Interceptive orthodontics /fixed orthodontic courses by IDA

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The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats. Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics, Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call 0091-9248678078

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Interceptive orthodontics:

Interceptive orthodontics www.indiandentalacademy.com INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.com

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“Preventive & interceptive orthodontics” as a description of orthodontic treatment in children, is largely devoid of meaning in an era when treatment for a preadolescent child usually is followed by comprehensive treatment in the early permanent dentition. www.indiandentalacademy.com

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The problem with this description, it encourages inappropriate expectations from this treatment, implying that if the right treatment were done at an early age, no further treatment would be needed. www.indiandentalacademy.com

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Prevention of malocclusion is possible only in a few special circumstances. Interceptive treatment can be very helpful in reducing the severity of problems but rarely is so successful that later treatment becomes unnecessary. www.indiandentalacademy.com

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Current concept is that most children who have orthodontic treatment in the preadolescent years will require a second stage of treatment after their succedaneous teeth erupt. www.indiandentalacademy.com

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The goals of the treatment must be clearly outlined and understood. “Burned out” www.indiandentalacademy.com

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DEVELOPMENT DIFFERENTATION & MATURATION Differential growth Compensatory growth Growth Increase in size &mass Growth timing Adaptation &plasticity www.indiandentalacademy.com

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PHV www.indiandentalacademy.com

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Problems in treating at mixed dentition period:

Problems in treating at mixed dentition period Design of the spring Eruption of the teeth? www.indiandentalacademy.com

Problems :

Problems Space deficiency problems Due to molar shift Localized space loss Generalized space loss Serial extraction www.indiandentalacademy.com

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Excess space Large maxillary midline diastema Generalized spacing with protrusion Missing permanent teeth www.indiandentalacademy.com

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Eruptions problems Supernumerary teeth Managing sequelae of delayed eruption www.indiandentalacademy.com

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Cross bites Posterior Anterior Traumatic displacement of teeth www.indiandentalacademy.com

Space deficiency:

Space deficiency Management of incisor crowding Incisor irregularity in mixed dentition due to the transitional incisor crowding… LEEWAY SPACE …. Can prevent crowding … “E” space.( primary second molar & second premolar) www.indiandentalacademy.com

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Fig 15 www.indiandentalacademy.com

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A lip bumper also can be used in lower arch to maintain the position of the molars or perhaps tip them slightly distally, while removing lip pressure and allowing the incisors to move facially. www.indiandentalacademy.com

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Space is created in this way, the incisors often align spontaneously if the irregularity is from faciolingual tipping, but rotations less likely to resolve. “Strap up” Alignment root position should be proper www.indiandentalacademy.com

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Anterior intra arch asymmetry:

Anterior intra arch asymmetry To be addressed in the mixed dentition Shift of dental midline to one side because of the premature loss of tooth www.indiandentalacademy.com

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Mildest form of asymmetry is a significant but small ( 2mm ).. Can be corrected by means of orthodontic movement www.indiandentalacademy.com

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Correction of molar relationship:

Correction of molar relationship Molars are not allowed to shift forward into the leeway space ( since space maintainer ) It might in end – end molar relationship Remember ? Lower molar Upper molar www.indiandentalacademy.com

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Fig 10 www.indiandentalacademy.com

Headgear :

Headgear Upper molars distally – either bodily or distally 14 – 16 hrs per day 100gms of force www.indiandentalacademy.com

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Fig 14.13 www.indiandentalacademy.com

Intra arch appliance:

Intra arch appliance Molar rotation Mesiolingual rotation of maxillary molars Caries Space loss - extraction www.indiandentalacademy.com

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Severe localized space loss >3 mm:

Severe localized space loss >3 mm Exceeds 3 mm can be dealt with removable appliance or a fixed appliance Extract a tooth or regain the space Cost / benefit ratio Second phase of treatment www.indiandentalacademy.com

Maxillary space regaining:

Maxillary space regaining Extraction Asymmetric face bow Atypical extraction www.indiandentalacademy.com

Mandibular space regaining:

Mandibular space regaining Difficult forcing the incisors labially Fixed appliance www.indiandentalacademy.com

Space generalized > 4 mm:

Space generalized > 4 mm Severe crowding is obvious even before a space analysis can be completed. Very little developmental spacing Two major symptoms of severe crowding Irregularity of incisors Early loss of primary canine – lateral incisor. www.indiandentalacademy.com

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Extraction Expansion Stability? www.indiandentalacademy.com

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14.19 www.indiandentalacademy.com

Very severe crowding / serial extraction?:

Very severe crowding / serial extraction? In many children with severe crowding, a decision can be made during the early mixed dentition that expansion is fruitless and that permanent teeth will have to be extracted. www.indiandentalacademy.com

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A planned sequence of tooth removal can reduce crowding and irregularity during the transition from the primary to the permanent dentition. It will allow the teeth to erupt over the alvelous and through kertinized tissue, rather than displaced bucally or lingually. This sequence, often termed “SERIAL EXTRACTION”. Timely removal – avoiding the phase II treatment? www.indiandentalacademy.com

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Greater than 10mm Bite deeping? www.indiandentalacademy.com

Excess space:

Excess space Large midline diastema Range of diastema www.indiandentalacademy.com

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Fig 14.23 www.indiandentalacademy.com

Missing permanent teeth:

Missing permanent teeth Butler field theory www.indiandentalacademy.com

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Eruption problems:

Eruption problems Supernumerary teeth What complications www.indiandentalacademy.com

Managing the sequela of delayed eruption:

Managing the sequela of delayed eruption Delayed incisors www.indiandentalacademy.com

Cross bite of dental origin:

Cross bite of dental origin Anterior cross bite Posterior cross bite www.indiandentalacademy.com

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14.37 www.indiandentalacademy.com

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Deep bite:

Deep bite How to correct www.indiandentalacademy.com

Traumatic displacement:

Traumatic displacement www.indiandentalacademy.com

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NK19 / F PRETREATMENT DEPT. OFORTHODONTICS & DENTOFACIAL ORTHOPEDICS, BAPUJI DENTAL COLLEGE & HOSPITAL, DAVANGERE. www.indiandentalacademy.com

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NK19 / F PRETREATMENT www.indiandentalacademy.com

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NK 19 / F PRETREATMENT www.indiandentalacademy.com

NK 19 / F PRETREATMENT :

NK 19 / F PRETREATMENT www.indiandentalacademy.com

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DISTALIZATION WITH PENDULUM APPLIANCE www.indiandentalacademy.com

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INITIAL FIXATION WITH NITI www.indiandentalacademy.com

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SURGICAL EXPOSURE OF CANINE www.indiandentalacademy.com

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K. K 18 / M www.indiandentalacademy.com

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PRE TREATMENT OPG www.indiandentalacademy.com

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PRE TREATMENT POST TREATMENT www.indiandentalacademy.com

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PRE TREATMENT POST TREATMENT www.indiandentalacademy.com

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A man who works with his hand is a labour A man who works with his hand & mind is a artist A man who works with his hand, mind & heart is a orthodontist!! www.indiandentalacademy.com

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THANK YOU www.indiandentalacademy.com

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