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Jain R, Pisulkar SG, Dubey SA, Bansod A, Beri A, Deshmukh S. Influence of Crown Height and Width on Marginal Bone Loss and Long-Term Stability of Dental Implants: A Systematic Review. Cureus 2024; 16:e65109. [PMID: 39171029 PMCID: PMC11338648 DOI: 10.7759/cureus.65109] [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: 07/02/2024] [Accepted: 07/22/2024] [Indexed: 08/23/2024] Open
Abstract
Still, a major focus of research in implantology is how crown height and width affect marginal bone loss (MBL) and the long-term durability of dental implants. Maximizing the success of implants and lowering problems depends on an awareness of these elements. Following the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines, this systematic review searched pertinent studies across several databases using keywords unique to databases. Studies on MBL and long-term implant stability evaluated in the review included those on crown height and width, horizontal and vertical cantilevers, and prosthesis dimensions. In the chosen studies, we found that both implant success and crestal bone loss were greatly influenced by crown height and width. Particularly in the posterior sections, horizontal cantilevers were connected to both increasing MBL and mechanical problems. Vertical cantilevers also affected MBL; however, their impacts were more obvious in circumstances with greater crown heights. Greater prosthesis widths, especially in the mandibular molar area, were linked to higher MBL. Bone density and insertion torque (IT) were the main determinants of MBL, more than the primary implant stability quotient. Early MBL was influenced by abutment height, mucosal thickness, and implant insertion depth; bone levels stabilized six months later. Short implants allow single crowns to be supported, but in some cases, a higher failure rate was seen. The success and stability of dental implants were found to be mostly dependent on crown height, width, and cantilever design. MBL and long-term stability are greatly influenced by horizontal and vertical cantilevers, which calls for careful design and planning. With specific care for bone density, IT, and early MBL stabilization, both short and standard implants can produce equivalent results. These results highlight the need for customized treatment plans to maximize implant success and lifetime.
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Affiliation(s)
- Ritul Jain
- Department of Prosthodontics and Crown and Bridge, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education & Research, Wardha, IND
| | - Sweta G Pisulkar
- Department of Prosthodontics and Crown and Bridge, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education & Research, Wardha, IND
| | - Surekha A Dubey
- Department of Prosthodontics and Crown and Bridge, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education & Research, Wardha, IND
| | - Akansha Bansod
- Department of Prosthodontics and Crown and Bridge, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education & Research, Wardha, IND
| | - Arushi Beri
- Department of Prosthodontics and Crown and Bridge, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education & Research, Wardha, IND
| | - Shruti Deshmukh
- Department of Prosthodontics and Crown and Bridge, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education & Research, Wardha, IND
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Ono R, Katsumata A, Fujikawa Y, Takahira E, Yamamoto T, Kanamura N. Sex differences and age-related changes in the mandibular alveolar bone mineral density using a computer-aided measurement system for intraoral radiography. Sci Rep 2024; 14:7386. [PMID: 38548856 PMCID: PMC10979020 DOI: 10.1038/s41598-024-57805-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 03/21/2024] [Indexed: 04/01/2024] Open
Abstract
This study aimed to conduct a cross-sectional data analysis of the alveolar bone mineral density (al-BMD) in 225 patients of various ages and different sexes. The al-BMD value in the mandibular incisor region was calculated using a computer-aided measurement system (DentalSCOPE) for intraoral radiography. All participants with intact teeth (101 males and 124 females; age range, 25-89 years) were divided into three age-segregated groups (25-49, 50-74, and > 75 years). Statistical differences were evaluated using the Mann-Whitney U or Kruskal-Wallis test. Males exhibited significantly greater al-BMD than females (p < 0.001). The highest means were observed in the 25-49 age group, regardless of sex (1007.90 mg/cm2 in males, 910.90 mg/cm2 in females). A 9.8% decrease in al-BMD was observed with the increase in age in males (25-49 to 50-74 years; p = 0.004); however, no further changes were seen thereafter. In females, a decreasing trend was seen throughout the lifespan, with values reaching up to 76.0% of the initial peak value (p < 0.001). Similar to other skeletal sites, the alveolar bone exhibits sex differences and undergoes a reduction in BMD via the normal aging process.
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Affiliation(s)
- Ryutaro Ono
- Department of Dental Medicine, Graduate School of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan.
