Abstract
Pendulum appliance is one of intraoral appliances to distalize molars for correction of class II molar relationship or space gaining in the maxillary arch. Its major advantages are: no need to depend on patient compliance; ease of fabrication; and better patient acceptance. In this case, 22 years old female patient with class II division 2 malocclusion was treated with pendulum appliance for unilateral distalization of the maxillary molar teeth. Pendulum can distalize second molar until 4 mm in 4 months and continues to distalize first molar in 3 months. Nevertheless, relapse 2 mm happens during anterior retraction. This case has shown that pendulum is an effective and reliable appliance for distalizing maxillary molars. However, molar distalization is at the expense of moderate anchorage loss during anterior retraction, which could possibly be reduced if the anchor unit is adequately reinforced.
Highlights
Perawatanonodonsia pada kasus tanpa pencabutandengankebutuhanruanganmoderat(2-5 mm) dapatdiatasidenganprotmksi,r/ictn& ekspansl dan dislalisasi molar
November 2005dilakukar elraksdi anrcotpalataltorqLepa{la regio anterior- Pada rabang bawah dilakulGn distalisasgiigi dan
Padakasusini, penggunaapnendulummeng_ hasilkandistalisasimolar kedua 4mm s€lama[4] bulandandilanjutkanmolarP€rtamsaelama[3] bulan T€rjadi sedikit ekspansipada lengkungrahangatas
Summary
P €ndulum Pendulumadalah salah satu alar distalisasr molar intra oral yang t€rdii dari komponerlpatatat nancedenganrestsyaingdi-bondedpadaperm.ukaar. okfusalgigi premolarsenabrlaterulhelual gnng padabagianlingualgigi molarrahangatas(cambar l). P €ndulum Pendulumadalah salah satu alar distalisasr molar intra oral yang t€rdii dari komponerlpatatat nancedenganrestsyaingdi-bondedpadaperm.ukaar. Dan Cegole.rabapan pemwatanmaloklusi kelas ll divisi 2 adalah (iantba.l.DisainoriginaplenduluHmilgersldikutipda.j Hil8$s'). Prinsip kerja alat ini adatah dengan m€ngaklivasli/.irg sebesar+ 45o 55d untuk m€ndapatkangaya 200 g pada tjap sisi alar, sedangkanunaukmendapatkangaya 23O 250 g dilakukanakivasi seb€sa6r0"- 80".caya aktivasi tersebulyang akan mendoronggigi molar petama ke distrl. N,/,itllr?egeligi araske kanan 2nrm dalam arah sagital, yang sedng juga disebut dan midlinegeljgi bawahke kanan3nm. Padagerakanbuka studi yang dilakukanAngl€padamaloktusiketasIt tutupmulut terdapatdeviasimandibulake kanandan divisi 2 m€rnperlihatkanbahwa 70% dari sampel kiri. / I memundurkan lengkung gigi atas 2 mm serta perbaikanrnidline lenekunggigi atask€arahkiri 2 mm dan lengkunggigi bawahke arah kni 3 rnm, perbzikancuna spee 1,5 mm , terdapatkebutuhan ruanganpadarahangataskanatrsebesar[4] mm, kiri. Hubunganmolar kamn dan kiri tidak bha ditertukan, hubungan kaninus kanan Kelas nidline fthat\g aias
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