Alveolar Bone Slides - DTH24 PDF

In partnership with Alveolar Bone Jiann Khaw Tutor Dentist  To outline The clinical and Aim radiographic anatomy of alveolar bone 2 Learning Outcomes: At the end of this session, you should be able to: 1. Identify structure and function of alveolar b...

In partnership with Alveolar Bone Jiann Khaw Tutor Dentist  To outline The clinical and Aim radiographic anatomy of alveolar bone 2 Learning Outcomes: At the end of this session, you should be able to: 1. Identify structure and function of alveolar bone 2. Identify features of alveolar bone from healthy to disease 3. Recognise relevance of radiographic assessment in periodontal disease GDC Learning Outcome: 1.1.5, 1.2.5 C1.5, C1.17 3 Alveolar Bone Structure and Function MAORI WHALE BONE CLUB, KOTIATE PARAOA  Periodontium 1.Gingiva 2.Periodontal ligament 3.Cementum 4.Alveolar Bone Demineralised section of tooth in 5 situ. Source: Berkovitz et al. Development of alveolar bone Schematic diagrams of tooth development. AM: ameloblasts, BO: alveolar bone, DE: dentin, DP: dental pulp, DF: dental follicle, ED: embryonic day, EN: enamel and OD: odontoblasts. Diagram by Nakao & Tsuji (2008) 6 Structure Alveolar Bone / Process Only present where there is teeth Forms in relation to teeth 7  Structur e Basal Bone / Body of Maxilla Alveolar Bone Structurally similar and continuous with basal bone "File:624 Diagram of Compact Bone-new.jpg" by OpenStax College is licensed under CC BY 3.0 Longitudinal cross-section of Maxillary canine in alveolar bone. Source: Berkovitz et. al. 8 Structur e Subjected to 💡 continuous and rapid remodeling from tooth eruption and mastication Buccolingual sections through maxilla and mandible demonstrating distribution of alveolar bone in relation to roots of teeth. Source: Berkovitz et al. 9 Function Suppo rt Protecti on Attachm ent Shock absorber 10 Function Attachment – Sharpey’s fibres Histology slide showing Sharpey's fibres (horizontal lines) attachment in alveolar bone (A) forming periodontal ligament. Cementum (B). Source: Berkovitz et al. 11 Alveolar Bone Health to Disease Inuit Snow Goggle, Carved bone Healthy Height of Cemento-Enamel Junction (CEJ) to alveolar bone crest is between 1 to 2mm Image source: Lira-Junior & Figueredo Picture of maxillary anterior teeth with healthy gingivae. Source: Pocketdentistry.com 13 Disease: Periodontitis Image source: Lira-Junior & Figueredo Source: J. Khaw 14 Defect: Dehiscence Source: J. Khaw Mrzezo. (2015) Risk factors of gingival recession. Available at: https://pocketdentistry.com/9-mucogingival-grafting-procedures-an -overview / (Accessed: April 2021) 15 Defect: Fenestration Edney, M. (2000) Interesting presentation of a retained upper deciduous incisor with apical fenestration. Br Dent J 188, 369–370. Mrzezo. (2015) Risk factors of gingival recession. Available at: Available at: https://doi.org/10.1038/sj.bdj.4800483 (Accessed: https://pocketdentistry.com/9-mucogingival-grafting-procedures-an April 2021) -overview / (Accessed: April 2021) 16 Age changes to alveolar bone: Osteoporosis  bone loss (low density) Brittleness  decreased water content Sponge bone become thin trabecular, wide marrow spaces Source: J. Khaw 17 Alveolar Bone Radiographic appearance Damien Hirst Self Portrait Radiograph  Radiographic features Alveolar bone crest / Alveolar crest Insert or Drag and Drop Image Here Lamina dura Periodontal ligament space Cancellous bone / Spongy bone Image source: Dentist in Richmond webpage. 19 Radiographic features of alveolar bone in healthy state Alveolar crest Cemento- enamel Junction (CEJ) Alveolar crest Bitewing radiograph (left) Periapical radiograph 20 Radiographic features of alveolar bone in healthy state CEJ Alveolar crest "Dental X-ray" by icethim is licensed under CC BY 2.0 Dental Panoramic Tomography (DPT) or OrthoPantomoGraph 21 (OPG) Radiographic features of alveolar bone in disease state Calculus spur Widening of periodont al ligament space Loss of bone in furcatio n region Disease state Healthy 22 Radiographic features of alveolar bone in disease state x 23 Radiograp hic relevance of alveolar bone crest height in severity of Periodontit is 24 25 Radiograp hic relevance of alveolar bone crest height in severity of Periodontit is 26  y x 27 Structure and Features of Function health to disease Alveolar Bone Summary Relevance Radiographic in relevance Link to: Dentistry Diagnosis of Periodontitis Foundation of dental health Adaptation of diagram by S.Balian (2021) 28 Bibliography: 1. Berkovitz, BKB; Holland, GR & Moxham, BJ. (2018) Oral Anatomy, Histology and Embryology. 5th Edition. London: Elsevier. 2. British Society of Periodontology (2018) BSP flowchart implementing the 2017 classification of Periodontal Disease to reach diagnosis in clinical practice. London: British Society of Periodontology. Available at: https://www.bsperio.org.uk/assets/downloads/111_153050_bsp-flowchart-impleme nting-the-2017-classification.pdf (Accessed: 2 October 2024). 3. British Society of Periodontology. (2016) The Good Practitioner’s guide to Periodontology. London: BSP. Available at: https://www.bsperio.org.uk/assets/downloads/good_practitioners_guide_2016.pdf (Accessed: 2 October 2024). 4. Edney, M. (2000) Interesting presentation of a retained upper deciduous incisor with apical fenestration. Br Dent J, 188, pp. 369–370. DOI: 10.1038/sj.bdj.4800483 5. Nakao, K. and Tsuji, T. (2008) Dental regenerative therapy: Stem cell transplantation and bioengineered tooth replacement. Japanese Dental Science Review, 44 (1), pp. 70-75. DOI: 10.1016/j.jdsr.2007.11.001 29