Serial Extraction Powerpoint Presentations
Presentation Summary: The most common procedure in this context is SERIAL EXTRACTIONS. Severe class II/III of dental or skeletal origin. Serial extraction. Download Presentation PowerPoint Slideshow about 'Serial extraction.' - fred Download Now An Image/Link below is provided (as is) to download presentation. The term serial extraction describes an orthodontic treatment procedure that involves the orderly removal of selected. PowerPoint Tips Weekly. Online Course. As the basic unit of a PowerPoint presentation, a slide can hold images, text, charts and other types of information. Global Broadcast System Technical Manual. Sometimes you may need to make a copy of a slide.
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Serial extraction • 1. SERIAL EXTRACTION • INTRODUCTION HISTORY RATIONALE INDICATIONS CONTRAINDICATIONS ADVANTAGES DISADVANTAGES DIAGNOSITC PROCEDURE PROBLEMS IN SERIAL EXTRACTION • INTRODUCTION: Serial Extraction is an interceptive orthodontic procedure usually initiated in the early mixed dentition. It is a procedure that includes the planned extraction of certain deciduous teeth & later specific permenent teeth in an orderly sequence & pre-determined pattern to guide the erupting permenent teeth into a more favourable position.
• HISTORY:- Kjellgren (1929) used the term “ Serial extraction” to describe a procedure where some deciduous teeth followed by permenent teeth were extracted to guide the rest of the teeth into normal occlusion. Crack Sony Acid Pro 9 on this page. Nance during 1940’s popularized this technique in united states of AMERICA, termed it “planned & progressive extraction” & has been called the ‘father’ of Serial extraction philosophy in united states. Hotz in 1970 called such a procedure “active supervision” of teeth by extraction. • Serial extraction is based on 2 basic principles:- Physiologic tooth movement RATIONALE:- Arch Length tooth material discrepancy: Whenever there is an excess of tooth material as compared to the arch length a selective extraction of some teeth is done so that rest of the teeth can be guided to normal occlusion. Human dentition shows a physiologic tendency to move towards an extraction space.
Thus by selective removal of some teeth the rest of the teeth which are in the process of eruption are guided by the natural forces into the extraction spaces. • INDICATIONS FOR SERIAL EXTRACTION Class I malocclusion showing harmony between skeletal & muscular system. Arch length deficiency as compared to the tooth material is the most imp. Indication for serial extraction. • Absence of physiologic spacing Unilateral or bilateral premature loss of deciduous canines with midline shift.
Malpositioned or impacted lateral incisors. Irregular or crowded upper & lower incisors. Localized gingival recession in the lower ant region Ectopic eruption of teeth. Mesial migration of buccal segment. Arch length deficiency is indicated by the presence of 1 or more of the following features:- • Abnormal eruption pattern & sequence. Lower anterior flaring.