Curs 11 - Molar 2 Maxilar PDF
Document Details
Uploaded by CostSavingForethought5612
Tags
Summary
This is a study of the second upper molar. The document includes details about tooth shapes, dimensions, and locations. The information is useful for dentistry professionals and students.
Full Transcript
MORFOLOGIE DENTARA MOLARUL II MAXILAR MOLARUL II MAXILAR Eruptie aprox. 12 ani dp MOLAR 6 ANI Erupe dp. M 1 MAND. Asemanator M1 VOL mai mic MOLARUL II MAXILAR COROANA Forma CUBOIDALA Aplatizare M-D / 0 V-P > 0 M-D 4 fete LAT:V, M, P, D + 1 F. OCLUZALA MOLAR IIMAX coroana - fata v...
MORFOLOGIE DENTARA MOLARUL II MAXILAR MOLARUL II MAXILAR Eruptie aprox. 12 ani dp MOLAR 6 ANI Erupe dp. M 1 MAND. Asemanator M1 VOL mai mic MOLARUL II MAXILAR COROANA Forma CUBOIDALA Aplatizare M-D / 0 V-P > 0 M-D 4 fete LAT:V, M, P, D + 1 F. OCLUZALA MOLAR IIMAX coroana - fata vestibulara se INSCRIE intr-un PATRULATER = TRAPEZ baza MARE – OCL / baza MICA – CERV 4 margini: M, D, C, O– 2 brate M scurt+D lung mg. MEZIALA - mai lunga si mai plana, usor convexa mg. DISTALA - mai scurta si mai convexa ambele converg catre CERVICAL C D M MOLAR 1I MAX coroana - fata vestibulara Marginea cervicala Ln. aproape plana, usor curba – convexitatea apex ½ - ondulatie interardiculara – “acolada” Marginea ocluzala Forma lit “W” cu < rotunjite V mezial > V distal MOLAR 1I MAX coroana - fata vestibulara Relieful Convex sens M-D / O-C Convexit max sens C-O – 1/3 cervicala MOLAR 1I MAX coroana - fata vestibulara Relieful deasupra 1/3 ocl cei 2 lobi separ – sant ce se termina in FOSETA de DESCARCARE convexitatii maxime Santul centro-vestibular – foseta centrala – f. descarcare MOLAR II MAX coroana – fata palatinala se INSCRIE intr-un PATRULATER = TRAPEZ baza MARE – OCL / baza MICA – CERV 4 margini: M, D, C, O mg. MEZIALA - mai lunga si mai plana, usor convexa mg. DISTALA - mai scurta si mai convexa ambele converg catre CERVICAL C M D MOLAR 1 MAX coroana – fata palatinala Marginea cervicala Arc cerc – convexitatea apex ½ - ondulatie interardiculara – “acolada” NU – 1 RADACINA Marginea ocluzala Forma lit “W” cu < rotunjite V mezial > V distal MOLAR 1I MAX coroana – fata palatinala Relieful Convex sens M-D / O-C Convexit max sens C-O – 1/3 mijlocie Convexit max sens M-D – 1/3 MEZIALA MOLAR 1I MAX coroana – fata palatinala Relieful 1/3 ocl cei 2 lobi separ – sant ce se termina PIERDUT deasupra convexitatii maxime DISPROPORTIE ¾-1/4 Santul centro-vestibular – foseta distala – pierdut pe FP MULT Inconstant, pe c. MP – tuberculul dar MAI RAR MOLARUL II MAXILAR coroana - fata ocluzala FATA OCLUZLA Patrulater/paralelogram M-D < o V-P – aplatiz. M-D 4 margini Mg. M – mare + plana, usor convexa Mg. D – mica + convexa Mg. M+D converg palatinal MOLARUL II MAXILAR coroana - fata ocluzala FATA OCLUZLA Mg.V – lit W - V mez > V dist Mg. P – lit W – V mez (2/3) >> V distal Mg.V+P converg distal MOLARUL II MAXILAR coroana - fata ocluzala FATA OCLUZLA relief 4 cuspizi MP>MV>DV>DP c MP + cDV uniti prin CRESASTA OBLICA DE SMALT prez intrerupere CENTRALA MOLARUL II MAXILAR coroana - fata ocluzala 3 SANTURI MEZIOCENTRAL – f. centrala / f. meziala directie M-D / separa MV-MP CENTROVESTIBULAR – f. centrala / f. descarcare dir.V-P / separa MV-DV DISTOPALATINAL –f. distala / perdut F.P. (NU in foseta) 2 segm dir. M-D /sep DV-DP MV>DV MOLARUL II MAXILAR radacina 3 canale radiculare Apexurile R.V incl D Apexul R. P. incl V Separarea R. mai DEPARTE langa COLET PERIMETRU APEX < MOLARUL II MAXILAR caracteristici clinicotehnice VAL IMPLANTARE < M I POZITIE DISTALA - extr dificlia + trat endodontic dificil RAP RADICULAR cu SINUS MAXILAR < M 1 M II + m II - a II INALTARE DE OCLUZIE DEFINITIVA Lobi activi - P