Non-Surgical Periodontal Therapy 1 PDF Past Paper (21/05/2021)

21/05/2021 Non-Surgical Periodontal Therapy 1 1 Intended Learning Outcomes By the end of this session students should be able to: ▪ Revise steps to commence a good clinical periodontal session ▪ Explain the rationale of for having a fulcrum ▪ Recognise features...

21/05/2021 Non-Surgical Periodontal Therapy 1 1 Intended Learning Outcomes By the end of this session students should be able to: ▪ Revise steps to commence a good clinical periodontal session ▪ Explain the rationale of for having a fulcrum ▪ Recognise features and demonstrate intro & extra oral fulcrums ▪ Identify & demonstrate the appropriate working end using the lower terminal shank ▪ Explain the appropriate usage and situation where different types of instrumentation motion may be undertaken ▪ Demonstrate usage of instrumentation motions 2 2 1  21/05/2021 Recap 3 3 4 4 2  21/05/2021 Instruments 5 5 Stability & Safety ▪ Fulcrum ▪ Finger-rest 1. Intra-oral 2. Extra-oral 6 6 3  21/05/2021 Fulcrum ▪ Support beam of hand ▪ Safety for you ▪ Safety for patient ▪ Allows for hand movement ▪ Allows for precise movement 7 7 Finger Rests ▪ What are the ideal features of a ‘finger rest’? ▪ So what are/is the ideal structure/s? 8 8 4  21/05/2021 Intra-oral Fulcrum ▪ Stabilisation of clinician dominant hand inside the mouth ▪ Place pad of the pad of ring finger near tooth being instrumented ▪ Decreases likelihood of injury for both patient & clinician ▪ Incisial edge or occlusal surface ▪ Occlusobuccal or occulsolingual angle of a STABLE tooth near the tooth being treated 9 9 Extra-oral Fulcrum ▪ Stabilisation of clinician dominant & non- dominant hand outside the mouth ▪ Usually on cheek or chin ▪ Can you think of any risks? 10 10 5  21/05/2021 Which end do I use? 11 11 Instrument Ergonomics action Instruments Grip Detection 12 12 6  21/05/2021 Lower terminal shank Bent section of shank nearest working end 13 13 Adaptation – starting position Ensures you cover the whole Think lower terminal shank tooth surface parallel with midline plane Atraumatic Use correct aspect of your instrument 14 14 7  21/05/2021 Start midpoint – the move but look closer 15 15 Which end do I use? 16 16 8  21/05/2021 17 17 18 18 9  21/05/2021 19 19 20 20 10  21/05/2021 Motion 21 21 4 motion components Wrist motion activation Pivot Digital motion activation Handle roll 22 22 11  21/05/2021 Digital motion activation When? Why? 23 23 Wrist motion activation When? Why? 24 24 12  21/05/2021 Handle Roll When? Why? 25 25 Look closely and piece it together Where is the white Wrist dust coming Roll (1mm) off? Wrist Where is the tip? Roll (1mm) Where is the shank? 26 26 13  21/05/2021 27 27 14