 - 28 and 40 - 50 age group (p = 0.056) as well as for the average LUCI (p = 0.085). The width average of UCI between the Congolese Bantu with those of Caucasians and Asians was significantly different (p = 0.000 and p = 0.009). Conclusion: The average width of the RUCI and LUCI was different among sex and age group. The average width of UCI of the Congolese Bantu is different from that of Caucasians and Asians.

关键词： Odontometry Average Width Upper Central Incisor Congolese Bantu

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Prosthetic Status of Partially Edentulous Congolese Adults and Causes of Non-Prosthetic Rehabilitation

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Open Journal of Stomatology 2022年第12期12卷 355-362页

作者： Guyguy Mayunga Désiré Mashinda jean-paul sekele Jacques Bolenge Daniel Tokembe Grevisse Bindele Cedrick Makonko Joseph Lutula Dental Prosthesis Department Faculty of Dental Medicine University of Kinshasa Kinshasa DR Congo Public Health School of Kinshasa Faculty of Medicine University of Kinshasa Kinshasa DR Congo Periodontology Department Faculty of Dental Medicine University of Kinshasa Kinshasa DR Congo

Context: Prosthetic treatments for partial edentulism aim to restore or improve oral functions such as mastication, phonation and aesthetics. They have an impact on nutritional status, general health and quality of life. Objectives: To determine the frequency and determinants of wearing dental prostheses in partial edentulous Congolese adults as well as the reasons of prosthetic non-rehabilitation. Methods: Partial edentulous patients attending five medical-dental centers in Kinshasa were included in this cross-sectional study. Each patient completed a questionnaire and underwent a clinical examination. Chi-square test was used for searching associations between variables and logistic regression for determinants. The significance level was 0.05. Results: Three hundred partial edentulous patients with an average age of 40.3 ± 15.9 years participated in this study. 11% (CI: 7.5% and 14.5%) of partial edentulous Congolese adults wore a dental prosthesis. Age was the independent determinant of denture wearing. Young adults (under 30) were 5 times more likely to not wear dentures than older people. The absence of discomfort was the major reason for not prosthetic rehabilitation (32%) followed by finances (30%). Conclusion: Very few partially edentulous Congolese adults were prosthetics wearer. Age was the only determinant.

关键词： Prosthetic Status Determinants Congolese

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Profile of Aggressive and Chronic Periodontitis in Kinshasa Dental Hospitals, DR Congo

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Open Journal of Stomatology 2017年第10期7卷 439-447页

作者： Em Kalala Kazadi Steve sekele Masin Nyimi Bushabu Fidele Isourady bourley jean paul sekele Jacques Bolenge Augustin Mantshumba Ingaya Ediz Ekofo Mulumba Hubert Ntumba Unit of Oral Periodontics Surgery Stomatology Service Affiliated Hospital of Kinshasa University Kinshasa DR Congo Informatics and Mathematics Department Faculty of Sciences Kinshasa University Kinshasa DR Congo Oral and Maxillofacial Surgery Affiliated Hospital of Kinshasa University Kinshasa DR Congo Oral and Maxillofacial Surgery School of Stomatology Wuhan University Wuhan China Prosthodontics and Orthodontics Service Affiliated Hospital of Kinshasa University Kinshasa DR Congo

Periodontitis is a prevalent destructive gum disease, characterized by loss of tissues supporting the teeth. The two main forms, chronic and aggressive have not been assessed in Kinshasa, DR Congo. Aim: The aim of this study was to investigate the Prevalence and the pattern of chronic periodontitis (CP) and aggressive periodontitis (AP) in order to improve its management. Materials and Methods: A cross sectional study of 404 subjects attending the dental services of the four hospitals of Kinshasa city, from October 2013 to April 2014 was carried out. The plaque index (PlI), bleeding on probing (BOP), probing pocket depth (PPD) and frequency of tooth brushing (FTB) were the parameters assessed. The SPSS software version 20.0 was used. Results: Out of 404 patients examined, 322 (79.7%) had chronic periodontitis versus to 44 (10.9%) of aggressive periodontitis. The female was higher than males with a sex ratio of 1.49:1 and the age group between 20 and 29 was the most represented. PPP of ≥6 mm was found in 24.6%, 5 or 5.5 mm in 27.3% and PPP of 3.5 to 4.5 mm in 48.1% of patients with periodontitis. Significant difference was found between CP and AP according to age variable, p-value < 0.001. PlI for CP was 0.97 (SD ± 0.38) while that for AP was 0.90 (SD ± 0.43). No significant differences were found between PlI, p-value = 0.47;FTB (p = 0.055) and BOP of subjects with AP and those with CP (p = 0.105). Conclusion: The two main forms of periodontitis diseases are more prevalent in patients attending dental services in Kinshasa and affect male as well as female. Age remains an essential variable to distinguish between CP and AP.