- Department of Oral and Maxillofacial Surgery, North Medical Center, Kyoto Prefectural University of Medicine, Kyoto, Japan.
| | - Akitoshi Katsumata
- Department of Oral Radiology, Asahi University School of Dentistry, Gifu, Japan
| | - Yumi Fujikawa
- Department of Dental Medicine, Graduate School of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
- Department of Oral and Maxillofacial Surgery, North Medical Center, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Emi Takahira
- Department of Dental Medicine, Graduate School of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
- Department of Oral and Maxillofacial Surgery, North Medical Center, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Toshiro Yamamoto
- Department of Dental Medicine, Graduate School of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Narisato Kanamura
- Department of Dental Medicine, Graduate School of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
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Xiao Y, Lv L, Xu Z, Zhou L, Lin Y, Lin Y, Guo J, Chen J, Ou Y, Lin L, Wu D. Correlation between peri-implant bone mineral density and primary implant stability based on artificial intelligence classification. Sci Rep 2024; 14:3009. [PMID: 38321110 PMCID: PMC10847140 DOI: 10.1038/s41598-024-52930-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Accepted: 01/25/2024] [Indexed: 02/08/2024] Open
Abstract
Currently, the classification of bone mineral density (BMD) in many research studies remains rather broad, often neglecting localized changes in BMD. This study aims to explore the correlation between peri-implant BMD and primary implant stability using a new artificial intelligence (AI)-based BMD grading system. 49 patients who received dental implant treatment at the Affiliated Hospital of Stomatology of Fujian Medical University were included. Recorded the implant stability quotient (ISQ) after implantation and the insertion torque value (ITV). A new AI-based BMD grading system was used to obtain the distribution of BMD in implant site, and the bone mineral density coefficients (BMDC) of the coronal, middle, apical, and total of the 1 mm site outside the implant were calculated by model overlap and image overlap technology. Our objective was to investigate the relationship between primary implant stability and BMDC values obtained from the new AI-based BMD grading system. There was a significant positive correlation between BMDC and ISQ value in the coronal, middle, and total of the implant (P < 0.05). However, there was no significant correlation between BMDC and ISQ values in the apical (P > 0.05). Furthermore, BMDC was notably higher at implant sites with greater ITV (P < 0.05). BMDC calculated from the new AI-based BMD grading system could more accurately present the BMD distribution in the intended implant site, thereby providing a dependable benchmark for predicting primary implant stability.
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Affiliation(s)
- Yanjun Xiao
- School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350001, China
| | - Lingfeng Lv
- Fujian Provincial Engineering Research Center of Oral Biomaterial, Fujian Medical University, Fuzhou, 350001, China
| | - Zonghe Xu
- School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350001, China
| | - Lin Zhou
- School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350001, China
| | - Yanjun Lin
- Fujian Provincial Engineering Research Center of Oral Biomaterial, Fujian Medical University, Fuzhou, 350001, China
| | - Yue Lin
- Newland Digital Technology Co., Ltd., Fuzhou, Fujian, China
| | - Jianbin Guo
- Fujian Provincial Engineering Research Center of Oral Biomaterial, Fujian Medical University, Fuzhou, 350001, China
| | - Jiang Chen
- School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350001, China
| | - Yanjing Ou
- School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350001, China
| | - Lin Lin
- Newland Digital Technology Co., Ltd., Fuzhou, Fujian, China
| | - Dong Wu
- School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350001, China.
- Research Center of Dental and Craniofacial Implants, Fujian Medical University, Fuzhou, 350001, China.
