My first Magazine | Page 94

Table 2 . Suggested treatment protocol for dental malocclusion
Suggested Treatment Protocol
Non extraction : stripping , expansion , derotation , uprighting or distalisation Extraction :
CLASSIFICATION Class I malocclusion OF SKELETAL U / L 4s , U AND / L 5s , U / L DENTAL 6s , U / L 7s or a MALOCCLUSION symmetric extraction e . g . right : REVISITED
U / L 4s + left U / L 5s , U / L 6s + U / L 4s or 5s , single tooth extraction .
Class II malocclusion
Class III malocclusion
Type 1
Type 2a
Type 2b
Type 1
Type 2
Type 3a
Type 3b
Non extraction : Distalisation with headgear
Extraction : 4s , ( U 4s + L 5s ), ( U / L 6s ), ( U / L 7s ) or a symmetric extraction e . g . ( right U / L 4s + left U / L
5s ), ( U / L 6s + U / L 4s or 5s ). or a single U4 .
Always advise non extraction treatment using a headgear + Nudger or an intra-oral distalizer . If crowding is to be relieved by extraction , then it is advisable to extract the 2 nd premolar than the 1 st premolar because of difficulty of space closure . Transfer the case to CL II / 1 and treat accordingly .
Headgear + Nudger Orthognathic surgery treatment ( proclined upper anteriors and retroclined lower anteriorsdecompensation : plan for surgery )
Camouflage with stripping lower arch and proclining upper teeth . Expansion of upper arch ± fixed appliance therapy .
Expansion of upper arch ± fixed appliance therapy with CL III elastics . Extraction of lower 1 st premolars and upper 2 nd premolars + U / L fixed orthodontic therapy with CL III elastics . Expansion of upper arch + extraction of a single lower central incisor + U / L fixed orthodontic therapy with CL III elastics .
Expansion of upper arch ± fixed appliance therapy with CL III elastics . Extraction of lower 1 st premolars and upper 2 nd premolars + U / L fixed Orthodontic therapy with CL III elastics . Expansion of upper arch + extraction of a single lower central incisor + U / L fixed orthodontic therapy with CL III elastics .
Expansion of upper arch ± fixed Orthodontic therapy . Extraction of lower 1 st premolars and upper 2 nd premolars + U / L fixed Orthodontic therapy . Expansion of upper arch + extraction of a single lower central incisor + U / L fixed Orthodontic therapy with CL III elastics .
5 . Conclusion Incisor , canine and molar classification should always be used accurately to diagnose and to plan the final occlusion . A final class I incisor and canine relationship at the end of treatment is always the aim so to provide long term stability while molar relationship could be class I , II ( full unit ) or III relationship .
The author recommends further study on methods of classification and establishing orthodontic treatments ’ protocols .
Acknowledgments The author declare no conflict of interest related to this study . There are no conflicts of interest and no financial interests to be disclosed .
REFERENCES
1 . Simon PW . Grundzüge einer systematischen Diagnostik der Gebiss- Anomalien . Berlin : Hermann Meusser ; 1922 . 2 . Salzmann JA . Practice of orthodontics . Philadelphia : J . B . Lippincott Company ; 1966 . 3 . Angle EH . Classification of malocclusion . Dental Cosmos . 1899 ; 41 ( 3 ): 248-264 . 4 . Dewey M . Classification of malocclusion . Int J Orthod . 1915 ; 1 ( 3 ): 133-147 . 5 . Lischer BE . Principles and Methods of Orthodontics . Philadelphia : Lea and Febiger ; 1912 . 6 . Ackerman JL , Proffit WR . The characteristics of malocclusion : a modern approach to classification and diagnosis . Am J Orthod . 1969 ; 56 ( 5 ): 443-454 . 7 . Katz MI , Sinkford JC , Sanders CF Jr . The 100-year dilemma : what is a normal occlusion , and how is malocclusion classified ? Quintessence Int . 1990 ; 21 ( 5 ): 407-414 . 8 . Hans MG , Broadbent BH Jr , Nelson SS . The Broadbent-Bolton Study--past , present and future . Am J Orthod Dentofacial Orthop . 1994 ; 105 ( 6 ): 598-603 . 9 . Baumrind S , Korn EL , Boyd RL , Maxwell R . The decision to extract : Part 1--Interclinician agreement . Am J Orthod Dentofacial Orthop .
1996 ; 109 ( 3 ): 297-309 . 10 . Katz MI . Angle classification revisited 1 : Is current use reliable ? Am J Orthod Dentofacial Orthop . 1992 ; 102 ( 2 ): 173-179 . 11 . Du SQ , Rinchuse DJ , Zullo TG , Rinchuse DJ . Reliability of three methods of occlusion classification . Am J Orthod Dentofacial Orthop . 1998 ; 113 ( 4 ): 463-470 . 12 . Brin I , Weinberger T , Ben-Chorin E . Classification of occlusion reconsidered . Eur J Orthod . 2000 ; 22 ( 2 ): 169-174 . 13 . Rinchuse DJ , Rinchuse DJ . Ambiguities of Angle ’ s classification . Angle Orthod . 1989 ; 59 ( 4 ): 295-298 . 14 . British Standards Institute . Glossary of Dental Terms ( BS 4492 ). London : BSI ; 1983 . 15 . Williams AC , Stephens CD . A modification to the incisor classification of malocclusion . Br J Orthod . 1992 ; 19 ( 2 ): 127-130 . 16 . Katz MI . Angle classification revisited 2 : a modified Angle classification . Am J Orthod Dentofacial Orthop . 1992 ; 102 ( 3 ): 277-284 . 17 . Snyder R , Jerrold L . Black , white , or gray : finding commonality on how orthodontists describe the areas between Angle ’ s molar classifications . Am J Orthod Dentofacial Orthop . 2007 ; 132 ( 3 ): 302-306 . 18 . Siegel MA . A matter of Class : interpreting subdivision in a malocclusion . Am J Orthod Dentofacial Orthop . 2002 ; 122 ( 6 ): 582-586 .

210 STOMA . EDUJ ( 2016 ) 3 ( 2 )