关键词： Prevalence Profile Aggressive Periodontitis Chronic Periodontitis Probing Pocket Depth

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Determination of the Root Canal Length of Teeth of Bantu Patients Attending the Teaching Hospital of Kinshasa University

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Open Journal of Stomatology 2018年第1期8卷 16-23页

作者： jean Marie Kayembe Bukama jean paul sekele Issourdi Fidele Nyimi Bushabu Augustin Mantshumba Milolo Steve sekele Masin M. A. Agbor Dieudonne Nyembue Tshipukana Alain Nyengele Kayembe Hubert Ntumba Mulumba Endodontic Unit Service of Operative Dentistry Teaching Hospital of Kinshasa University Kinshasa Democratic Republic of Congo Prosthodontics Services Teaching Hospital of Kinshasa University Kinshasa Democratic Republic of Congo Oral and Maxillofacial Surgery Teaching Hospital of Kinshasa University Kinshasa Democratic Republic of Congo Department of Oral Maxillofacial Head and Neck Oncology School and Hospital of Stomatology Wuhan University Wuhan China Department of Mathematics and Computer Science Faculty of Science University of Kinshasa Kinshasa Democratic Republic of Congo Universite des Montagne Dental School Bangangté Cameroon Department of Otorhinolaryngology (ENT) Teaching Hospital of Kinshasa University Kinshasa Democratic Republic of Congo

Background: There is paucity of literature on the determination of the root canal length of Bantu subjects in dental professional practicing in Africa and Democratic Republic of Congo in particular. Aims: The aim of the present study was to determine the root canal length of teeth of Bantu patients extracts attending the Teaching Hospital of Kinshasa University. Methods and Material: Prospective cross-sectional study was carried out in the service of Conservative Dentistry. The patients suffering with pulpitis of permanent teeth which were selected for root canal treatment during the period of January 2014 to December 2016 were included. All patients whose main root canals were inaccessible, teeth carrying prosthesis, teeth with large coronal decay, teeth having periapical periodontitis, supernumerary teeth, wisdom and primary teeth were excluded. Results: The upper canines presented some significant longer canals compared to the lower canine (23.4 ± 2.3 mm and 21.6 ± 1.8 mm). Palatal canals of the first and second molar were respectively longer as compared to the superior teeth canals (21.5 ± 1 mm, 21.3 ± 2 mm). The distal canals of the first and second molar were the longest in the mandibular arch respectively measuring 20.7 ± 2.0 mm and 21.5 ± 1.7 mm. Conclusion: Data obtained from Bantu patients show slightly shorter roots compared to some European populations, but longer than some Asian populations.

关键词： Bantu Length Root Canal X-Ray

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Frequency and Profile of Severe Periodontitis in Kinshasa Dental Hospitals, DR Congo

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Health 2018年第4期10卷 396-402页

作者： Em K. Kalala Fidèle B. Nyimi Béatrice K. Ngamala jean-paul I. sekele Alain K. Nyengele Pierre M. Muyembi Jacques I. Bolenge Hubert M. Ntumba Unit of Periodontology Department of Dental Medicine Faculty of Medicine University of Kinshasa Kinshasa Democratic Republic of Congo Service of Stomatology and Maxillo-Facial Surgery Department of Dental Medicine Faculty of Medicine University of Kinshasa Kinshasa Democratic Republic of Congo Béatrice Ngamala Kabongo: DDS Private Practice Kinshasa Democratic Republic of Congo Service of Prosthodontics and Orthodontics Department of Dental Medicine Faculty of Medicine University of Kinshasa Kinshasa Democratic Republic of Congo

Purpose: Severe periodontitis (SP) is the sixth most prevalent disease world-wide. Prevalence and incidence are poorly reported in DR Congo. The aim of this study was to assess the prevalence of SP and to compare its profile with that of mild to moderate periodontitis (MMP). Materials and Methods: Four hundred and four patients from four hospitals of Kinshasa City Capital participated in this study. Probing pocket depth (PPD) at six sites per tooth, bleeding on probing (BoP) and plaque index (PIl) were the main clinical parameters assessed. Results: Out of 404 patients examined in this study, 92 (22.8%) had severe periodontitis and 276 (68.3%) had mild to moderate periodontitis. Among patients with SP, 48 (52%) were female, 44 (48%) were male and 63% of them had a PPD of 6 mm. SP was significantly different from MMP according to patients age, 47.3 ± 18.6 versus 32.87 ± 14.40 years old, p < 0.001;plaque index, 1.153 ± 0.39 versus 0.90 ± 0.39, p < 0.001;BoP, 26.65 versus 17.04, p < 0.001. Conclusion: The Frequency of SP is relatively high in patients attending dental services in Kinshasa City and SP is significantly different from MMP.

关键词： Bleeding on Probing Mild/Moderate Periodontitis Prevalence Probing Pocket Depth Severe Periodontitis

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