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Lintz F, Bernasconi A, Buedts K, Welck M, Ellis S, de Cesar Netto C. Ankle Joint Bone Density Distribution Correlates with Overall 3-Dimensional Foot and Ankle Alignment. J Bone Joint Surg Am 2023; 105:1801-1811. [PMID: 37616414 DOI: 10.2106/jbjs.23.00180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/26/2023]
Abstract
BACKGROUND Altered stress distribution in the lower limb may impact bone mineral density (BMD) in the ankle bones. The purpose of the present study was to evaluate the spatial distribution of BMD with use of weight-bearing cone-beam computed tomography (WBCT). Our hypothesis was that BMD distribution would be even in normal hindfeet, increased medially in varus hindfeet, and increased laterally in valgus hindfeet. METHODS In this study, 27 normally aligned hindfeet were retrospectively compared with 27 valgus and 27 varus-aligned hindfeet. Age (p = 0.967), body mass index (p = 0.669), sex (p = 0.820), and side (p = 0.708) were similar in the 3 groups. Hindfoot alignment was quantified on the basis of WBCT data sets with use of multiple measurements. BMD was calculated with use of the mean Hounsfield unit (HU) value as a surrogate. The HU medial-to-lateral ratio (HUR), calculated from tibial and talar medial and lateral half-volumes, was the primary outcome of the study. RESULTS The 3 groups significantly differed (p < 0.001) in terms of tibial HUR (median, 0.91 [interquartile range (IQR), 0.75 to 0.98] in valgus hindfeet, 1 [IQR, 0.94 to 1.05] in normal hindfeet, and 1.04 [IQR, 0.99 to 1.1] in varus hindfeet) and talar HUR (0.74 [IQR, 0.50 to 0.80] in valgus hindfeet, 0.82 [IQR, 0.76 to 0.87] in normal hindfeet, and 0.92 [IQR, 0.86 to 1.05] in varus hindfeet). Linear regression showed that all hindfoot measurements significantly correlated with tibial and talar HUR (p < 0.001 for all). The mean HU values for normally-aligned hindfeet were 495.2 ± 110 (medial tibia), 495.6 ± 108.1 (lateral tibia), 368.9 ± 80.3 (medial talus), 448.2 ± 90.6 (lateral talus), and 686.7 ± 120.4 (fibula). The mean HU value for each compartment was not significantly different across groups. CONCLUSIONS Hindfoot alignment and medial-to-lateral BMD distribution were correlated. In varus hindfeet, an increased HU medial-to-lateral ratio was consistent with a greater medial bone density in the tibia and talus as compared with the lateral parts of these bones. In valgus hindfeet, a decreased ratio suggested greater bone density in the lateral as compared with the medial parts of both the tibia and the talus. LEVEL OF EVIDENCE Prognostic Level III . See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- François Lintz
- Department of Foot and Ankle Surgery, Clinique de l'Union, Ramsay Healthcare, Saint Jean, France
| | - Alessio Bernasconi
- Trauma and Orthopaedics Unit, Department of Public Health, University of Naples Federico II, Naples, Italy
| | | | - Matthew Welck
- Royal National Orthopaedic Hospital, London, United Kingdom
| | - Scott Ellis
- The Hospital for Special Surgery, Weill Cornell Medical College, New York, NY
| | - Cesar de Cesar Netto
- Department of Orthopaedics and Rehabilitation, University of Iowa, Iowa City, Iowa
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Aldahlawi S, Nourah DM, Azab RY, Binyaseen JA, Alsehli EA, Zamzami HF, Bukhari OM. Cone-Beam Computed Tomography (CBCT)-Based Assessment of the Alveolar Bone Anatomy of the Maxillary and Mandibular Molars: Implication for Immediate Implant Placement. Cureus 2023; 15:e41608. [PMID: 37565092 PMCID: PMC10409627 DOI: 10.7759/cureus.41608] [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] [Accepted: 07/09/2023] [Indexed: 08/12/2023] Open
Abstract
Purpose This study aims to examine specific aspects of socket morphology, including buccal and palatal/lingual bone width, interradicular bone (IRB) width, and assessments of root apices and furcation proximity to the vital structures of the maxillary and mandibular first and second molars using cone-beam computed tomography (CBCT). Materials and methods The study involved the analysis of 400 maxillary and mandibular first and second molars. Various measurements were taken to assess socket morphology, including mesiodistal (MD) and buccolingual (BL) width, buccal and lingual bone thickness at 2 mm apical to the alveolar crest, IRB width at 2 mm from the furcation, and the distance between the root apices and furcation to vital structures, such as the floor of the maxillary sinus (FMS) and inferior alveolar nerve (IAN). Results The mesiobuccal (MB) root of the second molar commonly intruded into the sinus, followed by the palatal root of the maxillary first molar. The mean FMS-F distance was 7.17 + 3.98 mm, and it was 7.2 + 2.72 mm for maxillary first and second molars, respectively. The mean IRB width was 2.77 + 0.96 and 2.29 + 0.74 mm for the first and second molars. The mandibular second molar had the shortest distance to the IAN in comparison to the first molar. For maxillary teeth, 7% of the first and 4% of the second molars presented alveolar anatomy adequate for immediate implant placement, compared to 84% and 50% of mandibular first and second molars. Conclusion Understanding the local alveolar bone anatomy of molars and its relationship to vital structures is crucial for the effective planning of implant treatments.
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Rai S, Misra D, Misra A, Tomar H, Dhawan A, Gupta R. Reliability of Grayscale Value for Bone Density Determination in Oral Rehabilitation using Dental Implants. Int J Appl Basic Med Res 2023; 13:143-148. [PMID: 38023594 PMCID: PMC10666835 DOI: 10.4103/ijabmr.ijabmr_3_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 07/14/2023] [Accepted: 07/28/2023] [Indexed: 12/01/2023] Open
Abstract
Introduction Quality and quantity of jaw bones have been previously classified in literature using different methods. Imaging modalities such as computed tomography (CT), successfully determine bone density of jaws. This study aims to establish the role of cone-beam CT (CBCT) in determining the density of cortical and cancellous bones at different jaw sites. Materials and Methods Eighty-three possible implant sites in healthy patients were evaluated using NewTomGiano CBCT machine. Cross-sections were obtained and cortical and cancellous bone densities on different aspects of the virtual implant in terms of Hounsfield unit (HU) were determined using New Net Technologies software version 6.1 and were classified according to software from D1 to D4. Data were entered into SPSS software (version 19.0) and were statistically analyzed. Results The mean HU showed the highest value for cortical and cancellous in the anterior mandible (mean HU 1874.01 and 1131.73, respectively) followed by the posterior mandible (mean HU 1789.20 and 872.95, respectively) and least in posterior maxilla (mean HU 1068.26 and 830.04, respectively). Maximum D1 bone type was found in cortical bone and D2 bone type was noted in cancellous bone area. Males showed very highly significant cortical bone thickness (P < 0.001) whereas females showed more cancellous bone thickness but the results were nonsignificant. Conclusion A high degree of concordance between different regions of jaw bones with a strong correlation between the four bone types was obtained. Bone density plays a pivotal role in determining the prognosis of the implant. CBCT has proven to be beneficial in bone density analysis.
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Affiliation(s)
- Shalu Rai
- Department of Oral Medicine and Radiology, Institute of Dental Studies and Technologies, Ghaziabad, Uttar Pradesh, India
| | - Deepankar Misra
- Department of Oral Medicine and Radiology, Institute of Dental Studies and Technologies, Ghaziabad, Uttar Pradesh, India
| | - Akansha Misra
- Department of Oral Pathology, Institute of Dental Studies and Technologies, Ghaziabad, Uttar Pradesh, India
| | - Himanshi Tomar
- Department of Oral Medicine and Radiology, Institute of Dental Studies and Technologies, Ghaziabad, Uttar Pradesh, India
| | - Ayush Dhawan
- Department of Oral Medicine and Radiology, Institute of Dental Studies and Technologies, Ghaziabad, Uttar Pradesh, India
| | - Rohit Gupta
- Department of Oral Medicine and Radiology, Institute of Dental Studies and Technologies, Ghaziabad, Uttar Pradesh, India
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Fu PS, Lan TH, Lai PL, Chen CH, Chen JH, Wang JC, Liu CT, Chen WC, Hung CC. Implant stability and marginal bone level changes: A 2-year prospective pilot study. J Dent Sci 2023. [DOI: 10.1016/j.jds.2023.02.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023] Open
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Mikic M, Vlahovic Z, Stevanović M, Arsic Z, Mladenovic R. The Importance of Correlation between CBCT Analysis of Bone Density and Primary Stability When Choosing the Design of Dental Implants—Ex Vivo Study. Tomography 2022; 8:1293-1306. [PMID: 35645393 PMCID: PMC9149886 DOI: 10.3390/tomography8030107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/07/2022] [Accepted: 05/09/2022] [Indexed: 12/03/2022] Open
Abstract
This study aims to determine the correlation between the mean value of bone density measured on the CBCT device and the primary stability of dental implants determined by resonant frequency analysis. An experimental study was conducted on a material of animal origin: bovine femur and pig ribs. Two types of implants were used in this study: self-tapping and non-self-tapping of the same dimensions. Results of the experimental study showed a statistically significant correlation between bone density expressed in HU units and the primary stability of self-tapping and non-self- tapping dental implants expressed in ISQ units in bovine femur bones and self-tapping implants and pig rib bones. There was no statistically significant correlation between non-self-tapping dental implants in pig rib bones. Self-tapping and non-self-tapping implants did not show statistical significance in the primary stability in bones of different qualities. The analysis of bone density from CBCT images in the software of the apparatus expressed in HU units can be used to predict the degree of primary stability of self-tapping and non-self-tapping dental implants in bones of densities D1 and D2, and self-tapping dental implants in bones of the lower quality D4.
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Affiliation(s)
- Mirko Mikic
- Department of Dentistry, Faculty of Medicine, University of Montenegro, 81000 Podgorica, Montenegro
| | - Zoran Vlahovic
- Department of Dentistry, Faculty of Medicine, University of Pristina, 38220 Kosovska Mitrovica, Serbia
| | - Momir Stevanović
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Zoran Arsic
- Department of Dentistry, Faculty of Medicine, University of Pristina, 38220 Kosovska Mitrovica, Serbia
| | - Rasa Mladenovic
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
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